496 stroker max rpm. As far as realistically, I'm with Rick.
496 stroker max rpm So the CNC ported 440 Source heads are more Output (max) – 565 ft lbs @ 3700 RPM 492 HP @ 5100 RPM What I learned: - 36 & 40 degrees dropped power - Smoothing the intake with an airflow tube added about 5-7 hp. 11 posi. While I am not a numbers guy, I don't want to break it either! If I have read notice the very flat impressive torque curve, either of these larger port oval port heads would be well matched on a 489-496 BBC engine designed for max torque below about 6200rpm, notice the torque peak at about I've never spun my 396 over 5000 rpm and don't plan on spinning the 496 very much higher. 385-inch-long rods for generous dwell time are the bones necessary to make a classic Chevelle, Camshaft for 496 stroker. 60 Over at 4. I just want a good strong powerful fast car that I can roast the tires down the block and run on pump gas. I'm looking at something I bought a 496 stroker kit from a TC member. 25” stroke with AFR 290 or 305 heads to a max of 6200 rpm. Hey guys, feel free to redirect me to a better place to post this but im looking for But I'm running Comp's 280H (similar rpm band to the XE-274,. The entire rotating assembly is forged. 68 Chevelle 138 car, 6. It pulls nearly 20 in/hg vacuum at 750 rpm at idle. 11's. Roller rockers from 440 source again. famous bob mopar misfit. It has 3. Jump to Latest 5. 0L 220: All: 4400-4800: 1. 5:1 or close to 10:1 pump gas - picked up some low hour Elderbrock O rpm heads 110cc ( had them gone over and checked) - picked up a elderbrock 800 avs carb - intake manifold rpm air gap I was going to go flat tappet cam as its a lower budget build, guy who sold me heads has a comp This 496 (454 0. I am thinking about putting a 3. It doesn't matter how much power you make at 6500 This is one of those not so text book cases where your top end speed should increase and your MAX RPM's should remain about the same. promodchevy Discussion starter. Edlebrock high rise single plain entake. 1 2. I do a Mark IV 4 bolt main, 454 bored . I will be running a turbo 400 trans. 68Chevele. With a 496 I would start considering rectangular ports heads AFR CNC 315 cc Intakes. Need smooth air entry - Cooling the engine ATK HP631PC Chevy 496 Stroker Complete Engine 600+ HP $ 11,599. 545 lift 110 degree lobe separation. hope to hear from other 496/8-71 folks! Thanks in advance for any good tips or advice. I am starting with a mark IV block with roughly 12. 10372 posts · Joined 2002 Add to quote; Only show this user #2 · 496 Crower hydraulic roller. Hello. Same as CT400 and lots of those out there. 41 I used the old school UD Harold 280/296 FT camshaft with 231/239 @ . eric866121 Discussion starter. All I'm saying is take that 112 cam ,close the int. Need even more horsepower and torque from your 8. Joined Aug 14, 2011 Messages 20,869 496 stroker build. I have a 3800 RPM 10" converter and 4. 67-468 · Premium Member. He really felt the 312 CC BB2 style was big enough, thought the 327 was too big and the Dragon slayer 320 with CNC chamber was in between. 1972 Camaro Drag Race Car Blown 496 Stroker: Menu: B-17 Camaro Home Page : Specifications : Build Data : Timing 41 ° total timing. 7K views 5 replies 5 participants last post by Old as Dirt Sep 14, 2015. UNCIVILIZED II CAR CLUB Discussion starter. 5 inch or 4. If you planned on drag racing it more often than street Running the dual-purpose 496 with the first of our two power-adders the nitrous-injected stroker produced 859 hp at 6,300 rpm and 769 lb-ft of torque at 5,700 rpm. This cam will produce over 600HP with a single plane and right at 600HP with an PHD Speedcenter has the 496 on a run stand for that initial fire-up to check vitals. I have built several car engines but this is my first marine. Heard and read a lot of good things about them for this BBC level. Indiansprings Discussion starter. Haven't dynoed it and likely will While on paper our Boulevard Bruiser ("Ground & Pound," October '09) seemed well at home in the upper rpm. I also know that I want a six speed manual transmission. 0 RPM oval intake and 750 carb, 1 3/4" headers it shows 437 HP @ 4500 and 575 Ft. Dec 17, You're about to make one of the most common mistakes made by rodders, choosing a cam without knowing the static compression ratio of the motor. I have There's no inherent reason a 496 should be done by 6200/6300. rs1968ss Discussion starter. What I need is several different suggestions on combos to make 600-650 hp on pump gas, not much higher Had a customer bring in a ‘67 chevelle with a 496 stroker for some work. Sort by 496 stroker bbc compression. New 2023 episode! Our Big Block Chevy gets ready for life inside a high-revving hot rod, with the addition of higher-flowing cylinder heads, a bigger intake This is the compiled footage of test 1 of my big block 496. Cars runs grate no vacuum advance hooked up. 75 inch stroker crankshaft kits turn your stock 496 into a 496 Stroker Crate Engine | Big Block Chevy 454 Style | Longblock | Aluminum Heads | Roller Cam | Power Adder Ready Stall Converter: 2000-2400 rpm. I have never blew up a Mopar Yet and have to plans to start! I am all so thinking of using my original 383 from the 68 Road Runner that I pulled out when I dropped in the 426. Fontaine4 Discussion starter 36 posts · Joined 2015 Add to quote; Only show this I will be installing a 496 stroker kit (Eagle) in my 454 and am wondering if a good set of ovals will flow enough to get me to the 550-575 (would looove to crack 600) crank hp range. I'm starting a 496" build and would like to know yall's opinion. D. 72GMC496Stroker Discussion starter. ( bore is 0. I typically add a bottle to a full tank bef This is the compiled footage of Max Rpm For K24/k20 Stock Head And Block? Jump to Latest 30K views 24 replies 17 participants last post by monchiy2k Jun 13, 2011. Both intakes were gasket matched to standard port size. BigRed77 Discussion starter. Your 350 Mag is rated 300 at RPM International offers different types of crankshafts — 4130/5140 Forged and 4340 Forged. With big Disregard piston speed, clearances round holes and plenty of oil where it needs to be. Joined Aug 20, 2019 Messages 12,784 Reaction score 14,574 Location Yakima Wa. The only In talking my build over with my engine builder and many other people, I'm planning on making mine live its life mainly around 7,000-7,500 RPM (mud racing). 81 Roller Rocker set up from Comp Purple shaft cam 106* centerline 68 Camaro SS - 468 BBC, 781 heads, RPM Air Gap intake, Lakewood bellhousing, M21, BO coded 12 bolt - but 3. I would like to drive it to the track and back (bracket racer) about 110 miles round trip. 9K views 18 replies 3 participants last post by Irezel Sep 28, 2017. 728@120. The NOS kit (2. For increased Big Horsepower at High RPM With Our Pump Gas 496 Stroker Big Block Chevy. 06 over, 0. I am new here at the forum. 275 40R17 mt drag radials 11. I only have a few miles on the new engine and no WOT spurts yet. 440 source aluminum heads with the upgraded valve springs and seats. tuneport Not only that but if your like me I just started out with a 496 781 heads and SFT cam max rpm 6000rpm. 550/. With some quality head work, a good cam and high performance exhaust, 496 Stroker with 871 Blower - Basics? Jump to Latest 21 - 40 of 83 Posts. I just wanted to compare mine to yours. 250 inches of stroke and 6. Or just get the new Patriots? I need a hydraulic roller cam, heads, and intake advice. I'm not a fan of the XE line) in a 496 with GM Performance Alum O-Ports, an RPM dual plane and an 800-DP, and 2-inch Hookers in a 69 with an Autogear Muncie, and 3. 30 gears. 1 (496). 600 and duration in the 245-260@ . QC Supreme Mariner. 8 efi intake and i was wondering what RPM can i I expect to do the 1/2 pickup and max rpm will be 6500 and more likely 6200-6300. 135" rod length and larger counter weights on the 6. SKU: HP631PC Categories: BBC IVE built at least a dozen 489-496 bbc strokers and the longer 6. I used BP 93 pump with some Lucas Oil octane booster. Joined Mar 8, 2004 · 935 Posts #21 · Feb 12, 2018. A closer look revealed a less-than satisfactory issue personally, if you never plan on putting the car in the 5000 rpm or above category, you can "street" that car with a 750 and not worry about fuel issues. This should be a torque beast. the heckler. The closer to 4800 the better. Im wanting to make 496 built more for low end torque and run on pump gas. 4. Anything past that and valve float becomes an issue. Used RPM Performer intake. I already know that I want it carbureted, no computer control at all. The car ran fantastic and had a great lumpy Mercruiser Bravo One* WOT RPM Range Chart; HP/Model Year Wide Open Throttle RPM Range* Gear Ratio; 5. This again done with the hyd roller and before 6400 rpm. even with the small cam its a real handfull. @ a whopping 2500 RPM's. My 454 had 990 rectangular port heads a s an 850 Street Demon carb and a M22. 1967 Chevelle SS396 408 BBC (370HP/440TQ) SMI 750 QJet TH400/3200 Stall 4:10 Gears 1/8th Mile Best times - 8. It made best power with the RPM air gap and 1" With 496 ci of displacement on hand coupled with 4. 55 727trans, power brakes I am going to build up a new 440 stroker and new some advertise My reasoning on this, the 496 has an aggressive mid range where I make loads of power. Hear it search Ripper Wrench Run on the dyno, the Brodix-headed 496 stroker produced peak numbers of 703 hp at 6,400 rpm and 623 lb-ft of torque at 5,200 rpm. 9K views 8 replies 6 participants last post by Racing 68 Mar 3, 2006. Nasty sounding camshaft we run solid lifters on. 1605 posts · Joined 2012 Add to quote; Only show this user #1 · Apr 22, 2013. Nov 30, 2020 #1 Warrenavenue Active Member. If you go to 440 Source, for example, there are two stroker kits for the 383. Raising rpm limites in the PCM 555 is going to do nothing period for you if you can not even get to max rpms to begin with. What would 496 Stroker Build. 70SSTHUMPER. I. 600-. Thread starter Pontus; Start date Sep 5, 2017; Sep 5, 2017 #1 P. Looking for low 11's. and a large cam will make this not exactly super street friendly, but it is just to have some fun and get the car on the street, future wants are a 496 stroker, so until then, this is what I got. 73 = new tires every month, and your probably right, and maybe I'm being to hasty by just wanting to stuff a ginormous engine in this car. 42's Plan on 7500 rpm 28" x10. They were worked on by previous people (comment on that later). 73 Heads- Between port polished 781 w/valves or Pro comp 300cc Cam- 402a7lun or something that gets suggested better This is going into a 4 speed 71 camaro by Carb Suggestions 496 Stroker. Mike, I`d lower the compression down to 9. I have never done any investigation on pushrods, but I'll do a little research to learn more about them. gen 6 454 roller block 496 stroker 305 dart top end setup looking at Raylar 511cid & 540cid Stroker Kits. Jump to Latest 8. Hopefully all had a safe but fun Labor day weekend! So I'm looking at buying a 4 bolt Gen V 454 from someone who has already had the machine work Big Block Chevys like rpm when they are built for it and it doesn't take much in money to build it so it lives at 8,000 rpm or a little higher. 385 rods. I have a question about the balancer, its a chrome plated one piece balancer. I was The sweet spot was found at 32 degrees, where the 496 big-block stroker belted out 709 hp at 6,700 rpm and 602 lb-ft of torque at 5,600 rpm! The torque curve, more of a plateau, Dyno'd with a 950hp and tried 3 different intakes and spacers, including a Victor, RPM air gap, and one other I don't remember. 385 Pistons-- KB flat top, compression with 119cc is 8. crazytaz. T. 23 posts · Joined 2011 Add to quote; Only show this user #1 · Mar 5, 2011. 1 compression with solid roller isky cam . 73 posi . 8 w/488's, certified flywheel, harmonic balance, scatter shield, etc In my case the sweet spot of If I understand the archives, looks like about 7000 rpm should be max for 454 with a piston speed of 4666 ft/min which is getting a bit high for a supposed "safe" range of 4000-4500 ft/min. 05 107 split 850 Quickfuel,Air gap intake, th400,12 bolt with richmond 373 gears. 1 2 of 5 My Stroked Ranger Motor happens to be built for high RPM, COMP Cams #249-35-803-9, Canfield Alum Heads, Modified 850 Holley, 5500 Stall, Trans Brake, Manual Reverse C4, 8. Its incredible how much power a BBC can make with a set of factory Cast Iron 049 oval port heads. 5000 = 723 cfm 5500 = 796 cfm 6000 = 868 cfm 6500 = 940 cfm 7000 = 1013 cfm Round up to next carb size from numbers provided. See less See OK, below are the more detail specs. But, that makes way too I have 496. I have never I have a 496 going into a 1964 impala. Combo is Gen 5 454 block, scat stroker kit, Edelbrock 6145 Performer RPM marine ovals, and Performer RPM airgap dual quad intake, (2) 500cfm 496 454 stroker bbc build. Living in sweden and have a gtx 70 440 with 8-3/4 3. carb from a 502/502 and electronic dist. ATK HP ENGINES WWW. I have a set of 781 oval ports or maybe buy some new patriot 320cc heads. 5:1 max if you`re running pump gas with iron heads. COM Custom Built Street-Strip-Racing Engines :thumbsup: Save Share Reply Quote Like. 250 10. 73 gear, 28 inch tall tire, 850 VS carb, Air Gap Intake, 320cc aluminum heads, Their description is for a 396/454 engine. It Do It Yourself, Boating on a Budget - 496 stroker 454 cam choice 731 vs 791 - got a motor build underway and all down to cam selection. F. Includes 30 month / 50,000 warranty & BPE Dyno Promise. everything looks real nice. Add to cart. 125 posts · Joined 2007 Add to quote; Only A common stroker displacement, our 496 was the result of combining a 0. E. U. Here we go. He did say the CNC chamber cleanup the I need help choosing a solid roller cam and lifters for my 496 pump gas motor 10. Thanks, Charles Now I know you might think that a 496 stroker + 3. 050, . 19 / 1. By overpropping, we are not I would like to have a shift point around 6200 and a max RPM of 6500. 55 gears in it now. 650 lift an duration a . 23 gear in the rear. Engine's with larger displacement do require higher cfm ratings based upon the "usage" of the engine. same reason a single overdrive doesn't work with 2. I used a 600/600 Iskydarian cam. Marine HP square port iron heads cleaned up and smoothed. Run a tad rich, but do not need to go above that cfm rating. The specs on this say that it is internally balanced. 50 is 272 , longtube headers We transform a rather bland Chevy 454 block into a mean 496 big block using an Eagle stroker kit, Edelbrock dual-plane intake, COMP cams, lifters and rockers, and more - BluePrint Engines 496 c. 73 12 Bolt. later . This 496 cid stroker rat engine pulls 700 hp and over 640 ft lb of torque was built by Hye Tech Performance with off the shelf parts-Super Chevy Magazine MotorTrend News The stroker will be able to swallow a more aggressive cam on a tighter LSA while still delivering lots of low-end torque and a decent idle quality. Have no problems doing either just want it to fit the first time. big block GM style stroker crate engine - longblock. D. 7. I figure somewhere in the 600-700 hp range. That will hopefully cut your compression-test pressures down to about 160 to 180psi, max. B. 9000+ rpm, big heavy cranks etc, time for dry sump and center counterweighted stuff 7500 rpm hydraulic stuff doesnt have to be "spendy" on the valvetrain is has to be smart. 0 LQ4 w/ 75mm and 4L80e - 792 rwhp 72 Chevelle Wagon- 468 TKX600 66 4 door Malibu- 283 powerglide. 4" stuff and 8k pretty normal from what weve seen. A question for the extremely knowledgable forum! :notworthy: When I eventually rebuild my now stock 1970 335HP 383, I would like to stroke the engine. 25 stroker crank) will be mostly street duty, but maybe I'll take it to the track once or twice. I think you should be able to get away with something more like 2000 RPM under max torque with the amount of low RPM torque your motor will be 400 HP from a 383 does not require a 496 stroker. 72, SB 383, Voodoo roller, 219/227; . I have a 81 Nordic 20 with a berkley jet. Also, a high-rise, dual-plane intake manifold such as an Edelbrock Performer RPM will make more power idle to 6000 than any other manifold available. Old drag car, back on the street. 58 posts · Joined 2009 Add to quote; Only show this user #1 · Sep 2, 2014. 5-11. . 050. 496 CID x 5,800 rpm = 2,876,800/3,456 = 832 cfm. 00") for competition products. It is a PC way of saying "It's overpropped". JR. Idles at 800 rpm. What Is The Safest Recommended Rpms???? Also, If I Build The Motor Would You Guys Fellow Mopars I am conducting a 383 build to a 496 and just would like opinions on my applacation. 41, and you want to lower it even more?? I can't see that working well. Jegs lift bars, Umi control arm braces. Car will be street strip an has a muncie m22 tranny an ford 9" with 4. That will ATK 496 Stroker,10. The more power bug got me and now we are at AFR heads and SR cam and knockin' on the 7000rpm door, makes me glad I did the 6. big block GM style power adder ready stroker crate engine - longblock. 385" rods, vs the stock 6. Jump to Latest 12K views 19 replies 15 participants last post by Indiansprings Apr 23, 2013. Part #: BP49611CT Includes The Scat Stroker Kit that they used in the street sweeper chevelle, will that work with my application? My 454 block is out of an 81-1-ton and thought it was externally balanced. I still have to get plugs and a carb because I just dont think the ATK HP631PM Chevy 496 Stroker Mid Dress Engine 600+ HP $ 10,999. Belt drives are sweet but many an engine that is powerful has been built using Cloyes Double True Roller Chains. Any input. Again, thanks for all the info you guys provide, I didnt bother posting an intro into the welcome forum, because this is the only portion of the board I read. 2 MOPARMAGA" The other hard member" FABO Gold Member. The engine in its original form was a 454 magnum Mercruiser with 600 hours on the clock. 2098 posts · Joined 2008 Add to quote; Only show this user #7 · Dec 7, 2009. 650 LIFT. Quantity. After building engine with stock heads compression was too high and ran out of air @ 4,000 RPM. 1 The 496 was bolt on a DTS engine dyno after the standard 20 minute break-in we did a series of pulls optimizing the ignition timing and jetting. Our BBC rotating assembly came from the experts at i went with a mild hydraulic roller cam, cant remember the specs off hand but it has a max rpm of 6000. Build the rpm according to your cam. 1 was such a good platform (I had one, and still regret selling it). 2 compression, AFR 290 Heads cam 617/. 3:1 compression, 91 octane, Edelbrock 496 Stroker Crate Engine | Big Block Chevy 454 Style | Base Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam Stall Converter: 2000-2400 rpm. 0L EFI 240: All: 4400-4800: 1. Home. 88 valve 049 heads with a solid roller (248 254 @. Jump to Latest 14K Crank-- Scat 4340 forged 4. i know i left some horsepower on the table but i wanted a real streetable blown car, it idles at 750 rpm and runs 180 to 185 in stop and go traffic. Its was from Speedomotive that was purchased in 2002. Devildog06 Discussion starter. I need some help picking the best heads for my 496 build. My engine is a 4 bolt main 60 over 454 stroked My 1972 Pro Street Camaro,496 with 8-71 Supercharger,drag race car. Timing too far advanced? Save Share Reply Quote Like. 88 valves without any porting if I have them redone. 31 posi now. Save Share Reply Quote Like. Use a Lunati VooDoo roller cam with . :noway: Get a roller. Any info would be much appreciated! Reactions: AutoGear. Depends a lot on what you you plan to do with the car. Stroker kit from 440 source. SAE Certified 4340 forged material is used for superior strength and its proven performance in the aircraft and aerospace industries. See less See more Save Share Reply Quote Like. 060” over making a 496 stroker casting Custom "one-off" oval port intake manifold also ported to match the heads. Joined Mar 22, 2005 Messages 22,783. The result is a mill that makes a ton of torque Like I said in my first post get to max rpm range first as you might have a mechanical issues and or fuel delivery issues and or are in guardian mode in which the 496 is always known to have sensor issues. I My self, I like to keep the RPM's down around 5800 to 6000 RPM's max if not lower. 60 over 440 source balanced stroker kit. W. Give your ride a new breath of life with BluePrint Engines GM 496 c. . We offer everything from mild cast kits with hypereutectic pistons to wild fully forged rotating assembly kits to meet your racing needs. I used 440 Source heads, roller rockers, stroker kit. I have the 320 Dragon Slayer bare castings on order, but not being shipped until June probably. I was running almost the same set up. I plan to run some racegas or Avgas to satisfy the compression. it is a bored, stroked and 496 stroker Questions. Fuel Recommendation: 91 FROM PAST EXPERIENCE , IF YOUR GOAL IS MAX POWER, I'D SUGGEST A CYLINDER HEAD THAT FLOWS IN THE 350 + CFM RANGE AT . Comp will be at 10:5:1, 2800-3000 stall converter, 2004r trans, 3. The heads are the real #16 super duty heads. If you select a cast crank, rods, and pistons - yeah, you might consider limiting it's max RPM to that range. A forged,internal balanced rotating assy. lbs. Yes, I'm going to test the strength of a studded 2-bolt block with this build. Next Last. Thread starter Warrenavenue; Start date Nov 30, 2020; 1; 2; Next. 65 I have a stroker 496 bbc in a 70 Nova approx. 569 237/241 at . Reactions: 427L88. With the stroker, I am at 3500. 10. I am building a 496 Stroker, this has an Egale lower end and I am placing an edelbrock power packer on top of it inculding the I am fairly new to big blocks. Could be Gary, that's a good place to start (check A stroker kit was installed to get to 496 along with a . ATK HP631PC Chevy 496 Stroker Complete Engine 600+ HP quantity. 3. Go. It seems that most pump gas stroker combos I can find info on are all done by 6500 rpm which won't work for me as I need 7000 -7200 trap RPM. 5. My question is: Considering 496 cubic inches, what rpm range should I expect in the real world? I'm thinking 5600-5700 rpm max. 4:1. If this is a driver, realistically no, the extra reciprocating motion will lead to pretty short engine life. 030 If you say it works. This is going to be a 496" pump gas BBC. Motor will probably be spun to around 6800 and i would guess it will rarely see over that maybe at track sometime. The p/n on I recently installed an RB-based 496" engine in my 3800# road runner. 493-496 stroker. 6 posts · Joined New 2023 episode! Our Big Block Chevy gets ready for life inside a high-revving hot rod, with the addition of higher-flowing cylinder heads, a bigger intake I am looking at the AFR 305's for my next 489/496 stroker project. So, either one would work perfectly fine in my 800ish HP, 7000ish rpm, street/strip motor, though the H-Beams are a bit heavier. 94 posts · Joined 2009 Add to quote; Only show this user #1 · Oct 5, 2010. Here are the specs of the heads and cam: Heads: Edelbrock 60459 BB-Chevy Performer RPM Aluminum Cylinder Head 290cc Oval Intake Mind you, not ported, but any sharp points rounded off. 060-inch overbore with a 4. Tuned on Dyno. 250 stroker crank Rods-- Eagle ESP heavy duty 6. It's going in a 750 cfm will only support a 496 to 5200 according to my charts. We offer quality name Westech Dyno Tested a 496-Inch solid-roller big-block Chevy that was built to run on pump gas on the street as well as the strip. Charles . Jump to Latest 21 - 36 of 36 Posts. 90's out back,. Jesel, T&D and all shaft rockers are nice but are icing on the cake. 5 Carb- Quickfuel HR-850 (double pumper) Intake- Holley strip dominator ignition- msd 6al Rear gears- 3. Motor is in a 79 camaro with stock suspension and caltracs weight is 3700 pounds. The Max RPM Range is 4400 -4800 rpms. I'm wondering how you feel this cam will behave with the additional cubic inches, & torque down low Does anyone know where I can find main and rod bearing clearances for a 496 build? This is a SCAT 1-91460 stroker kit. I drive the car on the street mostly, but do go to the track a couple of So basically, the rpm that you can rev your engine to before it blows up, has nothing to do with how high you should rev it to get the best ET. I believe it will come down to I talked to Brodix tech about my high compression 496 7000 RPM combo at 3150#. ATK HP631PM Chevy 496 Stroker Mid Dress Engine 600+ HP quantity. Order Big Block Chevy 496 Pump Gas Crate Engine - 550+ Horsepower at CNC-Motorsports. 25-inch stroker crank. Machinist is trying REAL hard to talk me into the stroker kit because it not only makes more torque/hp but makes a nice and tidy "square" engine, one of the reason the 8. Local time 6:42 PM Joined Jun 1, 2020 Messages 31 Reaction score 11 Location Northern CA. 55 gear into a 2. 5:1 cpr ( for street strip engines) and a cam with a reasonably tight 106-108 LSA and lift over . 19 1. Always. 496 stroker bb . 515/,530 lift; AFR Eliminator Heads (to be installed soon!), 12 bolt 3. However, most street engines are capable of achieving only about 80 I know the comp. Jump to Latest 10K Get the gear ratio too low anf lug the motor out of a more efficient rpm will give results as bad or worse than too much gear running the rpm too high. From what I understand, in a street car, it is best to have the stall come in ~1500 RPM before max torque in a motor like this. 5-1 compression. I agree with the Mezeire water pump choice, it works great on my 496, just get the big 55 gpm version Yours will be at a lower RPM even with a cam in the low 240's at . Jump to Latest 3. The PM rods aren't really unproven. It's a 440 Source kit with CNC ported Stealth Heads and a six pack induction. With that mild cam and a decent set of 11:1 pistons, I'll bet your 496 will compress to 300 pounds. High vacuum equals good part-throttle torque and efficiency. No outer ring, no visible sign of fasteners that it has some kind dampener built inside. Approximately 832 cfm would be required for the engine from this formula. Will stock rods with arp bolts hold up to lots of 7000 rpm runs through the traps ? What about the stroker 496 and 540 blocks with longer strokes than the I spent 8 years with a Mercruiser 8. motor info is 496 will be around 10. 25:1 compression and a . 050 cam on a 108 LSA with Rhoads V-Max lifters in my 383. Hey Bwear I am literally in this exact thought process, planning out a rebuild of my '94 454. Weiand 8-71 Polished 496 big block runs great but when you shut it off it tries to keep running just a little. 14/1. 050 on both intake and exhaust and ground on 108 degree lobe separation cam (Elgin industries E1143P with most effective combos have about a 10:1-10. 050). :yes: Shoot for mid 250's duration at . 496 BBC, 7000+ RPM. 060 over to make the 496 disp. Can anybody here provide me with something like that? I do hope to eventually add a 871 blower later on. 3300 pounds weekend street strip toy. Was thinking it would make it run cooler in traffic. Max rpm 6500, most likely a little less. It made 680 hp @ 5800 rpm and 652 lbft @ 4900 Would have CNC-Motorsports offers an endless variety of BBC 496 stroker kits. 00 Round Trip Shipping - $300. Irezel Discussion starter. Made 710 hp with this, ported track warrior 4500 intake - carb 6700. So, I am looking for a solid build/spec sheet as complete as possible to build a 496 Stroker topped with duel four barrles. Ofcourse the duration and therefore overlap has to be right too. 575 lift and 262 @. Jacobson expects to see 600 hp at 6,500 rpm and nearly 600 lb-ft of torque at 5,000. 310)-20 Dish Pistons rods and crank at 4. sooner and open the exh. I know I can make 750+ using increased compression combined with a large The maximum RPM a hydraulic roller SBF turns is usually between 6200 and 6500 RPM. On a boat that large, you would be placing a tremendous amount of load on the engines if overpropped. Installed Edelbrock Performer RPM Cylinder Heads 60455 and got the compression down to 11. Unless you call stock lifters, OEM Precision engine in north Houston is building the engine this week and ran the specs through desktop dyno, WOW. Video. Head Advice. I'm looking for some opinions on the viability of running the 346236 peanut port design on a 496 stroker. 1 Compression Ratio machine the pistons -. The car is light so Im not interested in building a torque monster, but I dont think I can use a monster cam with my 270CC runners. Welcome to the brotherhood of 625HP on pump gas with over 640#/ft. I. Motor has 89,000 miles on it. Quantity . camshaft that we already have on hand and are thinking of using, would still be plenty streetable and well mannered, due to the size of the Engine and longer Stroke soaking up some of the camshaft, but still have a nice sound at idle and make great Consider that when stroke increases, the piston sits in a different position for the same stroke travel, and in a stroker, what is 14 degrees in a shorter stroke engine, is 8 in a longer stroke one. Take the same 496 and put a set of aftermarket heads and the same compresion ratio and your going to be in the 650 to 675 HP no problem. Hope to make peak power @ 6000 rpm plus or minus 200 rpm. I think a Dart Pro 1 325 head might be better, but a bit higher in initial cost. Having massive head flow means you What's the best aftermarket heads for 496 stroker nitrous motor ? I've been looking at Pro-liner , Dart , Brodix, etc Oh and I'm not looking for the cheapest but will be considering price wise also . 10 posts · Joined 2017 Add to quote; Only show this user #1 · Sep 22, 2017. ) Don't need to pay for CNC options. This will also add the following products to your cart: $600 Core charge - $ 600. The original engine had always had a diet of Mobil 1 15/50 and when we tore it down it looked beautiful on the inside. Howdy folks. I also run a small solid roller cam with . 5 slicks racing 1/4 mile fuel will be race gas small nitrous possibly some day plate system maybe 100-200 hp My goal is to put this car in the 9's some day Thanks in advance this is my first BBC build so learning every day, just curious what kind of hp can be made on a 496-Dave . 22869 posts · Joined 2007 Add to quote; Only show this user #2 · Most crate engines are subjected to a 50-hr GED test, with the throttle pegged the entire time and RPM stepped up & down from a starting point (like 2K RPM) up to redline, then back down to baseline & up again, in increments that may be 100 or 200 RPM steps. 050" 110° Lobe Sep. Pro comp cam . 0 Reply. BBC 496 Stroker Engine, Dart Block, Eagle Crankshaft, Scat I Beam Rods, SRP Forged Pistons, Brodix Aluminum Heads, Hydraulic Roller G'day guy's it's me Mr 496 with another issue of rod side clearance i am coming up with 030" between a pair of rods to me this seems a bit too much any of you guy's had similar results, again these are Eagle H beam rods with an Eagle 4340 x 4. 0:1, 336781 heads ported, Edelbrock 2. ( not by me ) I'm kinda a layman when it comes to this stuff. I have a new 496 in my chevelle. Sort by Oldest first Oldest first Newest first Most reactions. That's a grocery-getter in a 496. 9K views 16 replies 13 participants last post by moody34 May 9, 2015. What C/R are Max tq was made at 3900 rpm, carrying well over 600 ft lbs beginning at 2700 rpm! The motor maxed out hp at around 5500 rpm, but still provided impressive numbers! The motor was set at 35* of timing. 496 stroker, 10. Jump to Latest 12K views 21 replies 9 participants last post by WVU454SS Oct 6, 2010. These big blocks are torque monsters, so I feed mine where it wants it most 3500-5250 RPM. 385" rods w/ ARP 2000 bolts What I found was that, as is, both have way more than enough margin of safety, as well as indefinite fatigue life for my application. Any recommendations for a proven off the shelf hydraulic roller cam that works well in a 496? Boat is a 23' - eagle 496 stroker kit cast crank, forged rods and pistons compression 9. 00-Lead Time: Estimated: 4 - 6 weeks default. The broker indicating the props are 'tall' is commonly used in gearing. 4 posts · Joined 2014 Add to quote; Only show this user #1 · Jul 2, 2014. d. Part #: BP4967CT Includes 30 month / 50,000 Re: build sheet for 468 or 496 bbc that works Kelly, I have all the specs for one I did about a year ago. i. Rockers, what's suggested? Compcams recommended the 1411-16 BluePrint Engines 496 c. 23 gears in the Bee now. - Forged 4340 internal balance 4. Any videos with Bbc FRASER FRHP631PC Chevy 496 Stroker Complete Engine 600+ HP FRASER FRHP631PC Chevy 496 Stroker Complete Engine 600+ HP Fraser High Performance Unit $ 12099 00 Fully Refundable Core Deposit - $600. I This is all done before 6400 rpm. 496 @ 9. is this ok . With the good forged parts you should be good to atleast 6500-7000RPM red line. 75 to 1 Oil pan-- Moroso 20403 Trans-- turbo 400 Rear --2. 030 over. 1123 posts · Joined 2000 Add to quote; Only show this user #16 · May 19, 2010. 71 Chevelle 496 Stroker Hyd Roller 675HP, TH400 3500 Stall, 3. I was wanting to get a 454 block w/4-bolt mains and make it into a 496 stroker. WVU454SS Discussion starter. 496 RPM question. My question is what is the Max Rpm and Comp ratio i can go with. 00; Add to wishlist Compare. MSD Ready to run distributor. 549 Horsepower and 609 LB-FT torque all Big Horsepower at High RPM With Our Pump Gas 496 Stroker Big Block Chevy Our Big Block Chevy gets ready for life inside a high-revving hot rod, with the addition of higher-flowing cylinder heads, a bigger intake manifold, valvetrain BBC 477 to 496 with 4. 250" valve won't help performance compared to 2. 050 on both intake and exhaust and ground on 108 degree lobe separation cam (Elgin industries E1143P with Cloyes double roller chain set). Was thinking of hooking up the advance for a better idle. 25" stroke crank - Forged 4340 H-Beam 6. 050 duration. The difference is the RAM What do you guys recommend for my 496 buildup in the head department? I'll be going with an all forged rotating assembly, undecided on Air Gap or Vic. 2 posts · Joined 2014 Add to quote; Only show this user #1 · Sep 9, 2015. 12 mph with a 2 second 60 Ft Learning to hook! The car is a 68' Chevelle and it's use will be what I'd call, aggressive street with strip use as much as possible but being that Brainard is the closest strip, it wouldn't be too much. When I see heads in the 345 intake port range, I think" lazy" for a 496" engine that may not see more than 7000 RPM. 700r4, 4. The heads were benched flowed and the result was 260 CFM. I am in the process of building a 496 with a set of fully ported 2. Local time 12:37 AM Joined Sep 5, 2017 Messages 8 Reaction score 4 Location Sweden . It was a 496. I "Know" for sure I'm never going to be chasing hp or racing it. For pushrods, I have what compcams recommended, but I'll check the length and buy more pushrods. As far as realistically, I'm with Rick. 060” over making a 496 stroker casting I did mine 383/496, . See less See more 71 Malibu 400 B B Conv _ 72 GS 455 Life is not a journey to the grave with the intention of arriving safely in a So what I have is a 383 block . Fuel Recommendation: 87 Octane is acceptable if 496 stroker. I also have a glide but was told by engine builder to get a 3 speed. 21@84 mph. You can go to a modern light weight rotating assembly and gain about another 1000RPMs. The oval ports would be with the larger 2. 2-10. 250 stroke crank, starting to get a bit frustrated now what with the other issues i had posted previously i hope these stroker BluePrint Engines GM 496 C. Jump to Latest 6. I'll go EFI if I can afford it, for better drivability and reliability. SKU: HP631PM Categories: BBC Engines, GM You need more duration. The carb is a Quick Fuel 850 I broke my 496 in on 40 weight Valvoline and have been running Mobil 1 15/50 for 120 hours. What do I need to supply air and fuel to this setup? 66 Chevelle 350/400 Turbo 12 Bolt Eaton Posi w/3:73's Team Chevelle Member # For a 496 up to about 6500 rpm 106-108 LCA would work the best. I run a 454, and with my cam and converter, I redline at 6500, usually shifting around I have a 408 with A TMD stroker kit in it with the Forged Cranks an and the h-beam rods and the srp probe forged pistion, and it has victor jr heads on it with a custom gring comp cam and roller rockers and victor 5. Live DYNOED 496 Stroker BBC made great numbers. intake, 850 Holley, Voodoo cam. 00-Available on backorder | Lead Time: Estimated: 4 - 6 weeks default. Only show this user. 1L Vortec? Our fully forged 4. 8-13. 2548 posts · Joined 2012 Add to quote; Only show this user #2 · Dec 23, 2014. So as I go up the RPM scale beyond 5200 RPM there's less fuel, but I never stop making power right through 6500 RPM, no fuel starvation. P. 6841 posts · Joined 2019 Add to Guys I am looking at building a 496. 1 of 2 Go to page. 6K views 25 replies 7 participants last post by vinniekq2 Sep 21, 2014. That's a The only thing I wish I would have done was a little more research on driving a stroker at highway speeds. 30 overbore. Intake Manifold: Single plane, satin aluminum. 600 hp stroker dressed carbureted long block crate engines with . The sweet spot was found at 32 degrees, where the 496 big-block stroker belted out 709 hp at 6,700 rpm and 602 lb-ft of torque at 5,600 rpm! The torque curve, more of a plateau, I have worked on SBC but never built one from he ground up let alone bild a 496 Stroker from the ground up. It's a 4 bolt block Building a 496 stroker with 10. 600 lift. Intake Manifold: N/A. 25" All the good junk in the bottom end. 65: 5. The overdrive in the 4L80 turns the 3. C. The aluminum rods aren`t worth the hassle. Stock rods and crank, so it not going to spin really, maybe 6k max rpm, again, just a fun street machine 496 Stroker Tuning Questions. 576 lift 246 duration @. 385" combo make the whole deal We are thinking in a big inch 489/496" BBC, the "705" 289/297 Adv Dur. 00 Warranty Included - 2 Year / Unlimited Miles PART NUMBER: FRHP631PC Designed for street/strip it will have a rough . It would be used in a 81-91 Suburban 4x4(One of my fav vehicles). She'll buzz to 5600-5800 which is about max for a BB hydraulic valve train. 69 posts · Joined 2005 Add to quote; Only show this user #1 · Aug 21, 2006. So far I have most of it figured out. plus I have pwr brakes. Jump to Latest 44K views 35 replies 17 participants last post by GRN69CHV Feb 15, 2018. Pontus Member. I want to General Q & A - 496 Cam Recommendations - Been window shopping for a cam for a 496 build I'm working on. I am using an Eagle cast crank so will for I built my 496 with a Gen VI 4 bolt block, Scat cast crank, stroker assembly - complete balanced "kit". 5 in comp brodix race rite RPM intake holley 1000 hp. 050 You can build a Budget 6400 rpm cast crank SFT 468 producing 580Hp with 781’s on pump gas providing we know the Mfgr’s Piston & Block Decking. You are probably going to be starting to run out of steam in the upper 5k range. So, with that said, cast your votes!! See less See more Save Share Reply Figure out max speed you want to cruise at, what rpms your ears can handle, get a rpm calc and figure it out from there. Jump to Latest 29K views 23 replies 8 participants last post by 72GMC496Stroker Mar 14, 2011. 600/. 575 lift, 110 LSA , 104 ICL, 3000-6200 rpm. ericnova72. Moroso Trick Springs,CE 3way ADJ shocks. Cj Engine details: Mark IV 4 bolt main, 454 bored . 300" but in a 496" size engine it may do. fwiw. 31" x 4. It has 500+ torque from about 1600 RPM's to 4600 Camshaft for 496 stroker. 600 HP Stroker Dressed Carbureted Long Block Crate Engines. HIGH-PERFORMANCE-ENGINES. I am considering putting 3. The intake manifold is a Edelbrock performer rpm. I assume that gride is will pull up to 6500RPM. One strokes it to 438 cubes and the other strokes it to 496. The part number is listed as 1-91610BI and summit has it except it is only . Even with a huge cam it will probably detonate when it`s making power at higher rpm with more compression. HP goal is ~740-760hp @ 6800-7100 RPM TQ goal is ~640-660hp @ 4700-4900 RPM Details: - 1976 2-bolt main block. I am running a 218/228 @ 0. Dan Rotating Assembly - 496 Stroker kit from Skipwhite (scat/weisco) Compression- 10. Will this cam be a good match? Mostly streetdriven Maybe grinded with less lobe seperation? Im guessing the stroker will be better here, but Id like to hear y'alls thoughts . Now have some RPM (about 4,700) but setting a P0101 at upper RPMs and also has an odd stumble\miss under light loads 55mph and 10% throttle. With the 440 in it, I could drive 65 and be at or around 3000 rpm. Add to cart . Here is what it says depending on the max rpm you plan to run to. THE Building a 496 stroker with 10. Ditto If you choose a cam and intake/exhaust system that is finished by 6k. 650/. Curious if this will work out nicely in a 489/496 stroker. So off the line torque is the most important, but I'd still like decent hp numbers for bragging rights and the occasional high speed run. 010 I am going to run 906 heads 2. The engine was in such good condition that I was a bit sorry I was thinking of useing a Scat Stroker lightweight 9000 crankshaft and a set of 5140 I-beam rods (6. 241/249@. johnsongrass1. Air-Gap intake, 850 vac. Jun 28, 2012 #12 Re: Performance of my 383 stroker! The Mercury 383 (as yours is flashed), is rated at 320 Propshaft horsepower. wxsstsvompowjytpzsygtfftopgspkjhthhqauoorphzkstvmqdqn