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Tuning is key and keeping rail pressure in check to make power. I don't know of any 700HP stock CP3 trucks (not doubting it all) but I have seen some 670ish HP stock CP3 trucks. Even those are few and far between. 2017 RCSB F150 5.0 - On3 Twin Turbo, Fore Fuel System, Boss 302, FIC 1300's, E85. Sold: 2012 CCSB 2500 4x4, 2003 2500 QCSB 4x4 881/1443.The hp on any block depends on many factors. The most obvious of course is how the block is casted which the 351C has an advantage in that area over any other ford small block. One block could crack at 500 hp while the other holds fine at 700+. It depends on how the motor makes its power, what parts were used, how well it was built, how well it ...THere is no one size fits all threshold because there is no one size fits all affect. A perfect balanced turbo 302 engine that never saw above 5000 RPM would probably hold up pretty well to about 550 reliably. Now the average massive weight crap balance NA engine typically sheets itself around 6500 RPM and 450hp.A 5.4 Triton engine can handle up to 300 horsepower. This V8 engine is a member of Ford's Modular family and was first produced in 1997. It is one of the most successful engines ever made, and it has been used in many of Ford's most popular vehicles. The Triton engine is considered to be very reliable and durable, with many of them still ...62nalide. I pushed on up to 600-817rwhp for a year (6L80E) on a heavy truck, some make 650rwhp and hold for a lot time. The 6L80E has been out for years and its all in the tuning. I've heard of people break them at 500hp or so but as long as you have a bigger trans cooler and watch your temps it'll last a long time.SUBIE-CHOP. If we can link YouTube videos on here there’s a video of a master Subaru transmission rebuilder And if I remember correctly he says the six speed sti transmission begins to fail at 625 hp. I would assume that’s based on a solid, well functioning starting point.If it's in the 1" range, then that's the modern equivalent of a 28 spline axle. A 28 spline axle will handle up to 350 ft/lbs of torque at the flywheel - that's typical SBC Chevy, FWIW. While the A mighta ran a 7/8" axle, later banjos (they were used after WWII) ran a 1" axle - if I recall correctly.Jun 5, 2015 ... It's a pretty good trans. GM rates their trannies low. You can push 600rwhp without too much drama. It really depends on your intended use. A ...2921 posts · Joined 2003. #5 ·Feb 6, 2006. The factory THM 350 transmission "generally" can take about 300 to 350 Lb/Ft. of torque max for the truck versions. Cars are a little less. In the 80 versions where they started using an electronic stall converter they don't hold up well at all.May 16, 2009. #9. BA BUSA said: Gen1 rods are good to 280-300 hp....Gen2's are a bit better, but if you are looking for 350hp...upgrade the rods and pistons. this ill disagree with maybe on spray but on a turbo wich is more gentle itll take 350 gen 1 and around the same or maybe a hair more for gen 2's ive been well over 300 on gen 1's as have ...In short, Performance Automatic yields a 4L80E engineered to handle 700+ horsepower and comparable torque. See All 29 Photos. 1. The Performance Automatic 4L80E is a proven street/strip...August 22, 2022 by John. The 4L60E is a stock GM transmission often found in Silverado and Sierra trucks. It’s a four-speed automatic with overdrive, and is capable of handling up to about 325 horsepower. The 4L80E, on the other hand, is a heavy duty version of the same transmission that can handle up to 450 horsepower.How much HP can a stock 6l80 handle? With these modifications, a 6L80E can handle 500 to 600 rear-wheel horsepower in the typical street/strip application, although we have had customers push them all to the way to 1,000 hp." How much horsepower can a 4L80E hold? The GM 4L80E Performance Transmission Level 4 is powered with whopping 800 Horse ...These stock LT4 cams really do no like rpm, they're even worse on the stock blower. Heres some data: **All tests completed at 4000ft altitude, DA changed but dyno is using SAE correction. This is my final run for all 3 configurations: Green: 90mm upper, stock lower: 14.5psi at 6500rpm, 24deg. 8psi at 3000rpm.Hi, what is the maximum boost a 1.6L DOHC can handle if I keep the 10:1 compression and stock internals? Of course I will use a program to retard timing and all. ... and how much boost can the stock fuel pump take? ... it seems weird that your max torque and max HP are nearly at the same RPM. The normal would be that your max torque be around ...The down side to low gears, is that your give up some fuel millage. The RPMs will increase at any speed. So lets say your doing 70 MPH now, and turning 1800 RPMs and your truck has 342 gears. So you swap out the 342s for some 410s, then at 70 MPH you might turn 2600 RPMs. ( this is just an example).It scares me to think that the e16g kit could fatigue the stock crank that badly at those power levels in a couple of years. What I REALLY want to know is how many folks have roadcoursed their cars (and the duration in hours/miles) at the 500awhp level without requiring an engine rebuild shortly thereafter.May 15, 2007 · tippmann243. 4379 posts · Joined 2004. #4 · May 17, 2007. the 4l60e is a stout trany. they dont like to be over spun though gm wasnt kidding when they said max rpm is 6500 (is that right) get a decent exteranl cooler and a few upgrades and you will be set. -mark. 89 s10 blazer 5.7 vortec/t56 0411 pcm powered.

Hi all. I have a 85FXWG that is 96 cubic inches with S/E heads, S&S carb etc. I was wondering how much horsepower a stock clutch can handle with out slipping. Save Share. Like. Sort by Oldest first ... Stock Evo clutch: 80 - 85 Hp Heavy duty spring & extra plate clutch: 100 - 110 hp '21 LowRider ST 126 rwhp, 134 rwtq, Kinda stock ...bentleyville, Pennsylvania. Every person on this forum can get 400hp out of the stock internals. The record is 640 by mister mike rizz and making years of passes and finally getting into the 9s on a stock block. Stock internals will hold a 14b and probably a e316g at full cfm. It's really just about the tune and making sure you don't over rev.2. 2jcharged Discussion starter. 5 posts · Joined 2008. #1 · Oct 16, 2008. hey, im new here and have been doing alot of research but im sure ill get flamed anyways so here it goes, so far iv read that the manual tranny can only hold about 350 hp, and iv read that the motor in the IS is NOT identicle to the NA supra motor.Jun 7, 2010. #18. wow a stock d16 will only handle around 200-220whp b4 the rods need to be changed..... stock rods go at around 220whp....ive seen around 250whp... but that would be pushing it....soon or later your gonna have probs... just upgrade the rods to eagle h beam rods and some good arias or wiseco pistons.

Lasting him about 2 years of racing every weekend and drove it to work. I would say a 600 to 650 Hp build. 200cc dart heads, compcam 292H, Victor jr, 750 DP, 300hp shot N02, 3500 stall, and 4.56 gears. Finally developed a rod knock after eating 20lbs of n02 every week for 100 weeks.Some say the 4l80e cant handle much power. I have another 2500 Suburban,6.0 Vortec, stroked to 6.6, then supercharged. Anyone running a stock 4l80e \\ np246 in high HP applications? I know what books say, I am wanting real world knowledge.Not many people put forged parts in stock block so its hard to say, swapping everything over to a built block would definitely be easier and safer, but may be more expensive if youre doing the work. The fa20 out of the BRZ can handle around 600whp with forged internals but they have a different compression ratio than the fa20DIT in the wrx.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. It scares me to think that the e16g kit could fatigue t. Possible cause: Generally speaking, the 4L80E will be able to live well with up to 450 fly.