How much hp can a stock 4l80e handle

LS7x. 590 posts · Joined 2010. #6 · Jun 5, 2010. The c5's can handle a lot with some decent mods... there are plenty of upgrades for the stock A4 tranny's go with a xtreme duty rear and upgrade the half shafts.... most of the guys I know are putting 700+ to the rear wheels and they are holding up.

How much hp can a stock 4l80e handle. The 4L80E is larger and heavier than the 4L60E. Its more hefty build can be tied to its 236 lbs and a length of 26.4″. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5″. A comparison between the size and weight shows that the 4L80E is significantly larger and heavier. Can a 4L60E handle 500hp?

139 posts · Joined 2017. #1 · Sep 20, 2017. What HP rating are people experiencing no issues with stock bottom end? Called a couple of shops and their opinion is around no more than 700-750 HP and that is when you can experience rod shrinkage and white smoke. We are not talking about sending rods through the block but bent rods or …

10221 posts · Joined 2003. #3 · Nov 21, 2011. 10# of boost is relatively MILD. The stock Vortech HO superchargers come pullied for 8-10# of boost which is considered normal/stock boost IMO!!! Shouldn't have ANYTHING to worry about!! Share.From what I see with guys pushing stock blocks with power adders is that the amount of cylinder wall thrust over duration of time also plays a big role in relative block life as well. So, in that respect an engine that makes 600 ft/lbs at 3,500 rpm is much less abusive than an engine that sees 470 lb/ft at 7,000 rpm.01. The starting point for any transmission build is the case. PerformaBuilt uses only good cases that have been thoroughly cleaned and inspected. For this build it's a 4L60E version. See All 13 ...How Much HP Can A 6L90 Handle? ... a TransGo 4L80E shift kit, a high-performance input and output thrust bearing, high-performance shift solenoids, a 6L80E flex plate, a HD 6L80E torque converter, and a 6L80E shift lever. ... The 6L80E is able to handle up to 650 horsepower and 600 lb-ft of torque on stock parts. However, it can handle …The stock bottom is supposed to be able to handle 8 lb of boost. That should be good for close to 100 HP. That should get ya close to 400 HP ... is about 1000 lbs lighter which means a lot less stress on the entire drive train, which can really help, however 400 hp is 400 hp, a lot of how it will live depends on how carful you are with it. …In the upshift table "Base Shift Pressure vs. Torque vs. Gear" what are safe pressure limits for a stock 4L80E at the various torque settings? I've got 1->2 and 2->3 scaled from 0 @ 40lb-ft to 84 @ 640lb-ft and those shifts are really nice for my stock truck. I've got 3->4 scaled from 12 @ 0ft-lbs to 90 @ 520ft-lbs and it's still too soft.Mar 24, 2011 · 6826 posts · Joined 2012. #29 · Nov 25, 2019 (Edited) RocketRobin said: The stock clutch can handle about 360 lbs torque. I swapped mine out for an ACT HD clutch that can handle 522 lbs. Pedal pressure and modulation is ok for city driving, but it's not the nicest. This clutch takes a while to break in.

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...The 4L80E is it's direct descendant. Stock 4L80E's benefit from 40+ extra years of research and development. They also benefit from not being so old. There are very few clean Th400 transmissions that have never been rebuilt. Whereas there are great 4L80E's are readily available at the local wrecking yard or on Craigslist.When enhancing the horsepower (hp) and torque of a stock 5.3 engine, it is vital to focus on optimizing core engine components to handle the increased stress. Modifications aimed at the camshaft and lower end components are particularly crucial for supporting higher performance outputs in GM's LM7 and other variations of the 5.3 engine.431 posts · Joined 2009. #16 · Aug 24, 2010. ^ i can testify for shoaf his car does make 550 rwhp and then 10 bolts still holdin, mines makin 360 rwhp on motor with 12" wide street tres and i launch the piss outta mine all day, some hold up some dont its varies from car to car. -1996 Trans Am. cammed and sprayed:bat.Table of Contents. How Much Power Can a Stock 4L60E Handle? The engineers at GM designed the 4L60E to withstand impressively high power outputs in stock form: Reliably …There are guys running C4's behind built 351C's at the strip but they are highly modified. A stocker IMHO will take a 400 HP street blast every once in a while without grenading. The same trans might not last a day at the strip making run after run. With a good shift kit and an external trans cooler the same trans would likely last a long …how much hp can a stock s52 motor handle. I gather a magic number for many is 400 rwhp and even the pursuit of 500 rwhp. With high boost, efficient FI, efficient breathing and proper tuning those numbers seem in reach of some of you. I hope to get close to 400 with all the following mods : the EsTS, pulleys, SuperSprint, and soon to …It's 10L90 transmission is rated for 900 pound feet of torque. That is the manufacturer's rating. I would guess that Subaru would have a similar type of rating number that can be found for the STI. That's just a guess. The thing about building any car is that you are always finding the next weakest link.

As such, there is some “head room” in terms of power capacity. As long as there is no excessive wear inside from high miles or neglect, a good 5-speed Allison can hold about 100 more horsepower than stock. While that does sound like a lot at first, just consider a custom tune can easily add more than 130 horsepower, getting you well into ...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 …check out www.ckperformance.com a stock 4l80 should handle like you said 550 on the high end. these guys got em up to about 1800lb ft. hehehe. but there are various minor upgrades, ... TH400 transmissions can be built to take in excess of 1,200 hp. You are correct to note that the OD in the 4L80E is the weak link. I trashed the OD in my stock ...Weak pinion gears. The 7.5 can take about 250 hp with a auto trans and last a good long time. 300 up and breakage is inevitable. I drive my car like a p***y for that very reason. I'm saving up for a custom Dana 60. 900 hp won't break it. 8) Of course then my weakest like will be my T5.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 ...

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Aug 22, 2022 · 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. A stock bottom-end will take 600rwhp no problem. The block and crank can take upwards of 900rwhp. The pistons and especially the ring-lands are the weakest link. Bear in mind that those numbers can change with high cylinder-pressures (nitrous) and high-rpm. 06-07-2007, 06:16 AM #4.It's 10L90 transmission is rated for 900 pound feet of torque. That is the manufacturer's rating. I would guess that Subaru would have a similar type of rating number that can be found for the STI. That's just a guess. The thing about building any car is that you are always finding the next weakest link.It's possible to reach 400 whp on the stock block, with the right tune and upgrades (Turbo, E85, etc). It's even possible for this to be reliable, for a while. The 2.3T Ecoboost motor is a fragile ecosystem though. If one little thing goes wrong, or you get a bad tank of gas, it can be an expensive problem.How much HP can a 4L80E handle stock? To answer the question of how much power a 4L80E can handle, it is important to first understand what kind of unit we are talking about. A stock unit or rebuild of this type of transmission will typically have enough strength and durability to last with up to 450 flywheel horsepower and torque.

At 8,000 pounds gross vehicle weight, the 4L80E’s capacity is greater than the smaller 4L60E’s. As a result, the 4L80E is a completely different transmission and doesn’t share anything in common with the 4L60E. What’s more, it can handle 440 lb-ft of torque in factory form, and a whole lot more with a Hughes Performance build.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...4L60E Performance Transmission for 2005 & Earlier GM LS Engines. Part Number: 555-603020. Product Q&A. View Now. Click image to zoom. $1,763.99. 5 left in stock. Lowest Price Guarantee. 4L60E Performance Transmission.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.It all has to do with the quality of the tune. There was a turbo guy that made 700 for a short time on a stock block. 450rwhp is the suggested max for stock L motors. F. forsythe701 Discussion starter. 5 posts · Joined 2015. #4 · Jan 11, 2015. I would like to get close to 600hp and still be able to drive daily.GT35R. How much HP can stock heads and cams handle? Well here is a basic rundown of my possible modification list: crawford stage 2 forged 2.5ltr block. avo 450 turbo (internal wastegate) RA gearset. (cryotreated) helix 820 cc inj. ecutek reflash + vishnu xede. walboro fuel pump.The 4L60E was designed to be used with engines producing up to 360 ft -lb of torque while the later 4L65E could handle up to 390 ft -lb. Both feature a wide selection of gear ratios from 2.74:1 through 0.7:1 which makes them ideal for use in cars or light trucks alike.You can get that power from one of the larger turbos with 23+ psi and race gas. But as a daily driver, I would turn the boost down and run 93 octane and safely be around 330-350 whp (depending on the type of dyno used) If you are interested in your engine lasting 100K mi., don't exceed 270-280 hp.

Apr 21, 2017 · 2850 posts · Joined 2010. #3 · Apr 22, 2017. my stock trans with a shift kit held a little over 300whp with a 2600 stall converter for 2 years. when i did my rebuild i was making just a little over 400whp on a patc level4 kit. i did end up getting come codes and pressure issues with my pcm that limited me to pushing the trans to its full ...

Mar 15, 2020 · Usually, the 4L80E/4L85E transmission was found in GM vehicles from 1991-2005. It was a heavy-duty, automatic overdrive transmission that had four forward gears and one reverse gear. This type of transmission could handle up to 440 lb ft of torque and up to 7,400 GVW (gross vehicle weight). In 2005, General Motors released an upgraded version ... As delivered by Chevrolet Performance the SuperMatic 4L85-E has an improved valve body for firmer shifts and is equipped with additional clutch plates for greater torque capacity. Gear ratios are ...It all has to do with the quality of the tune. There was a turbo guy that made 700 for a short time on a stock block. 450rwhp is the suggested max for stock L motors. F. forsythe701 Discussion starter. 5 posts · Joined 2015. #4 · Jan 11, 2015. I would like to get close to 600hp and still be able to drive daily.What you could do is build a strong 3.0 engine using the 3.2 crank in a 2.8 block. Perfect for big boost The 3.2 head drops right on too if you use a BDE 2.8 as your base. In fact I may even do that myself when I finally get round to turboing mine. The 2.8 block is a lot stronger than the 3.2. Did have: 94 Corrado R32.Toxic11. 7121 posts · Joined 2011. #12 · Dec 2, 2018. The 6.4 can take 6lbs of boost safely and will make 530-540 at the wheels (that's 600 at the crank) and if that. is enough for you then you can just drive it and enjoy it. I put my 6lb Maggie on at 54k miles and I've had it on.My Infiniti G35x was RWD full time until the rear tires slipped then the AWD kicked in. I don't mean to bust your chops but I don't think u don't have 400 crank hp with the jb4 alone. 250 whp (conservative) stock plus 75whp (conservative) from stage 1 tune, figure 25%ish drivetrain losses makes about 400hp.Despite its name, the 4L80E is not an upgrade to its GM counterparts. Introduced alongside the original 4L60 in the early 1990's the 4L80E was designed for large trucks and is designed as a heavy duty unit, rather than a transmission for smaller cars or even some pickups.How much horsepower can a 4L80E handle? The OEM 4L80E transmission direct from the manufacturer can handle about 450 horsepower. More than that will put too much strain on the clutches, although there are aftermarket upgrades available which can increase the total horsepower the transmission can handle.I was wondering how much can a stock k24a4 tranny take. I was thinking about either going NA/ or booast. I also heard that supercharger is better for the auto since the powerband increase in linear, while the turbo spikes. Just trying to get a feel for it. and yes I know you can get a tranney swap but I don't want to since I am lazy We can also offer packages which include a trans-cooler, trans-mount, flexible dipstick and Lucas HP 501 Sure-Shift transmission fluid. Other fine products $69,900.00

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estimated 315-330 with stock internals. once i get better internals ill put the boost up where i can get around 370-390 (but this isnt for a loonngg time) ok i got my appointment to get my dyno done for monday evening. ill post the dyno sheet by monday night or tuesday morning.I want that the TH350 shifts at 4000RPM, but because boost pressure is set on the vacuum modulator, the TH350 will shift at 5000-5500RPM. I now adjusted the kick down cable and placed a adjustable modulator and it shifts now at 4500RPM at 5.7 psi. When I set the turbo at 7 psi, shift point goes back higher.How much hp and rpm can a 2 bolt bbc handle? 1970 Chevelle 489/400 Auto BBC Ohio Crank, (Wolfplace Hyd Roller Cam)Brodix RR Ovals, RPM AIRGAP Custom (MOD), PRO SYSTEMS, 3.73_12 Bolt Sacramento, CA. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. J.The stock internals can handle in the ballpark of 400hp at the crank. The hard part is getting there and being able to put it to the ground. ... (250+) hp range is at best difficult. You can start with the following mods first which are described in detail at Z31.com: better cat back exhaust 240sx throttle body (SOHC, w/ cruise) headers cams ...The "6" and "8" refer to the torque capacity based on Gross Vehicle Weight (GVW), so the 4L60E is rated to handle a 6,000-pound GVW, and the 4L80E 8,000 pounds. That'll help …The "6" and "8" refer to the torque capacity based on Gross Vehicle Weight (GVW), so the 4L60E is rated to handle a 6,000-pound GVW, and the 4L80E 8,000 pounds. That'll help …How much horsepower and how many rpm can a stock bottom end hold. I have enough top end to turn at least 7500 rpm with my valvetrain. Stock 350 H.O is rated to 5700 rpm but that is with a stock valvetrain. My engine builder swears PMs are junk but everything i read says they are better than the Pink rods he pushes. Idk...28 posts · Joined 2012. #1 · Jan 10, 2019. How much horsepower can a stock TH400 handle? I have one ready to go for my bbc and was wondering if it would hold up to 500hp and 500ft lbs of torque. thanks for the help.D. dur0maxx. 284 posts · Joined 2007. #6 · Sep 2, 2008. 4l80e can be built to hold a lot of power, upwards of 800hp at the wheels. I don't know about the torque though. Alot of guys are usin this trans in high hp LSx builds. It does cost a few bills to get it right, but so does a lot of things.With JET Performance upgrades, the 4L60E is good for about as much as 500 hp, and the 4L80E is good for about as much as 800 hp. JET also carries a stand-alone computer to control the tranny, in ...Then it can only handle the stock power. Any more will cause premature failure and that failure is only determine on your driving style. ... When the tech came out to talk to me he said "your running too much HP and torque, you need an aftermarket tranny" The 2-4 clutch pack was fried. 2009 6.7 QC 4x4, Carli 2.65 radius arm and sway bar …How much HP does a stock 4l80e hold? I have a 540 in a chevelle with a manual valve body th400 and I love untill I get on the highway and them I'm in pain! Found one at a truck yard for $500.00 looks like a deal. But I have some questions. 1. How much HP can it handle stock. 2. Will my flyweel work. 3. ….

It has the splayed center three main caps- I am up at 676 Hp, and I am thinking about it a lot. I have one old engine customer out there with a stock 400 block at 735 Hp. It has been together since around 1999 or 2000. You just never know how long it will last. JOE SHERMAN RACING.The 4L80E has gear ratios of 2.48:1 (First), 1.48:1 (Second), 1.00:1 (Third), 0.75:1 (Fourth), and 2.07:1 (Reverse). When the 4L80E was introduced, torque capacity was vehicles up to 8,000 pounds ...It has the splayed center three main caps- I am up at 676 Hp, and I am thinking about it a lot. I have one old engine customer out there with a stock 400 block at 735 Hp. It has been together since around 1999 or 2000. You just never know how long it will last. JOE SHERMAN RACING.Max HP with stock tranny and gears. The Turbo Forums - The discussion board for both hard core and beginner turbocharged vehicle enthusiasts. This is because clutch slippage in itself is the greatest generator of heat. How much horsepower can a stock 4l60e handlers; How much horsepower can a stock 4l60e handle; How much hp can a …Running 7 psi of boost, an air/fuel ratio of 11.8:1, and 24 degrees of total timing (on race fuel), the intercooled turbo 4.8L produced 524 hp at 5,800 rpm and 529 lb-ft of torque at 4,700 rpm. A ...Nov 12, 2006 ... There are several 300HP 6.5 guys out there, haven't read of any problems. The 4L85E is rated to 460ft pounds I believe, which is a bit ...Jan 20, 2021 ... 4l80e are absolutely not out of favor for performance. They are pretty much the standard for performance overdrive transmissions and can be ...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. How much hp can a stock 4l80e handle, Save up to $700 with HP Coupon Code. 26 HP Coupon verified today for HP laptops, printers, HP Instant Ink, desktops, and more. Save big with HP Discounts! PCWorld’s coupon section ..., How much nos can a stock 350 handleThis 4l80e can handle how much?! #fypシ #4l80e #4l80eswap #gta #gm # How much horsepower can a vp44 handle? the 11 top answersHow much power can a 4l80e handle. How Much Power Can a 4l80e Handle …, May 7, 2022 · Reads 148. A stock 4l60e can handle up to about 600 horsepower. However, there are many aftermarket options that can greatly increase this number. For example, there are upgraded input shafts and output shafts that can handle up to 1,000 horsepower. There are also transmissions that have been built specifically for drag racing that can handle ... , Lowest Price Guarantee. Performance Automatic Transmission. GM 4L80E. 1991-1996 GM 4WD Trucks. 4WD 4-Speed Transmission. Built For Lockup-Style Converter. Case Fill. Rated up to 550 HP. Dyno Tested. See more product details. Free Shipping - Ships on 10/30/24. QTY. Add To Cart. Add to Wish List. Share this product. Details. Overview., So let's talk about 'high horsepower' being applied to the 4L80-E. Using my 290hp L29 as an example, while I *can* make more horsepower on pump gas, if I want my *stock* 4L80-E to stay reliable, then I must walk the torque tightrope carefully. Let me explain. Making 1 ft/lb of torque per cubic inch on pump gas while meeting emissions is a ..., The GT500 is a badass turnkey almost supercar with awesome heritage. The 5.0 is a potent factory car that can be upgraded to extreme hp numbers and is a total bargain under 30k. However, you have to be patient with the modding as we all know modding a car is a task that can have its gremlins..., I am looking to build my own 4L80e. I have not built one yet but have done a few th350 and th400's years ago. Anyhow what all aftermarket internal parts are recommended for building a 4l80e that can handle up to 800hp? I am aware of the different controllers and converters but i am unfamiliar with whats really needs to be beefed up internally ..., How much power can a stock 99 cobra handle? Thread starter 1tirefire; Start date Sep 2, 2007; 1tirefire New Member. Jun 2, 2004 118 0 0 ... Nodular Iron 6 Bolt -----From what I know the 99-04 gt will handle 400-425rwhp, how much hp will the 99 cobra handle? C. Cobracide. Founding Member. Nov 8, 2001 111 0 0 Charlotte, NC ..., Hard Driver. 636 posts · Joined 2010. #9 · May 29, 2013. For that kind of money you should be able to buy an 8.5 S rearend with limited slip and maybe disc .The 7.5 / 7.6 will not hold up under prolong pounding from a strong V8. S10 blazer 85 2dr 2wd sbc,200 4r trans. 8.5" 3:42 disc brake rear., With JET Performance upgrades, the 4L60E is good for about as much as 500 hp, and the 4L80E is good for about as much as 800 hp. JET also carries a stand-alone computer to control the tranny, in ..., Lowest Price Guarantee. Performance Automatic Transmission. GM 4L80E. 1991-1996 GM 4WD Trucks. 4WD 4-Speed Transmission. Built For Lockup-Style Converter. Case Fill. Rated up to 550 HP. Dyno Tested. See more product details. Free Shipping - Ships on 10/30/24. QTY. Add To Cart. Add to Wish List. Share this product. Details. Overview., E36 328is & Turbo 325is. How much boost can a M50 stock EVERYTHING handle, as well a M52B28 stock EVERYTHNG? Hey guys, just being curious. I started realizing that when i had my 1.8 motors, they can handle 8 psi on a stock headgasket reliably, but nothing beyond that. Now that i'm a bimmerlover, I was wondering how much can the M50 and M52 ..., How much hp can a stock tranny handle? May 24, 2010 #2 N. nicostang Member. Joined Apr 15, 2010 Messages 118 Reaction score 0. clutches usually go out before the T5. I am not sure but i would say 450-500 is the T5 limit, but the clutch usually dies way before that. May 24, 2010 #3 OP . OP. 9. 94califiveoh Member. Joined, A stock th400 can handle between 400- 450 horsepower: A stock th350 can handle between 315- 400 horsepower : Gear ratios: 2.48, 2.08, 1.0: Gear ratios: 2.52, 1.52, 1.0: A stock th400 costs about $1600, though it can be less if you buy a used Th400 or rebuild. A stock th350 costs about $1200, though it can be less if you are buying a used Th400 ..., There is absolutely no way that an Allison will fit in my truck, so I was wondering if the 4L80 can be built to handle a Duramax and if so what would I need to do with it. At the most I only plan on adding a programmer to the D-max, my truck weighs 5750lbs, has 4.10 gears, 38" tires, and won't ever see trailer loads over 10,000lbs., Nov 8, 2006 ... It's my understanding that with a few hard parts and a few taps with the sledge that it will fit and will handle over 500RWHP. I'm thinking of ..., Texas!!! Feb 25, 2013. #15. I run a 4L80E in the race van. It's the factory combo with the Duramax in the vans. I had some less than stellar results with my "professional" big name builder, but I'm hoping I have better results this year. Since it is the factory setup, I can't provide any input on the conversion, but the only hard parts that ..., At 700+ HP I would upgrade to a 4 clutch intermediate and 6 clutch direct. Stock steels. 4L80E Hi Energy frictions. Use a good full manual VB or t-brake or if you desire automatic function study up on "dual feeding" and eliminating third gear cutback. Stock shafts will work, pretty much good attention to detail on the build., , I daily'd 5psi on the stock W59 5-speed and bone stock rear end until I upgraded to the W58, which is the same case basically but different ratios. I am now at 22lbs of boost, beating the **** out of the truck and racing it in autocross, and the W58 and stock 7.5 rear end with 4.11 gears and Detroit Tru-Trac LSD handle it no problem., The bottom end alone is several grand in parts. 300WHP can be made with the torque that ALH's are already putting down. 400ft-lbs @ 4000 rpm your at 300WHP so it's not that you need to make more torque you just need enough fuel and air to hold it into the upper range., 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., 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., Usually, the 4L80E/4L85E transmission was found in GM vehicles from 1991-2005. It was a heavy-duty, automatic overdrive transmission that had four forward gears and one reverse gear. This type of transmission could handle up to 440 lb ft of torque and up to 7,400 GVW (gross vehicle weight). In 2005, General Motors released an upgraded version ..., A stock th400 can handle between 400- 450 horsepower: A stock th350 can handle between 315- 400 horsepower : Gear ratios: 2.48, 2.08, 1.0: Gear ratios: 2.52, 1.52, 1.0: A stock th400 costs about $1600, though it can be less if you buy a used Th400 or rebuild. A stock th350 costs about $1200, though it can be less if you are buying a used Th400 ..., the completely stock 2.0, from what ive read, can handle an average of 10psi daily. anything higher, you'll need to do some internal work. im going to be running a 8 to 9 psi setup this summer for a daily driver. with a new clutch, the car will be very reliable, faster than a vr, and still get better mileage., 1298 posts · Joined 2005. #5 · Jul 15, 2009. IMHO it all depends on how you drive it. If you drive it like you stole it then it can be taken out with stock to 400HP. If taken care of an not romped daily then it should be fine to 500HP. 2006 Dark Slate F350 CC LB 6X6 Lariat Tow Boss Complete with training wheels., 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 ..., How much hp can stock intervals take. How much hp can the stock internals of a 2017-2018 q50 take? 1. 2 Share., My Infiniti G35x was RWD full time until the rear tires slipped then the AWD kicked in. I don't mean to bust your chops but I don't think u don't have 400 crank hp with the jb4 alone. 250 whp (conservative) stock plus 75whp (conservative) from stage 1 tune, figure 25%ish drivetrain losses makes about 400hp., The 4L80E contains a pan that is oval, while the 4L60E has one that is shaped like a rectangle. The number of bolts that both contain is also different. There is one gasket with 17 bolts on 4L80E models, while the 4L60E pan contains 16. 3. Weight/Size. Because of the application, the 4L80E is much heavier and larger than the other transmission., jetpilot718. 5669 posts · Joined 2004. #2 · Aug 23, 2005. I dont know of anyone changing anything yet.. and also, no one has had any drivetrain issues that this forum is aware of. The number 600whp seems familiar in talking design limits. Like., Nov 12, 2006 ... There are several 300HP 6.5 guys out there, haven't read of any problems. The 4L85E is rated to 460ft pounds I believe, which is a bit ...