How much power can a 4L60E handle?
A totally stock unit or rebuild will typically live well with up to 450 flywheel HP/TQ. Above this point the direct clutches will not live long without some hydraulic improvements. Using our modifications or some valve body kits, the direct clutch issues are resolved and the 4L80E will generally be reliable up to the 750 HP/TQ range unless it’s a very heavy combination (over 4500 …
How reliable is a 4L80E?
Apr 21, 2007 · Here's a couple answers: 1. 500HP seems to be the consensus, and maybe 600ft/lb of torque. 2. I believe the TH400 flexplate will work, but the bolts to the converter will change to metric. ARP makes some good ones. 3. Any ratcher shifter for an OD tranny should work, but check the application guide. I know B&M sells a few, and Lokar too.
What is a stage 4 4L80E?
Mar 29, 2009 · Bismarck, North Dakota. It should handle lots of power. From what I read, the 4L80 is designed off the TH400 which can handle over 1000hp when built correctly. So, if GM did anything right with the 4L80, it should be strong enough to …
Why does my 4L80E have so many downshifts?
The Stage 4 4L80E adds the billet intermediate shaft. This makes it reliable to approximately 1000 HP/TQ. It will work at higher power levels if the RPM is less than 7000 RPM. Stage 4 builds are mainly for heavy vehicles, diesel, or large uses of N2O. Stage 5 – Warranted 1500+ HP
How much horsepower can a stock 4L80E transmission handle?
How much power can the 4L80E handle? A totally stock unit or rebuild will typically live well with up to 450 flywheel HP/TQ. Above this point the direct clutches will not live long without some hydraulic improvements.
Can a 4L80E handle 1000hp?
Our PERFORMANCE 4L80E series is ideal for street/strip driving and upgrades from a 4L60E/4L65E platform. It's rated at 1000 RWHP....
How strong is a 4L80E transmission?
Also, the 4L80E performance transmission was designed for cars up to 16,500 lbs GVWR with towing capacity up to 22,000 LBS, and whose engine is up to 440 ft. lbs. (597 N·m) of torque.Oct 7, 2019
Is a 4L80E good for drag racing?
The 4L80 I have is extremely well built specifically designed for drag setups, so it will handle a full throttle 3-4 shift. But your right, I have too much cam for the street use, and my heads flow well, but nothing to sustain 6500RPMs using third gear.
What transmission can handle 1000 HP?
The PerformaBuilt Hydramatic 400 Racing Transmission is a mega-performance transmission capable of +1000 RWHP.
How much does it cost to rebuild a 4L80?
A local transmission shop will rebuild a 4L60E for around $900 to $1,200 and a 4L80E for $1,300 to $1,800, with used units going for about $400 and $600 to $1,000, respectively.Apr 22, 2019
What is the strongest GM transmission?
The 10L90E is by far the biggest and heaviest modern automatic transmission in GM history, but it's also the strongest and offers amazing performance and economy when matched with a Gen V LT engine.Mar 22, 2021
Does a 4l80 need a computer?
In fact, the rear half of the 4L80E is nearly identical to the TH400, and many internal components are interchangeable between the two transmissions. The only downfall of this swap is that the 4L80E is an electronic transmission that generally requires an additional computer and wiring harness to operate properly.Aug 18, 2017
Is a 4L80E a 6 speed?
Designed for GM SBC, BBC, LS and Pontiac applications, as well as Fords and Chryslers, the 4L80E-based TCI® 6x Six-Speed Automatic Transmission is a fully programmable transmission that gives you six forward gears (2.97, 2.23, 1.57, 1.18, 1.00, 0.75) for quicker acceleration and increased fuel economy at cruising ...
Is a 4L80 stronger than a TH400?
4L80E vs. Though 4L80E race transmissions are quite similar to TH400 in terms of strength and parts used, however, there are differences, such as the added overdrive gear, advanced electronic controls, and a lock-up torque converter. 4L80E transmissions have nearly 25% overdrive and are 4 inches longer than the TH400.Jul 7, 2020
Will a Turbo 400 replace a 4L80E?
Very easy. So is just buying the aluminum circle pattern 4L80E pedestal which has the same transfer case bolt pattern. So, if you have a TH400 to NP205 mount, just a bit of work will make it bolt up to a 4L80E and all is well.Aug 2, 2017
How much longer is 4L80E than TH400?
about 4 inches longerAlso, the 4L80E transmission is typically about 4 inches longer than a TH400 (depending on the length of the extension housing), but the trans mount is located roughly 112 inches rearward.Aug 8, 2013
Silkesvarten Veteran Member
The 4l80e how much power can it handle in stock form behind a SB ? Is there any years that are better than others ?
Gary S Administrator Lifetime Gold Member
It should handle lots of power. From what I read, the 4L80 is designed off the TH400 which can handle over 1000hp when built correctly. So, if GM did anything right with the 4L80, it should be strong enough to take whatever you want to throw at it.
Louich Veteran Member
i have a bunch of parts coming from Jakeshoe coming for mine....i really like my overdrives for street cars...
jakeshoe Veteran Member Lifetime Gold Member
450 HP or so reliably, more for a short period of time. Biggest weakness is the apply area of the 3rd gear clutches.
pdq67 BANNED
I want to say that the "80" in it's name mean's it can handle at least 800 pounds..
How reliable is the Stage 4 4L80E?
The Stage 4 4L80E adds the billet intermediate shaft. This makes it reliable to approximately 1000 HP/TQ. It will work at higher power levels if the RPM is less than 7000 RPM. Stage 4 builds are mainly for heavy vehicles, diesel, or large uses of N2O.
What is Stage 3 4L80E?
The Stage 3 4L80E build adds the billet input shaft and rollerized billet forward hub for applications above 750 HP. This build will handle well over 1000 HP assuming moderate RPM range (less than 7000 rpm), average or lighter weight vehicle, and no large N2O usage.