
Full Answer
How much power can a 4L60E handle?
A well built 4l60e can handle some serious power. We have cars running 500-600 and 700 rwhp as the power increases of course the odds of failure do increase but we have had very good results. Generally a stock rebuild is not adequate for much more than general bolt ons however.
What is the difference between a 4L60E and 4L80E transmission?
The 4L80E is a descendent of the proven TH400 transmission design. It is very rugged, has much more potential for power capacity than any other overdrive transmission on the market. It has better power flow for big power applications, much more clutch capacity and apply area than the 4L60E.
What is the weight of a 4L80E?
The 4L80E weighs 178 lbs in typical configuration. A 4L60E weighs approx. 135-140 lbs, a TH400 weighs 135 lbs, a TH350 weighs 125 lbs. All weights are without converter and dry with stock components.

How much power can a 4L60E hold?
Their Stage 2 Pro Race transmission can handle gobs of power while their Invincible Black Edition 4L60E trans can support over 1,000 ponies.
Can a 4L60E handle 500hp?
We found a used 4L60E out of a small-block Chevy-powered 1999 van for $200 and decided on a budget upgrade to handle roughly 500 hp. This decision was shaped by the knowledge there are lots of performance upgrade parts from Sonnax and TCI Automotive.
How much torque can a 4L60E transmission handle?
Stock GM 4L60E is rated at 350ft/lb of torque. If you are going to spend $2000 - give RPM Transmissions in Indiana a call.
Can a 4L60E handle 1000HP?
supports up to +1000HP.
Can you make a 4L60E stronger?
If you're amassing parts for your 4L60E build, opt for the sun shell on the right from Performance Automatic. This is a thicker, stronger shell with a hub that can take large amounts of torque and not break.
What should I upgrade on my 4L60E?
Highly recommended upgrades to the 4L60E transmission.Rebuild manual.Rebuild kit.Shift kit.Accumulator pistons.Separator plate.Torque converter.Electronics.
Which is better 4L60E or 700R4?
700R4: The Good And The Bad. Shifting over to the 4L60E side, the main advantage of this transmission is that electronics eliminate the need for a TV cable and that whirling dervish of weights and springs to establish shift control.
Can I replace 4L60E with 4L80E?
Upgrading from the 4L60E to the 4L80E is akin to going from a Dana 44 axle to a Dana 60--you'll add some weight, but also add durability. According to GM Powertrain information, the 4L60E has a maximum engine torque rating of 360 lb-ft and a maximum gearbox torque rating of 610 lb-ft.
What does a shift kit do for a 4L60E?
In short, an automatic transmission shift kit modifies the transmission's shift timing in order to dramatically increase shift firmness and durability of the transmission components.
What transmission can handle 1000 HP?
The PerformaBuilt Hydramatic 400 Racing Transmission is a mega-performance transmission capable of +1000 RWHP.
What transmission can handle 600hp?
Performance Automatic introduces it's 765R4 transmission, a 700R4 unit built to the max! When you need a non-computer controlled overdrive able to take an easy 600 horsepower, this is the one.
How much HP can a 4L80E handle?
In short, Performance Automatic yields a 4L80E engineered to handle 700+ horsepower and comparable torque.
Why do they cut grooves in gears?
They also cut grooves in the gear (left) to allow for better lubrication to the planetary assembly. This greatly improves what is historically a weak point in the transmission. In fact, most planetary failures can be traced back to a lack of adequate lubrication under load. See all 23 photos. 08.
What does PerformaBuilt do to the valvebody?
Much of what PerformaBuilt does to the valvebody is classified, but they perform a number of modifications and upgrades. There is a Sonnax 2-3 shift valve upgrade, all new solenoids, and a new wiring harness. The rest is hush-hush. See all 23 photos.
How does a cast aluminum transmission pan work?
So, to keep things cooler they run a deep pan with a filter extension. The heavy-gauge cast-aluminum pan allows for an additional two quarts of transmission fluid, which enhances cooling under extreme conditions.
What is a 4L80E transmission?
The 4L80E is a descendent of the proven TH400 transmission design. It is very rugged, has much more potential for power capacity than any other overdrive transmission on the market. It has better power flow for big power applications, much more clutch capacity and apply area than the 4L60E. Simply put, from a design and engineering perspective, ...
When was the 4L80E made?
4L80E production started in 1991 and continues today. 1991-1996 cores are essentially the same and interchangeable with some minor updates and differences. The 1991-1993 cores had a poor electrical connector at the pass-through of the case. Many have been updated by now, and if not they would need a new harness anyway.
Does a transmission take more power?
It DOES take more power to accelerate or decelerate the heavier mass. So what this means to the average enthusiast is the faster your car, the more power the transmission will consume. This applies to all transmissions. Power loss through the transmission will increase the faster you accelerate it.
