The only logical transmission for our 4×4 was the 4L80E four-speed automatic transmission commonly found in 3/4- and 1-ton GM trucks and SUVs. However, the 4L80E can be easily converted to a manually shifted valvebody, which eliminates the need for the computer and much of the electronics and wiring.

What does a shift kit do for a 4L80?

The good news is that this kit will be able to safely handle big horsepower. They also said that this kit will end clutch burnout with the ability to hold 1st, 2nd and 3rd at virtually any RPM. TransGo said the kit will prevent case blow-out and drum breakage due to high line pressure.

What size are 4L80E check balls?

Check balls are 0.250 in. diameter.

How much power will a 4L80E hold?

800 Horse
The GM 4L80E Performance Transmission Level 4 is powered with whopping 800 Horse Power. This automatic transmission gear can also generate up to 700 ft.

How much power can a 4L80E handle with a shift kit?

How much power can the 4L80E handle? A totally stock unit or rebuild will typically live well with up to 450 flywheel HP/TQ.

How many shift solenoids does a 4L80E have?

This set contains the two 4L80E transmission shift solenoids found in the valve body. It is recommended that you replace both of these solenoids at the same time as they tend to go bad together.

Can I use a 4L60E without a computer?

Externally, all it needs is a 12-volt source and an engine-vacuum reference. However, if your trans is, in fact, a 4L60E, running it off a computer is mandatory. Never mind TCC lockup; without a computer, the trans won’t shift at all.

What do check balls do in a transmission?

Fluid pressure causes a check ball that sits in a pocket to block and unblock on orifice that fluid is flowing through or trying to flow through. This controls the timing and redirection of fluid flow.

What are check balls made of?

The new check balls (. 250″) are made out of tough wear- resistant imidized plastic. The imidized plastic balls seal better than steel balls because they conform to the separator plate ball seats.