Quote:
Originally Posted by sobayshortbed
I see the difference in appearence, but all im reading about is 4L60E and 4L80E transmissions. Is there any difference in getting a wire harness with that trans?
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4L60E & 4L65Es are light duty transmissions, The 4L65E is a little stronger than a 60E. They are great for stock & mild 4.8, 5.3, 5.7 & 6.0s.
The 4L80E & 4L85E are heavy duty truck transmissions, They are heavy, & sap alot of power from the engine, But they handle alot of horsepower & torque. If your not making over 400 horsepower you dont need a 4L80E.
A 4L60E wiring harness can be modified to run a 4L80E & vice versa. The PCM will need to be programed to match the transmission your running.