The Driveway Engineer guides you through doing basic checks on a 4L80E donor transmission including fluid inspection and air checks…
How To Tell If Your Junkyard 4L80E Is Any Good
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Technical Info
Racing your 700R4/4L60E? Start with these Basic Upgrades
You want to race your 700R4/4L60E transmission, here are the minimum upgrades to help your driveline stay in one piece at the race track. [More…]
How To & DIY
How To Identify a 4L60E Transmission and Decipher Case Tags
Various case changes and other differences in the 4l60E Transmission variations since 1993 are discussed with a full list of Tag ID meanings. [More…]
Technical Info
3 Most Common 4L60E Transmission Problems
3 most common problems found in a GM 4L60E transmission; 3-4 Clutch Pack Failure, Broken Drive Shell, Worn TCC Regulator Valve are discussed. [More…]