A Complete LS1 Re Build ?

[6'9"Witha69]

"The 4L65E is an upgraded 4L60E"


Part II: Drivetrain

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B. Automatic 4-Speed (A4)

Welcome to the wonderful world of the 4L60E transmission. Let me be the first to congratulate you on entering the world of the broken trans. The 4L60E is not the cruel tyrant on drivetrain parts that its M6 brother is. It is most definitely MUCH more parts-friendly. Too parts-friendly. So friendly, in fact, that it will break itself before it will break other parts. How noble... The problem is that it does this far too often, and even in full built form, this transmission is just NOT very good for real drag racing. Most in search of 10-second and quicker timeslips find that they are just not able to do it with the 4L60E tranny. They usually end up with a TH350, TH400, or 4L80 (the 4L80 being the only one of those which has overdrive).


I don't know ....
I really want to find a t56 and put a mccleod twin in it but ....

Where did you find that little piece of misinformation?