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4L60E transmisson


TEXASS

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A stock 4L60E isn't really meant to be behind a BBC.

 

The one in my Avalanche has held up pretty well without any issues, but that's only behind a HEAVY truck w/ a stock 5.3L, and only towing every once in a great while. They can be built to handle a decent amount of power, though.

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A stock 4L60E isn't really meant to be behind a BBC.

 

The one in my Avalanche has held up pretty well without any issues, but that's only behind a HEAVY truck w/ a stock 5.3L, and only towing every once in a great while. They can be built to handle a decent amount of power, though.

ur lucky... my yukon has the 4l60e in it and u can drive for a while and it will max line press. and start shifting like it has a shift kit HARD shifts for no reason but doesnt do it all the time.... do u have any ideal why it does that .. i have anthere tranny but if i can get out of changing it

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