Well I like the way my trans drives and I haven't broken any shafts. The output shaft is just my only big concern with my current setup because I know it's the real weak link. I usually play things safe and I know the 60E's output shaft is LONG and not very thick, therefore it can't handle a ton of torque especially in a heavy truck. I will, however, be sure to contact you if I am ever graced with the opportunity to swap in an 80E.
~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~
With your weight, anything over 400rwhp is on borrowed time with a stock shaft. They can and have lived way beyond that, it's just not reliable past that. They way the trans is setup can also dictate the life of it.
Are you saying that with the FLT lvl 4 4L60 I have in it, that the OUTPUT SHAFT might last longer??????Originally Posted by built408
~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~
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