4L60E - hp and torque rating?
The 4L60-E is rated to handle up to 360 ft·lbf (488 N·m) of torque. It weighs 133 pounds without transmission fluid.
4L65-E
An updated 4L60-E, the 4L65-E (RPO M32), was phased in the 2001 model year when coupled behind the 6.0 Vortec. Five-pinion front and rear planetaries, along with an additional 3/4 clutch allowing 7 clutches in the input housing and induction hardened input shaft assembly, were improved to withstand up to 380 ft·lbs (515 N·m) of torque.
Thanks,
Nice - it will be enough then for my mild build. I'll for sure not be over 300 ft-lbf (400 Nm) on the torque rating. So I will have it rebuilt as I have no time to dig into that as well.
Nice - it will be enough then for my mild build. I'll for sure not be over 300 ft-lbf (400 Nm) on the torque rating. So I will have it rebuilt as I have no time to dig into that as well.
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douglasdolphin
Full Size K5 (1969-1991) GMT415 (1992-1994) Tech
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Jan 9, 2009 03:27 PM




