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more HP to turn a 4l65e than a 4l60e ??

Old 05-08-2005, 01:41 PM
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Default more HP to turn a 4l65e than a 4l60e ??

If a replace a stock 1998 Z28 4L60E with a GM performance parts
4L65E, how much horsepower will I lose ?

I heard that a 4L80E costs approx: 50HP over a 4L60E.

I know that a 65 has stronger, [heavier ? ], parts and the 5 gear
planets.

Would 10HP, 20HP, ?? be a good estimate ??

Also, to ALL 04-05 production 4L60E have the 5 gear planets now,
or is this still only in the factory 4L60E ??

Thanks,
Dave


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