Second Overdrive in a 4L70E
02-20-2009, 03:13 PM
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Second Overdrive in a 4L70E I know that Chet in tampa has a 96 Impala with a 4L60E in it and also had something that he added to the tranny to give it basiclly 2 extra gears. It basiclly turned into a 6 speed auto 4L60E. Does anyone know what im talking about? I was thinking about getting something like this for my TBSS to help with the MPG. With the 4:10 that is in it, its at 3000 RPM's at 80 MPH. Thanks for the Help
