From: Gene Pantano (truks@cs.quik.com)
Date: Tue Mar 26 2002 - 18:19:26 PST
Sorry to say this..but...3200 rpm's is a bit high if there is an overdrive
installed. The ideal rpm's at 60 mph are 2400. That is a factory standard
that was established way back in the 40's... If your vehicle is turning
3200...I would have it fixed..!! Gene
> US GEAR makes a nice 2 speed electric overdrive that fits in after
trans.The
> one my uncle installed is a 70% unit and the heavy truck parts guy sized
it
> to the 6.2 l , turbo400 trans,and 255x16 inch tires and speedo is really
> close. Truck cruses at 65 mph, and 3200 rpm's-
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