Found the GM 4-6-8 speed tranny book to be very helpful for a first time tuner although its a bit pricey @ $200...it does lack in depth details as some sections don't mention any explanation of what...
Type: Posts; User: douginnow
Found the GM 4-6-8 speed tranny book to be very helpful for a first time tuner although its a bit pricey @ $200...it does lack in depth details as some sections don't mention any explanation of what...
From 8th all the way down to 2nd gear? ...wow! I don't let mine shift into 8th until 50mph at 0% TPS so it can't down shift that far...my 2-3 upshift maxes out at 27mph (& max speeds are similar or...
The book advised me to change "all" my up/down shift times to 0.35s...however some of my OEM shift times especially 4-5, 5-6, 6-7, 7-8 were already lower than that (as low as 0.22s) so I took a...
My GM Transmission book that I bought from the Tunning school says don't mess with any multiple upshifts or downshifts so I didn't...personally I checked/modified each value by hand as opposed to...