whats your RPM at 70mph, with what gears.
#12
KickinAssAndTakinNames
Thread Starter
i couldnt remember mine exactly so i just went for a drve.
60mph 15rpms
70 19
80 2k
thats pretty good. i think i have the 3.42s, my tire is 285/60/18 according to a tire calculator thats 31.46
but its time to quit takeing a dump of the line
60mph 15rpms
70 19
80 2k
thats pretty good. i think i have the 3.42s, my tire is 285/60/18 according to a tire calculator thats 31.46
but its time to quit takeing a dump of the line
#17
TECH Senior Member
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275/60/16 - (TT3000 stall) 4l60E - 3.42s- 68mph was 2000rpms 14.5 town/ 21 interstate (70mph)/ 24 highway (60)
275/60/16 - (Stock TC) 4l80E - 3.42s- 71mph is 2000rpms 15.5-16ish town/ 21 interstate / 24 highway
Still gets bout the same gas mileage except in town
275/60/16 - (Stock TC) 4l80E - 3.42s- 71mph is 2000rpms 15.5-16ish town/ 21 interstate / 24 highway
Still gets bout the same gas mileage except in town