Gears
If I go with a set of 3:73's or 3:55's how much should i expect my rpm's to go up on the highway? My car is a daily driver 30, miles to work and at 70MPH I'm at 2100rpm now
It's also a auto with overdrive, how will that be effected?
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1999 GT AODE ,MAC cold air kit,ATS-III seq. turn signals
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