Quote:
Originally Posted by Wes8398
You'll probably GAIN gas milage with your city driving, and lose a bit on the highway ... reason being is that your smaller gears get you off the line with less effort, so stop and go driving will be easier. But higher RPM's on the highway with yeild a little more gas consumption. I would say it probably all evens out in the end.
To the thread starter - that calculator, is it only for 5spd trannies? Or is my 97 GT auto in there somewhere and I missed it?
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heres a formula i derived. you can work it out by looking up your gear ratios for your transmission.
RPM=[(miles per hour)(Trans Gear Ratio)(Rear End Ratio)(336)]/(Tire Height in Inches)
you can use that for automatic transmissions if you just look up your gear ratios on google or something
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