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It all depends on where your torque is and what your redline is. If you have a hot high reving naturally aspirated small block, you want lower gears around 3.73 or so. If you have a high torque lower rpm engine (not too radical big block/forced induction small block) you want higher gears around 3.08.
This all boils down to matching and optimizing your whole drivetrain (engine transmission/rear end) as an integral unit. Getting this right is what makes the difference in a fast car, and an "ok" car!!!
Ed
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LIFE IS TOO SHORT TO WORRY ABOUT GOOD GAS MILEAGE
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Utinam logica falsa tuam philosophiam totam suffodiant!
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