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Old 01-11-2013, 09:29 PM
cadillacdave1 cadillacdave1 is offline
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I dont think the 3.08 gears would work well with an overdrive. As I stated in my post, those gears wont, let the motor rev enough on the highway. He will be at 1400 rpm at 65 or 70. Why put an overdrive if keeping the 3.08 gears. The car already will run good on the highway. At .70 final gear in OD the car will ug and won't run right, it wont be in its powerband and wont get goof gas mileage. A car shoul run anywhere from 1800 to 2200 RPM on the highway.
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