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Old 09-13-2011, 10:27 AM
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75 cutlass, rear differential swap out ?


I have a 75 cutlass with the original 350 motor and rearend. I wanted to know what rearend I could use to give the car additional pickup off the line?

Thank you.

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Old 09-13-2011, 06:01 PM
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if the engines stock use 3.23 it probly has 2.56 or 2.73 in it now any lower ratio then a 3,23 would make it run high rpms on the free way and 1973 up oldsengine had crappy heads and the engine didnt make much high rpm horsepower
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Old 09-14-2011, 02:17 AM
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A Rear from a 73-77 Chevelle/Malibu, GrandPrix/Lemans & Regal will also fit or just swap the Gears as suggested above.
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