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Thread: Diff ratio

  1. #1
    Pit Crew Bart2207's Avatar

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    Diff ratio

    Hi

    Can anybody please tell me what diff-ratio is best for a mk2escy-cossy (300bhp)?????
    Would the standard sierra cosworth (3,64:1) ratio do???
    My intention is to use the car as a sunday-afternoon cruiser and the occassional track day. But it has to

    Cheers
    Bart

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    Re: Diff ratio

    How you going to fit the cossie ratio ?

    If its an atlas a 3.75 is ideal, however the 3.44 and 3.22 are the strongest, a 3.09 is common as its fitted to the 2.8i capris.

  3. #3
    Pit Crew Bart2207's Avatar

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    Re: Diff ratio

    Hi Clint

    I'm looking for the Atlas axle. The guy I spoke had a lot of axles with different ratios on stock, including the ratios you mentioned. The 3,75 would be best in your opinion?

    Cheers
    Bart

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