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  1. #1

    Default Drive shaft length?

    Does anybody know the correct length of a driveshaft for a C4 and a 7.5 rearend in a foxbody Mustang?
    (Center to center of the u joint cap holes)

  2. #2
    FEP Power Member 81coupe's Avatar
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    Aug 2008
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    Default

    Not 100%, but do think it's was 45.5"
    1981 Mustang Coupe: Rebuilt 91/306, Ported E7's, TF Spring kit, E-303 Cam, RPM Intake, Eddy 1406 Carb, FMS Dual Roller Timing set, March UD pulleys, Summit LT Headers, Summit 2-1/2" Chambered Mufflers w/ 2-1/2" FlowTech H-Pipe/ Flowtubes & 2-1/2" LMR SS Tailpipes. C4 trans with 8.8/ 2.73 Rear.

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