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  1. #1
    Crazy SVT Poster
    Join Date
    May 2004

    Question rear-end & transmission

    im going to change to some kind of oil do you put in the 5 speed on a 96 cobra,is it a gear oil or can i use like mobil 1 and lucas oil,and my rearend is a 373 posi,so what do i put in it,and what weight,and how much does it take in the rearend and the tranny.
    2010 gt500 convertible kona blue with silver stripes,shelby 20inch wheels,stock for now.

    1999 cobra convertible all forged engine
    bbk headers dr-gas x-pipe magna pack mufflers
    bama tune,mgw shifter roush cold air intake
    but going to sale soon

  2. #2
    HIGH-REV HORROR SnakeBite98's Avatar
    Join Date
    July 2003
    San Diego
    the tranny needs tranny fluid, not sure what the T-45 uses, maybe Mercon III, but you can get the redline or Royal purple equivalent. The diff. takes gear oil, 70w90 with one bottle of ford friction modifier. i think the tranny takes just over 4 qrts and the rear takes like 3 i think.
    1998 Cobra
    Magnaflow Magnapacks
    Bassani o/r X
    WMS Upper Pipe
    Accufab Throttle Body
    SSR Short Runner
    IMRC Deletes
    Screamin Demons and Livewires
    FRPP 4.10's
    TKO 500 and SPEC stage II
    Tweecer R/T Tuned

    Need to retune and hit the dyno for new numbers!

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