Th400 upgrades????? Aluminum drums??

Discussion in 'Race 400/430/455' started by Bens99gtp, Sep 10, 2020.

  1. BuickGSrules

    BuickGSrules Gold Level Contributor

    I got a Abruzzi 3 fiddy trans in my street car today and it works fine - going 6.51 1/8 mile and holding up fine - but if I should upgrade one day it could be good to go on a diet and go faster.
  2. Bens99gtp

    Bens99gtp Well-Known Member

    I have always built my own 400, its been one area in racing I have been able to save money my current trans is all stk minus a billet forward hub, 36 element sprag, aftermarket clutches and steeks and a couple roller bearings

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