I run a TH350 in my. race only, '64 goat (9.07@144, 2600#), only 9 passes as yet, but so far so good. My son built the tranny and used some upgrades. Probably the most important was the TCI intermediate (modified TH400) sprag. In stock form, the 350 would be ok for regular street driving but wouldn't last under hard use behind a 455. I have a turbo-input glide as back-up, just in case.
Bill
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Bill
64 GTO, tube chassis w/606" IA tall deck, PG & a pro geared Fab 9". 2750 lbs.
[email protected]/4, [email protected]/8, 1.1981-60-ft. 8/10/08
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