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Old 09-01-2025, 09:55 AM
Skip Fix's Avatar
Skip Fix Skip Fix is offline
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Join Date: Dec 1999
Location: Katy,TX USA
Posts: 21,711
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The ST-10 I got from a 1980 Z28 I think has a 3.42 first gear. Stout 383 SBC and a 3.73 autocrossed the crap out of it with road race slicks!

But I know Larry Navarro who posts here sometimes grenaded a ST10 in his 79 TA with a medium 455., not even power shifting when it went.

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Skip Fix
1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune [email protected]
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
1964 Corvette Coupe 327 4 speed