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Old 05-05-2007   #6
MunsonGTA
Bad luck or no luck
 
Join Date: Jun 2004
Location: Ravenna, OH
Posts: 1,948



GTA Year: 1987
GTA Engine: Custom
Re: Which Torque Converter for 1991 GTA, 5.7L?

yes you have a 30 spline lockup
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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