305 hp ratings
12-14-2003, 08:33 PM
#1
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Car: 1985 IROC
Engine: 305 TPI
305 hp ratings
what was the difference in the engines from the first 305tpi in 1985 and say the 1989 tpi 305? The hp rating of the 85 is 215 from the factory and the hp rating of the 89 was 190 what gives?
thank in advance.. kristian
thank in advance.. kristian
12-14-2003, 09:11 PM
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Car: 2001 Trans Am WS.6, 1985 Trans Am-RIP :,(
Engine: LS1, 305 TPI
Transmission: 4L60E, 700R-4
The '85 has a better cam, not the peanut cam of later years.
Matt
Matt
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