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H.P. Difference?

Posted By: dboy2 On: 07-05-2008 @ 11:39:12         Reply | Edit
Does any one know what the difference is on early LT1's (275 H.P.) & later LT1's (285 H.P.) What is it in the engine that gives the extra 10 H.P., or is it just B.S.?

Thanks.

Posted By: MyBlack96Z28 On: 07-05-2008 @ 12:06:38     Reply | Top | Edit

I always heard it had to do with the dual cats that were on the later engines ('96 - '97).
--
1996 Z28 A4, 3.23 gear, leather, No T-Tops,
factory chrome wheels
Purely stock except for Callaway Honker CAI
--
1996 Z28 A4, 3.23 gear, leather, No T-Tops,
factory chrome wheels
Purely stock except for Callaway Honker CAI
[ Edited on 07/05/2008 @ 12:07:23 ]

Posted By: nostylt1 On: 07-05-2008 @ 14:25:38     Reply | Top | Edit
they have an lt1 and an lt4 which is still classified as an lt1 the lt4 came with a different cam valve springs and retainers
--

its stock

Posted By: mystic95cam On: 07-06-2008 @ 10:39:53     Reply | Top | Edit
It was for the dual cats on the 96-97 (and some 95) cars. However, there's no seat of the pants difference.
--
Steven, 96 Z28 M6, 04 Nissan Frontier


Posted By: Z07coupe On: 07-07-2008 @ 21:43:13     Reply | Top | Edit
I'm a new guy here, and I have a question about the exhaust systems of the 94-97 LT1 Camaros. We have a 93 six speed with an aftermarket single cat and exhaust. Can we put a 96-97 dual cat system on the '94? Would a normal 96-97 aftermarket system simply bolt on? I'm thinking of TPIS headers, with an exhausst that is not overly loud, with no drone.

Thanks for the advice.

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