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ss 454 engine info
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Posted: 06/17/07
05:21 PM
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i just bought a 1990 ss454 pickup, to haul my cars around with a little style. i have noticed that in 1992 the factory horsepower rating for this truck went up considerably. does anyone know how? i cant imagine the shortblock changing and would also be suprised if its the heads.i am thinking camshaft? throttle body? maybe just ecm calibrations? i havent been able to find this info anywhere.
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SSedan64
New User
| Posts: 14
| Joined: 06/07
Posted: 06/20/07
12:47 AM
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The only Info I've found is the 91 received new intake valves. Probably Larger.
http://www.454ss.com/Articles_new/ENGINE.asp
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CLYDE1LS7
New User
| Posts: 43
| Joined: 07/07
Posted: 07/11/07
12:32 PM
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Thats a bit newer than the BBC's I like,but a in Jan. 2000' I met a guy who had a 90'or 91'shortbed SS454,he wanted the 92'or newer 454 cause of the new cam and higher comp.it had. Never looked into that myself,but it might help you.
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