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Old 03-05-2008, 06:13 AM   #12
ChevyC102007
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Join Date: Sep 2007
Location: Emporium,Pa
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Re: Horsepower rating stock 350??

Quote:
Originally Posted by Blackbird66 View Post
as I've found there are some differences between the two. All 350 Trucks seem to have 4 bolt mains, and only the more performance cars got this.
All truck engines were different from car engines due to this fact and the deck heights were different (9.8" for the car and 10" for the truck motors). As for the heads...truck heads are designed for low end torque, while the car heads are designed for mid-upper rpm horsepower.

Corvettes all motors, Some Chevelles and Camaro motors had 4 bolt main blocks i.e Cross Fire Z/28 RS 302 Camaro (little more than a bored and stroked 283) ZL-1 427 Camaro, COPO Camaro's and 454 Chevelles. The 396 for some reason only had a 2-bolt main block even the 375 hp version but the 402 (bored .30 over) had the 4-bolt main.

Almost forgot the 327
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Last edited by ChevyC102007; 03-05-2008 at 06:19 AM.
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