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Fox-Body Cobras
Super Low HP #s for a Kenne Bell 1.5 Superchared 347
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<blockquote data-quote="LEE93COBRA" data-source="post: 1833157" data-attributes="member: 94"><p>Yeah, a friend and I learned the hardway a couple of weeks ago when we took his car to get tuned. Its a 96 Cobra, forged rotating assembly (dropped compression from 10:1 to 8.8:1), with a Vortech S-trim.</p><p></p><p>This car bone stock plus a 14 psi (actual boost) S-trim put down 523 rwhp/420 rwtq. With the lower compression motor and 16psi boost the car went down to 455 rwhp 400 rwtq. That's right 1.2 or so point drop in compression + 2 more psi ='s almost 75 rwhp less than before. No other changes were done to the car. Just think if he was still on the 14psi pulley, he would be close to 100 rwhp loss just because of the compression ratio drop.</p></blockquote><p></p>
[QUOTE="LEE93COBRA, post: 1833157, member: 94"] Yeah, a friend and I learned the hardway a couple of weeks ago when we took his car to get tuned. Its a 96 Cobra, forged rotating assembly (dropped compression from 10:1 to 8.8:1), with a Vortech S-trim. This car bone stock plus a 14 psi (actual boost) S-trim put down 523 rwhp/420 rwtq. With the lower compression motor and 16psi boost the car went down to 455 rwhp 400 rwtq. That's right 1.2 or so point drop in compression + 2 more psi ='s almost 75 rwhp less than before. No other changes were done to the car. Just think if he was still on the 14psi pulley, he would be close to 100 rwhp loss just because of the compression ratio drop. [/QUOTE]
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Super Low HP #s for a Kenne Bell 1.5 Superchared 347
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