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Cobra Forums
2013-14 Shelby GT500
I'm back.....943rwhp rebuild
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<blockquote data-quote="biminiLX" data-source="post: 15524622" data-attributes="member: 7795"><p>Thank you Centerforce corporation <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>I'm running a 'seasoned' SPEC SS. I say seasoned because it came out of a members car here (BIRDOC) that made 1200rwhp and ran 8.60s with it. I bought it with a full rebuild kit, and a friend who works locally at Exedy, tested the pressure plate and inspected it, giving it a thumbs up to use. Two funny things to the clutch story.</p><p>First, is Birdoc thought it was an ST trim, but the rebuild kit didn't match the clutch. The rebuild kit was for the higher power ST, but the clutch he ran was a base SS:</p><p><a href="http://www.specclutches.com/704860/" target="_blank">http://www.specclutches.com/704860/</a></p><p>So, he ran hard and the base clutch held big power.</p><p>Second, the shop installed the SS clutch without the new ST discs or FW insert because they said it looked fine (as did Exedy). So, I still have a rebuild kit to upgrade to ST trim.</p><p>If it chatters or I have issues, I'll probably rebuild it as the ST discs are full faced, compared to the puck style SS, and the ST are supposed to hold more power and have better drive ability.</p><p>I personally experienced that when I swapped my puck style SPEC stage 3 for a full faced stage 3+ disc, back when my Foxbody LX was a stick car. </p><p>Back in '07 the LX put down 865/901 on this same dyno, ironaically, so now my street car has more than my race car (LX since upgraded and makes more power).</p><p></p><p>Anyway, I've had good success with a centerforce clutch when my LX was a bolt on 302, and I've heard good results from your DYAD clutch for our GT500s.</p><p>What exact clutch would you recommend for my GT500 if I don't like the SPEC?</p><p>-J</p></blockquote><p></p>
[QUOTE="biminiLX, post: 15524622, member: 7795"] Thank you Centerforce corporation :) I'm running a 'seasoned' SPEC SS. I say seasoned because it came out of a members car here (BIRDOC) that made 1200rwhp and ran 8.60s with it. I bought it with a full rebuild kit, and a friend who works locally at Exedy, tested the pressure plate and inspected it, giving it a thumbs up to use. Two funny things to the clutch story. First, is Birdoc thought it was an ST trim, but the rebuild kit didn't match the clutch. The rebuild kit was for the higher power ST, but the clutch he ran was a base SS: [URL]http://www.specclutches.com/704860/[/URL] So, he ran hard and the base clutch held big power. Second, the shop installed the SS clutch without the new ST discs or FW insert because they said it looked fine (as did Exedy). So, I still have a rebuild kit to upgrade to ST trim. If it chatters or I have issues, I'll probably rebuild it as the ST discs are full faced, compared to the puck style SS, and the ST are supposed to hold more power and have better drive ability. I personally experienced that when I swapped my puck style SPEC stage 3 for a full faced stage 3+ disc, back when my Foxbody LX was a stick car. Back in '07 the LX put down 865/901 on this same dyno, ironaically, so now my street car has more than my race car (LX since upgraded and makes more power). Anyway, I've had good success with a centerforce clutch when my LX was a bolt on 302, and I've heard good results from your DYAD clutch for our GT500s. What exact clutch would you recommend for my GT500 if I don't like the SPEC? -J [/QUOTE]
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2013-14 Shelby GT500
I'm back.....943rwhp rebuild
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