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SVT Shelby GT500
SVT & Z06 not vs. just SVT & Z06
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<blockquote data-quote="DBK" data-source="post: 1800011" data-attributes="member: 4088"><p>Yeah, there's a whole GM press release on all the Vette sites with the stats. It's pretty f-in close to a race motor. They claims the heads flow 43% better than the LS6 heads, and that's puts em around 360cfm <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /> They didn't put all the cam specs, but with .591/.591 lift, it's clear GM isn't screwing around. 7k rpm redline etc, pretty radical motor for an SBC variant.</p><p></p><p>With heads that flow that well, I won't be surprised if it's a) underrated and b) easy to get 600 horse N/A. Just goes to show the aftermarket can't compete with factory backed developement. I think my heavily worked LS6 heads flow at a bit over 320cfm max and the car makes ~500rwhp on virtually the same lift.</p><p></p><p>Just for kicks I checked and the best numbers I saw for an AFR 225 head with 242cc chambers with a similar bore motor to the LS7 and 2.10 valves was 360.9 cfm.</p><p></p><p>Damn.</p></blockquote><p></p>
[QUOTE="DBK, post: 1800011, member: 4088"] Yeah, there's a whole GM press release on all the Vette sites with the stats. It's pretty f-in close to a race motor. They claims the heads flow 43% better than the LS6 heads, and that's puts em around 360cfm :eek: They didn't put all the cam specs, but with .591/.591 lift, it's clear GM isn't screwing around. 7k rpm redline etc, pretty radical motor for an SBC variant. With heads that flow that well, I won't be surprised if it's a) underrated and b) easy to get 600 horse N/A. Just goes to show the aftermarket can't compete with factory backed developement. I think my heavily worked LS6 heads flow at a bit over 320cfm max and the car makes ~500rwhp on virtually the same lift. Just for kicks I checked and the best numbers I saw for an AFR 225 head with 242cc chambers with a similar bore motor to the LS7 and 2.10 valves was 360.9 cfm. Damn. [/QUOTE]
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SVT Shelby GT500
SVT & Z06 not vs. just SVT & Z06
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