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SVT Shelby GT500
3.6 KB vs VMP Gen3R test
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<blockquote data-quote="Justin@VMP" data-source="post: 16337429" data-attributes="member: 18468"><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> that made me laugh.</p><p></p><p>In all seriousness though, that 3.6L KB is a bad mo-fo. I was quite impressed by it. As a GT500 owner I would say the biggest downside is hood clearance.</p><p></p><p>There is really no RPM limit on the 2650...at least I haven't found it yet. We've seen 26,000-27,000rpm based on pulley size calculations. </p><p></p><p>The real limit is boost...none of this PD stuff can take 30-40psi like a turbo...too much rotor deflection and heat generation. Keep them under 30psi, preferably low-mid 20s and they are very happy. If you do say 25psi with a VMP TVS we just want to see the car have a good intercooler system with a high volume pump that can move at least 10-12GPM. </p><p></p><p>Regarding the overlay, after many dyno pulls, the torque converter clutch began to not hold very well at low RPM. A little slip skewed the TQ reading lower with the TVS. On a setup like this it is almost to be expected. HP is calculated from straight roller RPM vs time so we know that part is extremely accurate. </p><p></p><p>Temp rise was good on both configurations.</p></blockquote><p></p>
[QUOTE="Justin@VMP, post: 16337429, member: 18468"] :D that made me laugh. In all seriousness though, that 3.6L KB is a bad mo-fo. I was quite impressed by it. As a GT500 owner I would say the biggest downside is hood clearance. There is really no RPM limit on the 2650...at least I haven't found it yet. We've seen 26,000-27,000rpm based on pulley size calculations. The real limit is boost...none of this PD stuff can take 30-40psi like a turbo...too much rotor deflection and heat generation. Keep them under 30psi, preferably low-mid 20s and they are very happy. If you do say 25psi with a VMP TVS we just want to see the car have a good intercooler system with a high volume pump that can move at least 10-12GPM. Regarding the overlay, after many dyno pulls, the torque converter clutch began to not hold very well at low RPM. A little slip skewed the TQ reading lower with the TVS. On a setup like this it is almost to be expected. HP is calculated from straight roller RPM vs time so we know that part is extremely accurate. Temp rise was good on both configurations. [/QUOTE]
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SVT Shelby GT500
3.6 KB vs VMP Gen3R test
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