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SVTPerformance's Chain of Restaurants
Road Kill Drive-Thru
Blown 03 Mach 1 vs new BMW M3
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<blockquote data-quote="DRK HRS" data-source="post: 15831135" data-attributes="member: 175785"><p>Apparently, the impeller blades are trimmed shorter on my P1SC-H than a normal P1. This was from a Mach 1 Procharger kit ordered around 2012. They supposedly did this to keep the boost down on the high compression stock Mach engine. Also means it has to spin really fast to reach this boost level so the efficiency is low. My peak boost is actually about 17 PSI at redline, but it actually starts LOSING power after 15 because of the IAT!</p><p></p><p>And my compression ratio is 8.5:1 now with the Termi short block swap. Pretty low.</p><p></p><p>Just another reason I need a D1 upgrade!</p></blockquote><p></p>
[QUOTE="DRK HRS, post: 15831135, member: 175785"] Apparently, the impeller blades are trimmed shorter on my P1SC-H than a normal P1. This was from a Mach 1 Procharger kit ordered around 2012. They supposedly did this to keep the boost down on the high compression stock Mach engine. Also means it has to spin really fast to reach this boost level so the efficiency is low. My peak boost is actually about 17 PSI at redline, but it actually starts LOSING power after 15 because of the IAT! And my compression ratio is 8.5:1 now with the Termi short block swap. Pretty low. Just another reason I need a D1 upgrade! [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Kill Drive-Thru
Blown 03 Mach 1 vs new BMW M3
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