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I run 10.8-1 on the Vette and stock compression on my Camaro. They are both centrifical blowers.
Pretty sure turbo's like lower compression. My builder has a 427ls with a big turbo at 10-1 compression. With 18lbs boost,93 octain and methanol he runs high 7's at 175mph in his street car.
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2010 SS, 230 Cam, ARH headers,Airaid intake, 160 t-stat,3.90 gears 475hp/430tq. -old setup
added- Procharger F1-D, alky control,FIC 96lb,fuel system- 810hp/735tq- 10.3 at 136mph , 1.75 60'. see how long it lasts.
Thanks to Slowhawk Performance.
2008 C6, 427ci,YSI,mcleod clutch,Alky control, built tranny, custom fuel system. 985rwhp, best 1/4 -9.4 at 152mph. still trying to get the shifting down:(
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