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Old 10-31-2011, 02:24 PM   #177
ryridesmotox
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Quote:
Originally Posted by Dave-ROR View Post
Are the compression numbers stated? That'll tell you.

Personally I'd be shocked if it didn't require 91 octane.
True stuff... Hopefully it will be less than 11.0:1 but seeing as they are trying to get 200+hp n/a out of the engine... I forsee that being closer to 12.5:1 which would be definitely pushing the knock resistance of 91/93 octane at anything above saaaay 8psi... unless you go ethanol or race gas.
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2010 Chevy Cobalt SS
Treadstone Performance Stage 3 kit: CAI, Charge Pipes, TR8 intercooler, Maf Relocate, 52MM Turbosmart BOV, 3 inch catless downpipe, 3 inch catback, borla XR1 muffler, Exedy Hypersingle, TWM short throw shifter, 24PSI HPtuned by Terminator2 on E85/91
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