At 11: 1 compression on our stock motor, then adding 9 lbs of boost is a recipe for disaster, add winter cold denser air, and the added pressure on ring lands/rings, rods, pistons is greatly amplified... If is was my engine, I would bullet proof the rotating mass first...and lower the compression, 11: 1 compression for a NA motor is fine, but adding forced induction to that equation is going over the top...
A stock engine with 11:1 CR and boosted to 9 lbs is going to get fried, just a matter of when it happens. You want the rotating mass to have a GOOD margin of strength before you consider adding a SC, and at 9 lbs, I'll also be looking at valves/springs... start with a stout motor and it should be ok, I would also stay away from canned tunes... have it dyno tuned by a specialist in the field, hope you get it all resolved man!
2011 GTCS Candy Red;Premium leather interior package, Remote start, security package, upgraded speakers, 6MT 3:55. 35% tint all around, Borla "S" axle backs, & clear corners.
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