Thread: E55 N/a vs SC
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Old 05-06-2007, 04:22 PM
altz altz is offline
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Join Date: Dec 2005
Posts: 112
As I see the comp. ratio is 10.5:1 N/A and 9.0:1 (supercharged)
but what about pistons,rods? Maybe is the headgasket just thicker?
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