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SSyanide · 10-21-2010, 05:18 PM

The LS1s usually develop "piston slap" at some point in their existance, but I'd definately run 93 octane reguardless. Also, I know it's a pain , but pull a plug or two and check them out if you haven't changed them in awhile.

10-21-2010, 05:18 PM	#2
SSyanide Drives: 2010 Camaro SS/RS Join Date: Sep 2009 Location: NC Posts: 258	The LS1s usually develop "piston slap" at some point in their existance, but I'd definately run 93 octane reguardless. Also, I know it's a pain , but pull a plug or two and check them out if you haven't changed them in awhile.