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Old 02-14-2011, 09:52 PM   #7
CC Performance
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Drives: 99 Camaro SS, 79 z28, 70 GTX
Join Date: Oct 2009
Location: ST Helens, OR
Posts: 1,777
We use them as well as line hone every single engine not just the most expensive ones....LOL
GM doesnt. They do/did to the LS7 as well.
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