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Old 08-10-2009, 11:50 PM   #16
chevyss
SS/RS
 
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Drives: 2010 SS/RS IOM w/blk stripes A6
Join Date: Jun 2009
Location: Eastern Washington
Posts: 816
RP for me. You can keep Mobil 1. RP in all three vehicles. Dealer says that I can use what ever I want and it won't do anything with the warrenty. With RP you can run it and just change the filter every three months and do a sample at the lab. I understand the zinc. Thanks for the disertation.
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