| Re: more oil talk from rusty. (yah i get the pun) I used Blue Marble in my wifes 99 summit and it gummed up the exhaust valves 2 years in a roww. Switched back to expensive Doo oil and no problems.
Last edited by 1hotxc; 04-04-2008 at 11:22 AM..
Reason: spelling baaaaad
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