I don't like to tempt fate, I change mine as close to 3K as possible. I don't get nutso if I go over that though. It also depends on your driving habits, traffic conditions (Stop and Go vs. Hwy) and all the crap in the air where you live, especially dirty, dusty roads.
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Final 500 #448-OCA Preservation Class Winner, Final 500 Alero #219, '02 Bravada
I am officially addicted to Olds
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