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Old 07-08-2008, 09:17 AM
Gold Bird Gold Bird is offline
Join Date: Nov 9 2007
Posts: 317
Gold Bird is on a distinguished road

Just put in Royal Purple, 15-40. This weight has twice the amount of zinc in it which is supposed to protect our cam,lifters. My car has 58,500 miles and I only drive it from May to October here in Michigan, approximately 50 to 90 degrees temp.
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