You can do it every 5k, and continue to use the more expensive ester? or another ester based synthetic like Red line, or any standard 5-30w oil like mobile1. I use red line 5-30w synthetic, and change the oil at 5k.
Please use the advance search, there are many threads on this topic.
Last edited by Trips; 10-10-2010 at 03:28 AM.
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