I personally will not change my oil before 5000 miles. Usually once I hit 5000, I wait till I am home to do it. I've run it up to 7500 miles before. On that oil change I took a sample for Blackstone, and I plan on sending it in for an analysis and TBN reading once I have an extra $30 lying around.

[color:"green"]-Matt R

'99 Tropic Green LX, Zetec, ATX