Oil
#3
Senior Member
#4
Senior Member
#5
Senior Member
You haven't?
#6
#7
^+1, I'm with Munkeebutt on this one. I'll drive a ton of highway miles....then a ton of city miles, so the % decrease per mile can vary wildly depending on the type of driving you've been doing. Its best to play it safe sometimes and just change it at 5000 (typically 50% life).
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#10
Senior Member
Lots of opinions with no basis in fact.