Going synthetic?
#12
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I changed to Mobil 1 at 70,000 miles, now at 89,000 and no problems. I akso use Mobile 1 filter, I forget the number, but it's the one for old Mopars and Fords. It is a full size filter instead the dinky one that looks like it belongs on Briggs and Stratton.[sm=americanasmiley.gif]