Quote:
Originally posted by guruom:
i am working on 100k on my 95' 4.6L. I have used only synthetic oil mostly moble one, and change my own oil to counteract the cost of the higher priced synth. oil. Anyway it dosn't burn a once of oil. I atribute this to the synth. oil. I drive it hard too.
rock on
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I have always used Valvoline 10-30 (mild climate in NC), changed at 5K miles (all highway). 144K miles now. I wonder if it would be a good idea to switch to the synth oil at this point?