For old iron ... My first choice would be Cen-pe-co. Second (which is what I use, the former is too pricey) Rotella T3 or T4. Change at the 10 to 15k mark depending on soot / when it starts burning off.
T4 5 gallon buckets go on sale regularly at tractor supply. I think the normal price is 63 bucks in my region.
Which is the best oil?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by fr8wurx, Mar 13, 2013.
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