Over 60k miles on nothing but SHELL Rotella-T Synthetic, 5w-40, at about $20.00 U.S./gallon.
I sample every oil change (about $20.00 also), and every report has been a glowing endorsement. I try to change every 4k miles, sometimes sooner if I have a trip planned....
Keith
Houston
Ridin'Texas
'04 Speedmaster
AI removed, Pingle, UNI Filter, 1 shim, straight-through slash-cut TORs, Stage 1 DynaJet, 140 mains, 3 turns, 16/42 final drive, 115K
2020 T120 Black
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