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Old 03-27-2016
lcondosta lcondosta is offline
Senior Member
Join Date: Jan 2008
Location: Holden Beach
Posts: 283

I have used Rotella oils in both my 85 PT 40 and now my 01 HR Navigator with a 500hp Cummins engine as well as Aero Shell in my airplanes. I have always had good luck with Shell products. I have 56K on my Cummins 500HP even going though the mountains pulling my 4X4 P/U truck I had little or no oil consumption. But from personal experience I have changed brands in my cars and stopped excessive oil consumption. P.S I did switch from 50w Aero Shell to a synthetic . Lots of oil leaks switched back to mineral oil with no more leaks. Just a thought.
Lee Condosta
Holden Beach, NC
2001 Navigator / Sold 85 PT 40
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