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I have been using delo 400.the local wally world has mobile delvec 15 w 40 about $2.00 less a gallon. both cj4 rated.does anyone use it. what are you'r thoughts .
I have used Mobil 1 Delvac in both of my 6.0L Excursions. See signature. 2003 from new, 2005 after 60,000 miles. I DID lose the HPOP on 2003 at 150,000 miles, but I don't this was caused by the oil.
DELO IS LOW EMISSIONS AND DELVAC IS THE PROIR OIL BOTH I BELIEVE ARE CJ4 OR+ RATED, BOTH ARE WHAT MOST BIG RIGGS USE,THEY CALL IT THE MILLION MILE OIL.