Regular or Synthetic Oil?

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#24 (permalink)

04-15-2009, 06:53 PM

zrayr

CC Member

Join Date: Aug 2007

Location: NE Oklahoma, OK

Cobra Make, Engine: Fords

Posts: 544

Not Ranked

I use Mobil 1 15w-50 in my Paxton supercharged (flat tappet) 289. Been using it for 22,000 miles now, no wear, no leaks, no problems. It has 1200 ppm of zddp, about the most you can get w/o going to a racing oil or the Mobil 1 V-twin oil (1600 ppm zddp).

http://www.mobiloil.com/USA-English/...1_15W-50_.aspx

http://www.mobiloil.com/USA-English/...t_Engines.aspx

Z. Ray

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