08-22-2007, 08:49 AM
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Renegade Nuns on Wheels
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Join Date: Aug 2001
Location: columbus,
Oh
Cobra Make, Engine: Unique 427 roadster with 351C-4B
Posts: 5,129
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Not Ranked
The Brad Penn 20W-50 is a good Group III oils with 1200+ ppm of zinc and will work nicely for a flat tappet motor. I went the rotella route because you can get it at any truck stop or walmart in the country. With the recent reformulation of oils I don't know if the Brad Penn oil has changed, you may want to verify.
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