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G.M. · 08-03-2020, 08:52 AM

When I was 16 I hung around a small engine rebuilding
shop. He had a stenzel made as a warning not to use any
Penna oil or there would be no guarantee. The Penna. oils
had a heavy gray muck that settled in the pan. G.M.

08-03-2020, 08:52 AM	#14
G.M. Senior Member Join Date: May 2010 Location: Florida and Penna. Posts: 4,471	Re: PennGrade Motor Oil When I was 16 I hung around a small engine rebuilding shop. He had a stenzel made as a warning not to use any Penna oil or there would be no guarantee. The Penna. oils had a heavy gray muck that settled in the pan. G.M. __________________ www.fordcollector.com