Regular or Synthetic Oil?

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#27 (permalink)

04-15-2009, 08:58 PM

Mastiff107 Mastiff107 is offline

CC Member

Join Date: Jul 2006

Location: Fox Island, WA

Cobra Make, Engine: '66 Shell Valley, Original "K" Code 289

Posts: 210

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If you want zinc, Shell Rotella-T and Valvoline's are the only 2 left I know of. Have to run Rotella with my solid lifters. After observing a lot of Harley's running synthetics, I noticed (as have meny others) weeping around the heads. It's easier to see on a bike than a car engine. I will stick with fossil.

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