I've got a buddy who races stockcars and swears by Pennsoil. He says no matter how hard he runs them or how hot they get, the oil pressure is always still there at the end of the day. He just swears by it. Anybody try it? I've only got 300 miles on my new red inferno turbo and want the best for it, any suggestions on when to change it the first time to synthetic oil?
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