Thread: synthetic oil comparison
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Old 07-04-2006, 08:14 PM
SMGCO SMGCO is offline
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Default Re: synthetic oil comparison
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Does anyone have any current comparisons between Royal Purple, Mobil One, Amsoil, Redline, etc.?

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IMO you should be careful and discuss this with your engine builder before making any changes. Every engine has different tolerances. A few years ago I flattened a solid roller cam soon after looking for a few more horsepower with synthetic oil.
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