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Re: switching from mobil 1 to Royal Purple
Your engine oil being clean is a bad sign. Clean oil means its just leaving all that stuff behind. Dirty oil means its doing a good job cleaning and retaining everything within the oil, like its supposed to.
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Vortech V2 S-trim, E85, A2A Treadstone, Comp cams, built engine, full exhaust, built rear, built 4r70, more mods.
Tuned by me with SCT Advantage
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