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Old 06-08-2007, 01:37 PM   #2
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Join Date: Jun 2006
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1997 SC2
Default Re: Rotella T Engine Oil....

Unless your engine is using oil I would advise against it. The 40 weight rating at higher temps will increase the power required to shear it and reduce MPG a bit and sometimes it can even increase oil consumption in a tight engine because it is harder to scrap the thicker film off of the walls of cylinder. If you want to use SYN oil in it, stay with 5w30 in summer unless you live in desert southwest where temps can get to 100 and beyond in summer.


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