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Old 07-31-2011, 11:37 AM
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Huskymaniac Huskymaniac is offline
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Join Date: Jul 2010
Location: Corning, NY
Posts: 1,872
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Re: running synthetic at high mileage good or bad?

Cool, now I don't need to check my manual. I was suprised to see the 5W30 bar extend all the way up to 40C. That's 104F. That makes me feel better about running 5W30 year round in my area. Plus, if you go with high mileage M1, it is made a little thicker than standard 5W30 so it can probably extend beyond 40C without getting too thin.
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1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
2009 Red Toyota Venza, 123,XXX, Mobil 1 5W30 High Mileage Oil
1992 Red Ferrari 348 ts, 82,XXX, Redline everything
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