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Re: what oil do you use?
In winter I use 5W-30 of Quaker State High Mileage or Pennzoil High Mileage. In summer I am going to use 10W-40 of Quaker State High Mileage.
Quaker State HM has a surprisingly good viscosity index. The 10W-40 will not get excessively thick at ambient temperatures and will remain thicker at summer operating temperatures to help reduce leaks. HM oils also have greater cleaning ability and seal conditioners.
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Tony
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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