I use 0w-30 Mobil 1. Good stuff, and I noticed a substantial improvement in mileage when I switched from Valvoline SynPower 5W-40. SCC used 0W-30 in their project 2.5RS, which was turboed. So I figure it's good enough for my slow ass ride. Oh and the cheapest place to get Mobil 1 is definitely Wal-Mart, in case you guys are buying from auto parts stores. They have all the Fram filters too, including double-guards.
Khail
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