
04-20-2006, 06:10 PM
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CC Member
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Join Date: Feb 2000
Location: Long Island New York,
NY
Cobra Make, Engine: SPF 974
Posts: 737
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Not Ranked
Summer Oil Viscosity
What are you guys running ?? I had Mobil 1 synthetic 15W-50 Racing Blend all last season in my 351W. For winter I dropped down to 10W-30 Mobil 1 mostly for start ups and short jaunts in cold temps. Now I cannot find the Mobil 1 Racing Blend anymore so I switched to Valvoline 20W-50 synthetic oil. Is anyone running a thinner viscosity synthetic than 20W-50 in summer season ?
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