06-27-2008, 11:38 PM
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CC Member
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Join Date: Jun 2005
Cobra Make, Engine:
Posts: 3,077
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Not Ranked
Valvoline VR-1 10W30 is good stuff.
I changed my oil today, originally it had 20W50. I went with Valvoline VR-1 10W30 after discussion with the roush tech and other so called gear heads. Roush wants no synthetic until 3K miles. I was concerned about the addiditve changes over the past few years due to catalytic converters but he assured me any 10W30 would be fine since I had roller lifters not flat tappets.
Bottom line with the 20W50 and a completely hot engine I would have about 45 psig oil pressureat idle, today with the 10W30 I had 50 psig at idle after 20 mile trip in 100F heat. Funny thing is when car was cold 20w50 would be about 65 psig where the 10W30 is 60 psig.
Cost $4.30 at Napa and $13.00 for the Motorcraft FL-1hp although the FL -1hp may be overkill, you can get the FL -1A at walmart for $2.99. The car with the 1hp though.
Anybody else heard or use this stuff? |
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