03-17-2014, 08:11 AM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
I have a 347 fuel injected motor in my Cobra. I have used 10-30W dinosaur oil for 40,000 miles. I tried Mobil 1 synthetic for a year but it was so thin it would leak out.
Valvoline VR1 is the oil to use in old motors that need zinc and other additives.
We know this because one of our Cobra buddy has a brother in law with Valvoline test lab.
VR1 has the same stuff in it as Joe Gibbs.
Parts store sell VR1 for $7 a qt.
Dwight
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''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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