01-14-2017, 05:44 PM
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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 had a '90 model 5.0 (302) making over 300 hp & tq to the rear wheels. Drove 1500 miles and changed to synthetic (Mobil One). It did not leak nor could I see it burning oil but it used qt to qt half per 1000. I changed back to dinosaur oil.
My rule is; if the motor was build by the manufacture to use synthetic oil, then use synthetic oil. If not, use the oil the motor was designed to use.
Dwight
__________________
''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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