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Cheapest everything, Costco 5 gallon 80w-90, $12/case motor oil.:redneck:


One thing I've seen proven is Castrol GTX motor oil (regular, not synthetic).  Auto tech class in high school rebuilt several V8 motors and put a different brand oil in each.  Broke them in, ran them a good while then drained the oil and started driving.  All the motors failed pretty fast except the one that had had the Castrol in it kept running 10x longer than the others.  Could have been a fluke but when I feel like splurging on brand name oil thats what I get.:awesomework:


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