A thinner oil isn't necessarily bad. People often think a thicker oil is better because it raises the oil pressure. True but the down side is it reduces oil flow. Thicker oil raises oil pressure because it can't flow as easily through all the places it needs to go. If high oil pressure is your goal go with something really thick. Oil pressure will go through the roof but your engine will suffer due to lack of lubrication.
A thinner oil flows easier so you're moving more oil through the system which helps with cooling and filtering of the oil.
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Hank
70 Chevelle SS396(454), M20, 3.73
My Chevelle
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08-27-2014, 07:16 AM
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