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Your not serious? Todays trucks and cars engines will last a lot longer than any car and truck engine from the 60's if the all conditions are the same.
You mean to tell me that you would rather run dino 10w40 rather than synthetic 5w30? If you think that 10w40 is giving you better protection, go for it.
By the way the new Corvette calls for Synthetic 5w30.
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Just sitting here contemplating contemplation.
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