Quote:
Originally Posted by MetroMPG
the oil drain down question
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Oh man! Slick 50, Castrol and all the others must one day answer for the received wisdom of the masses that 'most engine wear occurs at startup'.
If so, it's more due to corrosive combustion by-products during warmup and not so much of that there cold-start metal-to-metal contact.
(Oh, and once the engine is warmed up, not every start is a grinding big-end rumbling cold start)
