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Interesting video
He means hydrokinetic fluidpush.Pumpability Dennis? You sent me looking for my M/W Dictionary. Did you invent that word or is it a San Jose thing?....lol
He means hydrokinetic fluidpush.
That has been my stance all along. I've had a GM powertrain engineer tell me the same thing. I still use 10W30 in my cars that call for 5W.Ford powertrain engineer I know claims 5w20 came about to squeeze that last few tenths out for EPA MPG. His personal take is 10w30 is the best one size fits all oil.