I don't really agree on the 1 for 1. If you originally put in 7 qt but when you go in to change and get 6.25 out your going to put 6.25 back in? What if that was burn off or loss as we all know most modern engines eat oil nowadays.Ah ... yeah ... I guess as long as you get the same amount of oil out each time and put the same amount back in each time you would always remain the exact same N quart overfilled.
I still find this whole thing very odd that some swear they drain out seven put in seven and end up right on the line and others are all over the place.
Really makes me think that the engine builders are using whatever parts I can get their hands on. I hope once mine is finally built everything will be sorted.
I would have thought a simple oil change would end up being the big Bronco mystery.
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