Quote:
Originally Posted by Logic
 yes; much hyperbole.
Only a very small amount of the water formed during combustion will get past the piston rings on each power (and exhaust) stroke.
But in my defense; there are a good many power strokes in the average commute.
A 4 cylinder engine at say 4000 rpm has 4000 a minute, or 240 000 an hour.
Then there's condensation and bigger ring gaps in cold engines and all that.
I'll look through these later, but we both know that the water and thus acids formed in an engine sump is an issue.
Nice to turn it to an advantage in this case...
https://www.google.com/search?client...l+acids+formed
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1) This is why 'cold cars' are never tested.
2) Properly done, the entire car is thermally-equilibrated,' achieving the highest-achievable operating temperature for all moving components under whatever ambient outdoor environmental conditions exist.
3) It's also why we're throwing 'caution flags' on your 'results.'
4) The car's mpg will vary by 20% during the 'warming' transition, making any data observed within that period 'garbage.'
5) Data recorded from fully-warmed vehicle road testing is what will later be factored into the ASTM dynamometer lab testing that will follow.