arghx7
Well-Known Member
on-road test trips are going to use market fuel, but yeah, anything in the lab (like a 100 hour peak power durability) is going to use fuel out of a big tank that was delivered from a supplier. So the guy whose job it is to drive the car around in the desert on 87 octane market fuel and make sure the knock control system is working will get some exposure to the kind of situations customers get into.Ford is not buying gas from gas stations to test motors. Infact i'd find it highly unlikely they will even use gasoline with ethanol in it for said tests. Let alone the possibility of getting 15% ethanol and then the accompanying water percentage that the ethanol invites.
Worked at a small engine repair place for a few years and did some random tests on fuel from random stations. Eye opening.
You'd be surprised how much water gets into fuel after large rainstorms...
The recently updated emissions certification fuel, used in chassis dyno lab tests, has 10% ethanol in it, but that is standardized lab grade fuel, not random market fuel.
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