Originally Posted by dyn085
. But he's from Canada, maybe they grow them smaller?
Either way, you are probably close to correct in the mileage lost through additional weight.
lol! indeed, we were 4 healthy adults... not the supersize American format, that's why I'm wondering why I ended up with city results for a flat & steady speed highway trip :)
I already switched from Esso to Ultramar... so I will continue there for a few tanks and compare.
I'm at 1300 miles, and past the break-in period... how much time does it really take to achieve approx. the estimate MPG's (as per Ford)?