Mileage can be a mystery.
I had a 260 Falcon that that I did everything to enhance mileage. The best
I ever got was 21 MPG going 50 MPH. A friends mom had a much heavier Montego
with a 302 and got 24 MPG going 65 MPH. Go figure.
My '91 Mazda 323 buzzes at 3,000 RPM and if I drive 55-60 MPH I get 43-45
MPG. So, in all these cases engine size, vehicle weight and RPM don't seem
to add up right. My '73 Valiant won't get over 14.7 MPG - PERIOD. Changed
the heads to swirl port, mileage cam, dialed in Edelbrock carb., Edelbrock
Performer intake, - drive like "Granny." Doesn't matter 14.7 MPG. Others
claim their heavier Mopar Lux-O-Boats get 20-24 MPG. Again, go figure.
I would love for a TV show to find two identical cars, - with significantly
different mileage. Pull them apart and determine why the difference.
Tom
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