you might want to check your math
if you get from full to not a drop the mustang tank it 15.3 gal.
that would make it 19.6 mpg and you said thats city so thats not bad mpg
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RUN IT STAIGHT AND RUN IT HARD
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Novi 2000
60' 1.46
1/4 10.67
mph 126.5
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