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Thread: Fuel quality?
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post #1 of Old 02-16-2015, 01:13 PM Thread Starter
Mario Kart
Junior Member
Join Date: Feb 2015
Posts: 5
Fuel quality?

I just bought my spark and on regular gas the computer tells me I am getting nearly 43 MPG at 55-65mph. Hand calculated it is pretty accurate. (90% HWY) However, my first tank was regular and I am wandering if medium or premium grade will effect MPG?
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