Quote:
Originally Posted by cbaber
I filled up last night and this tank was the first tank with the tires pumped up to 45 PSI. This is my 4th fillup this month, and the others have been around 41-42 MPG. For the tank the only thing that changed was the tire pressure, and I managed 45 MPG. Thats about 3 MPG, or 7%.
I think I can do a little better on the next tank, as 50 miles of this tank were still on 30 PSI. No driving techniques or modifications on this tank. I have one rule, speed limit is 60 mph. I'm going to do a couple more tanks at 44 PSI, then a few at 60 PSI to see what effect it has. By that time I should be ready for my alternator delete (almost done, just need the battery) and power steering delete. With those mods I hope to be around 50 MPG without any advanced driving techniques or aero mods.
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Nice. Definitely ask MetroMPG to change the subject line for you to "45" instead of "15". What was the previous pressure? What is max sidewall?