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mpg math

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Usmc1stin
 Post subject: mpg math
 Post Posted: Fri Feb 25, 2011 7:30 pm 
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Joined: Wed Feb 09, 2011 10:57 am
Posts: 15
so, my stock tires on my 2004 tj rocky mount edition had 30" tires and 3.73 ratio

i get 222miles on 16.8 gallons of gas, coming out to 13.5 mpg. now since i have 35's im trying to figure out how far i really am going since i havent re-geard or changed the speedo gear. if anyone can figure this one out, please reply. thanks!
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RON @ SUPERCHIPS
 Post subject: Re: mpg math
 Post Posted: Mon Feb 28, 2011 10:05 am 
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Location: SUPERCHIPS
Web://www.bgsoflex.com/speedo1.html

Do a google search, this is what I found.

Ron

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RON @ SUPERCHIPS
 Post subject: Re: mpg math
 Post Posted: Mon Feb 28, 2011 10:08 am 
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Speedometer Error Percentage


Web://www.webcalc.net/calc/0787.php

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Chris Whitehouse
 Post subject: Re: mpg math
 Post Posted: Mon Feb 27, 2012 10:01 pm 
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Fwiw my EVIC digi-mpg readout on my '02 Overland is horribly inaccurate. I'd recommend filling up tank and driving till empty nearly. Then refill and use miles driven by gal to refill.
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RON @ SUPERCHIPS
 Post subject: Re: mpg math
 Post Posted: Tue Feb 28, 2012 9:48 am 
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Chris Whitehouse wrote:
Fwiw my EVIC digi-mpg readout on my '02 Overland is horribly inaccurate. I'd recommend filling up tank and driving till empty nearly. Then refill and use miles driven by gal to refill.



I agree!!

Ron

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