New tires, calibration questions.... - Page 3 - Ranger-Forums - The Ultimate Ford Ranger Resource


General Technical & Electrical General technical and electrical discussion for the Ford Ranger that does not fit in any other sub-forum.

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  #51  
Old 07-17-2009
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ah i see. i also noticed that it says 60 on actual, and 53 on the other, so its 7 miles different. so when im going 60, im actually going 67. i understand now thanks. so if i get this speedometer thing we have been talking about, the odometer will be normal again?
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  #52  
Old 07-17-2009
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Quote:
Originally Posted by LancerRevo View Post
ah i see. i also noticed that it says 60 on actual, and 53 on the other, so its 7 miles different. so when im going 60, im actually going 67. i understand now thanks. so if i get this speedometer thing we have been talking about, the odometer will be normal again?
That should do it man.
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  #53  
Old 07-17-2009
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alright cools, appreciate all this help. thanks again
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  #54  
Old 07-17-2009
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The speedo and odo are the same gauge. So if one is off, the other is off by the same amount. The gas gauge is not effected because it works off a float in the gas tank. Has nothing to do with the speedo/odo. However when you calculate your MPG, be sure to adjust for the error. In your case, 13.2%. So if your odo indicates you have driven 300 miles, 300 X 13.2% = 339.6 actual miles driven. If you used 15 gals and divided that into 300 your ans would be 300/15 = 20 mpg. That number would be wrong. You should use 339.6(act miles driven/15 = 22.64 corrected mpg.

Hope that makes sense.
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  #55  
Old 07-18-2009
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well i have an 18-20 gallon tank, not sure. but on average i get 295-310 a tank at a quarter left. i dont go past a quarter unless i have to. but i think i understand what your saying
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  #56  
Old 07-18-2009
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MPG is simple. It's miles driven divided by number of gallons used. Example 310 miles driven, divided by 15.6 gallons used. So 310/15.6 = 19.871 MPG. Next time you fill up, reset you trip odometer to zero. Then when you fill up again, you'll know how far you've gone on that tank. Divide that number by the number of gallons it took to refill the tank.
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  #57  
Old 07-21-2009
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sorry to thread jack, i'm stock at 29.5". if i went to a 31"would i notice this sluggishness with my manual trans?

Last edited by morris; 07-21-2009 at 01:44 PM.
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  #58  
Old 07-21-2009
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hm...its really not much of a different. mine went up alot in size. so thats what threw me off....i cant say its not, but then again i dunno. imo 1.5'' more wouldnt do anything, but im not good with all this.
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