1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

Gear/Tire Ratio for MPGs

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Old Jan 13, 2011 | 07:33 PM
  #16  
82shovel's Avatar
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From: Tucson, AZ
Do you guys know what the stock size tires would have been on an '89 d250?
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Old Jan 13, 2011 | 07:50 PM
  #17  
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From: Somerset PA
235/85/16
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Old Jan 14, 2011 | 12:45 AM
  #18  
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From: Wisconsin
you also must figure how your speedo will change when you get taller tires. It's tough to know. Personally I would try to go figure out exactly how many rpm you wanna drop before deciding.
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