Thread: 7.3 fuel mileage advice
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Old 02-09-2008, 10:56 PM
99bigred 99bigred is offline
Compression Ignition Addict
  

Join Date: Jan 2008
Location: Covina CA
Posts: 578
getting a taller tire will help the highway millage, keep the rpms lower. you could probably get 15 with a few mods
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