Thread: 6 Speed Manual Upgrade
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Old 09-08-2008, 03:52 AM
NCHornet NCHornet is offline
Powerstroke Techie
  

Join Date: Aug 2006
Posts: 4,198
If you want better milage you are messing with the wrong gears!! You need to change your ring and pinion in the diffs. Just remember your towing will be affected by going to high.

NCH


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