Thread: 6.4 Powerstroke
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Old 07-22-2012, 01:39 PM
slowleak1 slowleak1 is offline
LawnSite Senior Member
Join Date: Feb 2008
Location: harvey LA
Posts: 532
Everyone needs to keep in mind that higher ratio rear ends will NEVER get anything past 12-13.

For what its worth, the mileage y'all are getting is actually pretty good when you compare it to dodge and chevy. Delete the emissions and get a good tune for it and watch those numbers climb.
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