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Encouraging Mileage results
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07-02-2009, 11:03 AM
Patman03SprCrw
Technical Article Contributor
Join Date: Aug 2005
Location: DFW
Vehicle: two 2003 F-150s
Posts: 10,760
is it a "heavy half" with 7 lug wheels?
the 4.10s help keep you from down shifting often, but you will run slightly higher RPMs on a steady speed.
Patman03SprCrw
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