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Old 02-28-2011, 09:55 AM
FX4OR FX4OR is offline
Ford Tough
Join Date: Dec 2010
Posts: 417
Default Re: Could new plugs and wires improve gas mileage?

I'd drive with a gps and see if theres a gross discrepancy between it and the speedometer to check the dealer's claim about the tire size. Which I really doubt. Only fx4 trucks came factory with 31s afaik
2002 Ranger FX4
4.0L SOHC, 5R55E Auto, 4.10 8.8 Torsen, 31x10.5/15 BFG ATs
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