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Old 10-16-2011, 04:53 AM
Gene K Gene K is offline
Dodge Ram Forum Senior Member
Join Date: Jan 2011
Location: USA
Posts: 312
Gender: Male
Vehicle: 2010 Ram 1500 Crew Cab 4x4
Trim Level: ST
Color: White
Engine: 2008-???? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
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Gene K is on a distinguished road

An obliging tech could tell the truck it had smaller tires and increase the top speed.

Factory 20's are 634 rpm per mile. You could change that to say 700 rpm and that would raise top speed to 116 mph. You would have to live with a truck that goes 10 faster than the speedo shows though. It would also make the odometer read low.
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