MarkV
Senior Member
- Joined
- Nov 24, 2014
- Posts
- 1,244
- Reaction score
- 520
- Location
- Ontario, Canada
- Ram Year
- 2003
- Engine
- 4.7 Magnum V8 NOW with Moose Power
How much would changing from a 31" tire to a 33" affect engine rpm and fuel economy? I want to get a big bigger tires and not lose much fuel economy and engine lugging on hills.