- May 22, 2012
As many of you know I have no more warranty and im ready to start with some mods. First thing I'm thinking is the pcmforless tune. Can this tune accomplish better low end and increased mpg and still be good for towing. Is wheel size part of the tune inputs? My summer and winter tires are different sizes. 255-55-18 and 245-65-17. Not sure what effect that would have...