Originally Posted by scottydsntknow
235/50/18s are 27.3" diameter, the 235/55/18s are 28.2"... that's a pretty damn big difference. Going to need to get your tune reburnt or get a tune burnt period to get your speedometer accurate. If they fit...
Yeah that's about 2 mph difference at 60 mph.
(On the other hand, the speedometer is only accurate to +/-1.5 mph at 60mph.)
AMWill's comment above re: 5MM difference should really be 11.75MM difference. The 5 is the difference between the profile ratio's 50 and 55. Just saying.
14 V6 auto, MCA, PP, BBK Shorties, MMD Hood Struts, Borla Touring A/B's, MAC ProChamber, aFe drop-in Filter
Lets not forget, an opinion is a judgment, viewpoint, or statement about matters commonly considered to be subjective.