You'll have to stick with a 40 sidewall. Doesn't necessarily mean you'll be stretching though. A 225 width will do just fine but if you go with a 45 sidewall (unless you use a 215 width) your speedo will be considerably off, and you don't want that. Plus with a 215/45 tire you WILL stretch.I don't like stretch but I want bigger sidewall cause I'm running 18x7.5 with 225-40 and I want to lower to 17x9 but would want more meat than my actual profile, that's why I thought going 45 instead of 40
No problem. With the 235s, the overall diameter of the tire is about a third of an inch more than stock, so your speedo should hardly change, if at all, and you won't need to worry about stretch.Well thanks for the help guys, I guess I'm going to stick with the 235/40.