Will I have spedo/odo problems changing the wheels on my 87 240 to accomodate 195/60-15 size tires instead of the standard 185/70-14. I want to put new 15x7 wheels on it and will thus need to up the tire size. I was looking into vigo turbo wheels but I can spend a little more and get brand new wheels from a place like Tire Rack. It is nice knowing they are new and have no rash, they are straight, and they will not look tired and used. I really don't want to change them if I am going to mess with the spedo/odo on the car. Would I have to find 14" wheels and keep the same size tire on to keep it from being affected? Any help is appreciated! Thanks.