Discussion Starter · #1 ·
Currently I have the SS Magnum 500s on my 69. 15X8 with 4 1/2 backspace,rear tires are 275/60 and fronts are 245/60. No rubbing problems. The new Cragars I ordered have a back space of 4 1/4 and a neg.offset of 6mm. Trying to get it in my head how they will fit. I am getting new tires also. Would like to stay with the same size but now thinlking of going to 255/60s in the rear and 235/60s in the front. The backspace 1/4 inch difference should move the wheel out that 1/4 inch amount. Am I at least correct on that part? Not sure what the neg . 6mm offset will do. Have checked the data base and watched a few videos on U Tube but I would like an opinion from the people on here that have actually done this . Thanks.