1974 Scamp What Wheel/tire size question...15x8 b/s?

I have 255/60/r15's on the back with an extra half inch spring relocation given... 15x8's on back 15x7's on front 215/60/r15's on front...

I have 5 inch backspace on back n 4 inch on front...

I think you should be good with 5 inch backspace on a 15x8 inch wheel with 245/55/r15's...

A stock rear wheel well has 11 inches of room from lip to spring...

The section width on a Cooper Cobra 245/60/r15 is 9.5 inches... That leaves plenty of room...

My 255/60/r15's section width is 10.2 so I needed the extra 1/2 inch from spring relocation...

this link press on the specification button...

http://us.coopertire.com/Tires/Passenger/COBRA-RADIAL-G-T.aspx