[Chevelle-list] Wheel size

[Craig and Cerena]

My 69 SS has 235 70 R15 tires on the front, mounted on Cragar S/S rims.  They look good.  The back wheels however are 295 50 R15 on Cragar s/s rims and I don’t like the looks.  The tires are way too wide for me.  I know nothing about determining the size of the rims.  I’d like to replace the rear rims but have no idea what size rims to look for, like what is back spacing?  Any help. I would like to put on rear tires that are just a little wider than the front.   Craig 69 Chevelle SS 396