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View Full Version : Need some advise on wheel sizing for a 1970 Cutlass convertible



93HULK
03-22-2009, 01:23 PM
A buddy of mine is putting together a 1970 Olds Cutlass Sup convertible. He is wanting to run 17 inch wheels. The car is stock height and has a stock width rear end, disk brake front with drum rear. He is wanting to run 10 wheels in the rear and 8's in the front. What back space would he need to run and what tire size do you recommend? The car is being built to be a daily driver. He does want to run a little taller tire in the rear. Thanks for the help. :)

724tim
04-18-2009, 04:49 PM
I have a 1971 olds convertible
17x8 front tire size 245-45-17 backspacing 4.5"
17x10 rear tire size 275-40-17 backspacing 4.75"