For the last 2 days I’ve been reading the old threads on this subject, but can’t find the answers that fit MY needs. My car is a 79 Elco, the front will have tubular control arms, 1/2 inch taller upper ball joints, 2000 Camaro brakes and spindles. The rear will be a G-Body Ford 9 inch, stock Gbody width with the Ford discs. I’m getting 17 X 8 wheels. I want to have some sidewall for a decent ride, so nothing below a 50 series. The wheels have a 4.5 backspce, 0 offset. So what would be the biggest size I can fit without having to do any mods?
Tire size suggestions
- Thread starter Doug Chahoy
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Look at this link
tiresize.com
Looks like a 215/55R17 might fit what you're looking for.
Tire Height Chart
Easy to read tire height chart. Use our tire height calculator or browse our tire height chart to find the tire height that is right for you.
tiresize.com
I thought our cars could take a taller tire especially the rear. Like a 255/60X17Look at this link
Looks like a 215/55R17 might fit what you're looking for.Tire Height Chart
Easy to read tire height chart. Use our tire height calculator or browse our tire height chart to find the tire height that is right for you.
I was thinking like a tire salesman with about stock height tires to match the width of your wheels & something with a sidewall like you want. Those look to be a good fit as long as you don't get too much drop in the suspension. This is from that link I posted:
255/60R17 tires have a diameter of 29.0", a section width of 10.0", and a wheel diameter of 17". The circumference is 91.2" and they have 695 revolutions per mile.
Generally they are approved to be mounted on 7-9" wide wheels.
Stock diameter was 26". Aim for that in the front, especially when lowered, to limit rub at full lock.
I really appreciate the chart ( Pagrunt) I’ve referred to it about 20 times already. Reading all the old threads on what other members have used makes it kinda confusing. I’m going to be getting Moog #s 5660 & 5413 springs for a close to stock height. I’ll go with the 215/55 X 17 on the front. Could I get by probem free using the taller say 255/60 X 17 in the back, or bigger?
I’m looking at 255/60 R17s for the rear on an 17X8 wheel. I’ve checked the size charts, would they fit problem free?
I believe those tires have a 10.04 in. section width. You should have about 5.5 in. from your drum mounting surface to your frame (my Regal does) With an 8 in. rim the tire is going to be 1.02 in. wider that the rim on both sides. 4.5 backspace plus 1.02 = 5.502 DO YOUR HOMEWORK.
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