Tire size
April 30th, 2020, 07:58 PM
#1
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Join Date: Mar 2020
Location: Boston, Ma
Posts: 45
Tire size
Hey guys! Looking to upgrade tries. I have SSII 14" now, need new skins but is it worth it to upgrade to 15"?? What fits best? Not sure how big I can go on the tire with 14x7. 72 cutlass supreme convertable. Thanks, Jack
May 1st, 2020, 05:22 AM
#3
Old(s) Fart
Join Date: Mar 2007
Location: Northern VA
Posts: 47,444
About the best choice for 14" tires readily available today are the 225/70-14s. These are as close to the stock size as you can find without paying big money for the repro tires. 245/60s are a whopping 3/4" wider than the 225/70s, but they are a lot smaller in diameter and in my opinion look lost in the wheel wells.
May 12th, 2020, 11:37 AM
#7
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Join Date: Jun 2014
Location: Ft. Wayne, IN
Posts: 1,204
15" rims give ~1/2" more room for disk brakes that are larger than stock. All 14" rims work with factory disk brakes except early SSIs (and probably 14" steelies too........but I've not seen those discussed being used w/ disk brakes).
May 12th, 2020, 01:01 PM
#8
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Join Date: Feb 2013
Location: Phoenix, AZ
Posts: 13,879
Yes, 15" will fit with no issues. My Dad bought a 1970 Supreme in 1977 with a set of 1977 Monte Carlo wheels and 225-70-15 tires and there were absolutely no fitment or rubbing issues. He kept that tire size for years then I switched to 255-60s on back and 245-60s on front again with no fitment or rubbing issues.
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