Wheel width can be determined by tire selection, 9 x 22.5” tires have a desired width, probably 6 or 7”, however they can be mounted on 5.5” original wheels. Check with your tire supplier.

Picture shows 9 x 22.5” tire on ‘60’s GMC 7” wide rim redrilled to 10 on 7.250.

Ed
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IMG_1077.jpeg (306.58 KB, 120 downloads)

'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
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