| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | That bolt pattern is referred to as 5/10, 5 studs on the front and 10 on the rear, 10 on 7.25” circle. Wheels to fit these are rare 22.5” and common 19.5”. Dana 70 and 80 rear axles come with this pattern. 19.5 tires look slightly small to the rest of the truck, but are available.
One can fit modern disc brake spindles and hubs to 2 ton front axles, read Grigg’s articles on that subject here.
Ed
'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.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
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