| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | If you only have the cab, it might be worth looking for a conventional truck with 2 ton front axle to put your cab on. Another option would be to find an IFS GM truck and cut the front center section to fit your cab tread. If you are going to that much work, it might be easier to use 22.5” wheels rather than 20” wheels.
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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