I would go ahead and pull it apart, most suppliers can ship fast, nothing more frustrating than finding parts don't fit, since this is not modern stuff. Besides, you might find something else needs attention while it is apart.

Ed

Last edited by EdPruss; 11/30/2016 1:49 PM.
'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.