| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | I don't think there is a power steering box that fits all AD trucks, every situation is different.
I converted my '47, first series to 4WD, outside the frame, cross over steering, Scout Saginaw box.
My '37 GMC got a P3500HD front axle(5 and 10 lug wheels) w/ disc brakes, factory P3500HD Saginaw box, mounted outside frame, fore and aft motion, drag link shortened 1", other wise stock linkeage.
Saginaw GM boxes are pretty much the same, just use different pitman arms for crossover(4WD) or fore and aft(2WD) steering. If one takes any pitman arm and small 3 corner file, remove the factory skip spline, then can be used either way.
GM factory frames frequently crack from power steering stresses, it is useful to make a frame doubler to spread out some of these loads, use all 4 mounting bolt locations if present, as well as taking care of mounting obstacles.
'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.
|