BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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Mod | | | Forums66 Topics126,780 Posts1,039,291 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: Dec 2011 Posts: 90 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2011 Posts: 90 | So who has power steering and what gear box are you using or did you tap the original | | | | | Joined: May 2005 Posts: 8,877 . | | . Joined: May 2005 Posts: 8,877 | In reference to what year/model truck?
| | | | | Joined: Dec 2011 Posts: 90 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2011 Posts: 90 | 1948 4400 but it has a 389 v8 in it. Im just wondering what box people are using
| | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | 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.
| | | | | Joined: Sep 2006 Posts: 1,276 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 1,276 | My 56 has a scout box and cross over steering.
If you can make the link to my photo bucket account work there are many pictures of my steering system there. | | | | | Joined: Mar 2011 Posts: 667 Shop Shark | | Shop Shark Joined: Mar 2011 Posts: 667 | Most of the PS upgrades I've seen to older units have been all over the place and just "made to work". I'm having to go that route on my '46 skool bus. The original box was inside the frame and in the way of the new motor (a Cummins 4BTAA) so I'm working on installing an Isuzu NPR unit that fits on the outside of the frame. Lots of building to do but hey... | | |
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