Labor Day Putting down your wrenches or time for
MORE wrenching? 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Sep 2011 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2011 Posts: 70 | I'll soon be starting a restoration on my 1957 GMC 450. I'll keep you updated on my progress, I'm sure I'll have lots of questions once I get into it. Here's some photos. | | | | | Joined: Nov 2000 Posts: 1,398 Camp Commandant | | Camp Commandant Joined: Nov 2000 Posts: 1,398 | Nice! What are your plans for it? Yes keep us posted and take lots of pictures.
| | | | | Joined: Sep 2011 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2011 Posts: 70 | I'm going to get it roadworthy and painted for the time being. I'll do a restoration as time allows. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Wow, that truck is big! What size of engine sits under the hood? | | | | | Joined: Sep 2011 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2011 Posts: 70 | The truck has a 347 Pontiac engine with a 5 & 2. The truck is all original with very low miles. | | | | | Joined: Aug 2011 Posts: 71 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2011 Posts: 71 | That is a great truck! Can't wait to see your progress.
1st Gen. Dodge Cummins 4x4 OVRTRQD Buick GNX #276
"If it died... we can fix it" | "If your not outraged, you're not paying attention." | "Do you know a large group of baboons is called a Congress? That explains a lot." ~author unwn
| | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Nice truck, apparently the earlier? ones came w/ GM 503 gassers; I'm looking for one w/ a 4-71.
'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: Aug 2009 Posts: 184 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2009 Posts: 184 | How is the pump driven? My '46 has a drive shaft pto drive that I'm assuming was for a pump at one time. It would be interesting if yours is set up the same.
That is a nice looking truck.
Tad
1946 Chevy OS 1.5ton, 1955 GMC 3100, along with other various IH,Ford,Nash,MGB,.....
| | | | | Joined: Sep 2011 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2011 Posts: 70 | The pump is driven directly from the driveshaft. The pump has a drive out the back that connects to the rear diff. I will be removing the pump and getting the driveshaft lengthened and installing a steady bearing. | | | | | Joined: Aug 2006 Posts: 98 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2006 Posts: 98 | Love the look of the ol girl. | | | | | Joined: Mar 2004 Posts: 6,212 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,212 | Is the parking brake located on the back of the pump transfer case? If so you'll need to make the one on the transmission work again. Mike B  | | | | | Joined: Sep 2011 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2011 Posts: 70 | Fortunately the park brake is still working on the rear of the transmission, however the left rear brake is giving me some grief. It was dragging when I brought the truck home and it has seized up now. Hopefully I can get it apart to see what the problem is. | | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | That joint in the driveshaft where the pump is, is a great place to put a Brownie, in case you have very low rear gears.
'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 2011 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2011 Posts: 70 | That's a great idea Ed, I'll look into that before I have the driveshaft lengthened. The truck does have a 2 speed rear and I don't know which would be better for highway driving. | | | | | Joined: Mar 2004 Posts: 6,212 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,212 | Was there a second parking brake on the rear drive shaft? If not how did they keep the truck from rolling while pumping? It does have hrdraulic brakes doesn't it? I bet the rear will let you go at least 55 mph... Mike B | | | | | Joined: Sep 2011 Posts: 70 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2011 Posts: 70 | There was a Mico Lever Lock system on the truck, it was taken off when the firetruck equipment was removed. There are still some of the parts connected on the truck's brake lines so I have to change a couple of them. | | |
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