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Trucks, Trailers and Hauling for Shows

1947 Chebby 3/4 Ton Questions


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  #1  
Old 04-12-2012, 04:39 PM
GEM GEM is offline
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Default 1947 Chebby 3/4 Ton Questions

I have a 1947 (late) 3/4 ton Chebby pickup with a later 235 in her. I plan on rebuilding her in the near future. Question - how big a trailer can it pull? I am hoping to get a gooseneck installed while I am doing the resto. Any ideas?
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Old 04-12-2012, 04:56 PM
John W John W is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

I wouldn't do that with a '47 running gear and drum brakes. I assume you will be changing it to a twelve volt system so you can use electric brakes on the trailer, but that is a load on that truck.
Just my $.02
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Old 04-12-2012, 06:11 PM
GEM GEM is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

Yeah, I'll be converting to 12v. I've seen other pickups of this era pulling goosenecks, and was wondering about it.
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Old 04-12-2012, 06:12 PM
xplor xplor is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

We used to haul stave bolts with old Chevrolet 1 ton and 2 ton trucks. They used to snap axles when driven hard.
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Old 04-12-2012, 10:24 PM
Kris Golden Kris Golden is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

I doubt they still had 6 bangers - or 6.12 gears.
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Old 04-13-2012, 02:08 AM
Jeff Lauber Jeff Lauber is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

Your truck would have a Huck brake system if its still orginal. They were a poor brake system new and i wouldnt even try to handle a trailer with them. If you was to find a 52 or newer one they had Bendic brakes, which are more like modern ones and a lot more reliable. I fully restored a 47 2 ton in 07. We kept the Huck system only because we wanted to keep the unit orginal.
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Old 04-13-2012, 08:49 AM
GEM GEM is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

OK, what is a "Huck Brake" and how do you tell the difference? Her uncle modified the truck to haul for his business, but I don't know how extensively.

Can't really get a different truck - this one was my wife's uncle's - and he died in 1994.......
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Old 04-13-2012, 12:11 PM
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Default Re: 1947 Chebby 3/4 Ton Questions

If you want to pull a goose neck trailer with it, I think I would swap in a late model Dana 60 rear end with modern brakes, and then check the ads in Street Rodder and Truckin' magazines for aftermarket suppliers for a front brake conversion, or weld in a modern subframe for newer suspension AND brakes. While you're at it, swap in a later overdrive transmission.

Normally I would say to leave everything original, but if your wifes Uncle has already modified it some and your plans are to pull a trailer with it, I'd make those changes and leave everything else cosmetically original.

If you can't find a late model rear end that will bolt in, they can be narrowed to fit.... At A Price !
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Old 04-13-2012, 12:39 PM
Jeff Lauber Jeff Lauber is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

without having the two side by side its hard to tell you the differance. Huck brakes used a floating parallel system with dual adjusters, one for each shoe. They are hard to get set the same and take a lot more pedal presurre to activate. They we built by GM, from the 30's -50's, when Gm finally went with a bendix system, that used a fixed anchor point and a more self energizing brake. Huck wheel cylinders are also prone to get water in them and stick from lite rusting in the piston.

If you seach out Huck brakes on the net, and go to the stove bolt web site you will get a better complete answer to this. I believe the hucks, if used just as the normal driving brakes would be fine, but if you push them hard pulling more weight they will probally fail to provide the stopping power you need.
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Old 04-13-2012, 02:31 PM
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FWurth FWurth is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

It all depends on what you want to end up swith,if the truck is in real good original condition and originality is important, forget any large trailer that requires modern brakes. if you want to do a major revamp the skys the limit. Street rodders generaly save the cab and sheet metal and put a modern super truck chassis under it and can build it up for what they plan to pull. Just like when you order a new truck, you determine what the job requires and order what features you need to get the end result. F.J.W.
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Old 04-13-2012, 03:33 PM
Power Power is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

Don't tow anything with the orig. Brakes - Long stopping distances compared to modern vehicles. High probability of running into someone who thinks you can stop like a newer vehicle. I would convert to brakes made in the last 25 years.
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Old 04-13-2012, 07:58 PM
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Default Re: 1947 Chebby 3/4 Ton Questions

Any pictures of the truck and what's been changed/modified already.

When you say you can't get a different truck because that one was your Wifes Uncles, did you mean you can't get rid of that one to get a different one, or that you aren't allowed to have more than one truck ?

With the sentimental value attached to it, you may want to leave her Uncles truck as is and build up another one for trailer pulling. If it's already been heavily modified, then a few more changes won't hurt anything.
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Old 04-13-2012, 09:54 PM
GEM GEM is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

Well - she is attached at the hip to it, but doesn't mind if I modify it (within reason). She wants to see it on the road again, and I'd like to use it for something other than a "commuter"....

It's got a few "farmer" patches on the fenders, and different (1952) doors, and some smaller stuff, but I'm not sure if he did anything to the brakes.

I COULD get another one, but she wants this one going first! She probably would't mind if I took the body off and stuck it onto a different frame. It's gonna come off anyhow....
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Old 04-13-2012, 11:42 PM
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Default Re: 1947 Chebby 3/4 Ton Questions

Like the guys said, brakes leave a lot to be desired. When this truck was new, roads where not near as good as they are now. 45 was top speed most of the time. Also the 235 was not much on power. I had a 62 with a 235 when I was a young adult. It did good to keep up with traffic, this was a 1/2 ton. If it was my truck, I'd put a late model rearend, disc brakes up front, and power brake booster with late model master cylinder. I would consider a differant engine also. Power steering would help also. These are the changes I'm doing on my 49 International 1 ton.
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Old 04-14-2012, 10:44 AM
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Default Re: 1947 Chebby 3/4 Ton Questions

My 37 Ford 1 1/2 ton got a frame off restoration over a 6 year period 29-35 years ago and while it has been beefed up to 3 ton springs by one of the previous owners to haul a 6,000 pound pulling tractor way back when, and the mechanical brakes work good enough I can lock them up If I Need to, I wouldn't think of pulling a trailer with it.

My 40 International will eventually be going on a 79 crew cab dually frame with a 12 foot bed for hauling things. I haven't decided which engine to use in it yet, whether I'll keep it simple and use my old 63 Chevy high torque 283 truck engine with a 4 speed, a 62 straight six & 4 speed, 64 283 automatic, 455 Olds, 455 Buick, 455 Pontiac, or 500 Cadillac, with automatic transmissions, or try to find parts for them and use either the 62 394 Olds or the 53 331 Hemi in it..... decisions, decisions, decision... Then too I could go with a little 302 Ford, Slant 4 Pontiac (1/2 a V8), 351 Ford, 350 Pontiac, or 56 324 Olds...... Too many engines laying around waiting for something to be used in.

Still hoping to see a picture or 2 or 3 of your 47 'Chebby' to see what you're working on.
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Old 04-14-2012, 01:32 PM
BobRR BobRR is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

I would go with a newer frame. With some measuring you could end up with a late model frame and drive train. If you end up with a computer controled engine they make a small puter (plug&play) so you can stick a late model engine and trans. in anything. You would end up with a neat old truck that runs and drives like a new one. Bob
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Old 04-15-2012, 08:12 AM
Esteban32696 Esteban32696 is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

Just to summarize ,
You have been given good advise above . Don't ignore it & try to tow much of anything bigger that a utility trailer . I see many older trucks towing campers & other heavy loads, but upon inspection, you will see they may have just the body sitting on a newer truck chassis. That will cost you some bucks.
I would just keep the truck original.
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Old 04-17-2012, 12:09 AM
Klicknative Klicknative is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

Take a look around the Stovebolt Forums, lots of info on the "Advanced Design" era trucks

http://www.stovebolt.com/ubbthreads/
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Old 06-03-2012, 12:53 AM
asandberg6 asandberg6 is offline
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Default Re: 1947 Chebby 3/4 Ton Questions

hmms...

12 valve cummins, NV4500, dually (or singles) 14 bolt disc swapped, Ford F350 straight axle.

---------- Post added at 11:53 PM ---------- Previous post was at 11:46 PM ----------

Or if you prefer gasoline, a 500 Caddy with TH400 trans and 3spd brownie.
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