help with cab mounts
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Cross-Country
Joined: Sep 2010
Posts: 84
Likes: 0
From: Fareham,Hampshire,England
help with cab mounts
Hi Guys , about 2 years ago took the cab off my 1952 f1 pickup , now its time to put it back on ,can anyone post pictures of how the cab mounts assemble as i cannot remember and have a new kit of mounts etc ,regards Bruce
More Turbo
Joined: Dec 2009
Posts: 696
Likes: 48
From: Central Connecticut
There's a good description in the Dennis Carpenter catalog (p.25 in Feb, 2012 issue). It also refers you to P. 317-318 of the 1948-52 Shop Manual. I don't have access to a scanner right now but maybe someone else can scan it in and post it for you if you don't have either of these sources.
More Turbo
Joined: Dec 2009
Posts: 696
Likes: 48
From: Central Connecticut
Just realized you can download the catalog as a pdf file. See page 24.
http://www2.dennis-carpenter.com/pdf/48-56Truck.pdf
http://www2.dennis-carpenter.com/pdf/48-56Truck.pdf
Cargo Master
Joined: Oct 2013
Posts: 2,580
Likes: 29
From: in a barn
In line with this question, what does this block of rubber do?
I just bolted my cab down to the frame for mockup work and the rear of the cab is sitting on the frame rails. Do these blocks get wedged in the mounting arm and keep the cab up off the frame?
Does anyone have a picture of these installed?
Thanks!
I just bolted my cab down to the frame for mockup work and the rear of the cab is sitting on the frame rails. Do these blocks get wedged in the mounting arm and keep the cab up off the frame?
Does anyone have a picture of these installed?
Thanks!
Laughing Gas
Joined: Jun 2004
Posts: 823
Likes: 4
From: Calais, Vermont
The rear of a mounted cab is supported by the two arms. The arms hold it up off the frame and allow the cab and frame to move independently as the frame slightly twists over uneven terrain. The rubber wedges serve as cushions as the cab shifts relative to the frame.
Cargo Master
Joined: Oct 2013
Posts: 2,580
Likes: 29
From: in a barn
OK so right now I have the cab bolted to frame, rubber blocks are missing, and the cab is touching the frame. Does that mean my mounting arms are junk or will the cab raise up some with the blocks installed? Looking at the setup it doesnt seem like rebuilding the arms would do much but maybe I am wrong? I will have to take them apart and see how much slop is in there.
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Logistics Pro
Joined: Jun 2010
Posts: 4,965
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From: East KY
OK so right now I have the cab bolted to frame, rubber blocks are missing, and the cab is touching the frame. Does that mean my mounting arms are junk or will the cab raise up some with the blocks installed? Looking at the setup it doesnt seem like rebuilding the arms would do much but maybe I am wrong? I will have to take them apart and see how much slop is in there.
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Logistics Pro
Joined: Jun 2010
Posts: 4,965
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From: East KY
Here's a discussion about this that I remember. A picture is worth a thousand words.
https://www.ford-trucks.com/forums/1...ame-rails.html
https://www.ford-trucks.com/forums/1...ame-rails.html
Fleet Owner
Joined: Jul 2004
Posts: 27,299
Likes: 1,059
From: NM
The rubber blocks keep the cab centered. Once you pull your arms, I think you'll be surprised how wallowed out they are. Are they the pressed steel type, or cast iron? Replacements are all the cast iron type and are much better IMO. Note when installing you need to put the lower bolt in first, put the rubber block in and swing the arm up into alignment with the cab bracket. Better pic attached
Cargo Master
Joined: Oct 2013
Posts: 2,580
Likes: 29
From: in a barn
Excellent information, thanks guys, I would say that covers that repair so I will get them apart soon. Mine are the stamped steel ones and probably shot. I did buy the MOOG leaf spring bushings to cut up and rebuild them if needed..but..
Just what to those rear arms do anyway? Are they there as some sort of cushion because the stock suspension is too stiff for a decent ride? I am thinking maybe it would be better to lose them and just rubber mount the back of the cab to the frame same as the front. I will have a much better riding suspension with the jag IFS and later model dakota rear springs.
Just what to those rear arms do anyway? Are they there as some sort of cushion because the stock suspension is too stiff for a decent ride? I am thinking maybe it would be better to lose them and just rubber mount the back of the cab to the frame same as the front. I will have a much better riding suspension with the jag IFS and later model dakota rear springs.
Logistics Pro
Joined: Jun 2010
Posts: 4,965
Likes: 261
From: East KY
Just what to those rear arms do anyway? Are they there as some sort of cushion because the stock suspension is too stiff for a decent ride? I am thinking maybe it would be better to lose them and just rubber mount the back of the cab to the frame same as the front. I will have a much better riding suspension with the jag IFS and later model dakota rear springs.
Cargo Master
Joined: Oct 2013
Posts: 2,580
Likes: 29
From: in a barn
HAHA Cob is my middle name, althought sometimes referred to as butcher! 
I have a torch and a welder, we can cob anything.
All modern trucks are solid mouned on the frame (rubber isolators of course) so I dont think it would be a big deal to solid mount it, but the frame may be too narrow for it to be stable in the rear. Would need side mounts to do it right. We shall see, I already have the parts to rebuild the arms so may as well go that way, at least to start!
Just bought the mount kit so now I will have the rubber blocks that were missing as well.
I have a torch and a welder, we can cob anything.All modern trucks are solid mouned on the frame (rubber isolators of course) so I dont think it would be a big deal to solid mount it, but the frame may be too narrow for it to be stable in the rear. Would need side mounts to do it right. We shall see, I already have the parts to rebuild the arms so may as well go that way, at least to start!
Just bought the mount kit so now I will have the rubber blocks that were missing as well.
Phantom of the Phorum
Joined: Jan 2011
Posts: 5,472
Likes: 1,696
From: Kentucky
Just what to those rear arms do anyway? Are they there as some sort of cushion because the stock suspension is too stiff for a decent ride? I am thinking maybe it would be better to lose them and just rubber mount the back of the cab to the frame same as the front. I will have a much better riding suspension with the jag IFS and later model dakota rear springs.
If you mount your cab without the arms, I'm afraid you'll start seeing stress cracks in the body. You may eventually even tear the mounts loose from the floor panels.
Modern truck bodies are engineered for the solid mounts. Actually, if you look closely, they're not that solid. Those donuts have a lot of give to them.
