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10-14-2018, 12:15 PM | #1 |
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!931 body on a 1929 frame
I imagine this has been done before but what needs changed to fit a '31 body a roadster on a '29 frame? Just the front crossmember or can the radiator height difference be worked around or dealt without changing crossmember?
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10-14-2018, 12:48 PM | #2 |
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Re: !931 body on a 1929 frame
As you know, the radiator will sit too high and the hood will not fit well at the firewall. Raise the body and get a larger gap under the body and above the splash aprons. Then the front of the rear fenders will be a bit short trying to reach down to the running board. Not much but noticeable until you try to align the hood. A bit better if you eliminate the rubber pad where the spring and mounting bolts are at the sides.
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10-14-2018, 01:03 PM | #3 |
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Re: !931 body on a 1929 frame
I think my beloved '31 roadster is sitting on a '29 frame. I think that 50-60 years ago someone did this but at least they used a very nice '29 frame and the engine must have been very low miles as it has not been touched.I suspected the misalignment in the hood when I got the car or shortly after but it wasn't too alarming.I thought the front crossmember looked okay like a picture I saw of the difference between the two.What I just discovered upset me as the stoplight switch that a '30 and a '31 use which fits in crossmember no mounting holes for it and current stop light switch is a early one on transmission. I get one good day and a couple bad ones but I gotta get it back together.Probably the most disappointing old car project for me in 54 years,you think I would have learned by now.So many other good roadsters I could have bought for about same money. Suppose after 87 years they all have their skelletens.
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10-14-2018, 01:19 PM | #4 |
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Re: !931 body on a 1929 frame
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10-14-2018, 11:04 PM | #5 |
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Re: !931 body on a 1929 frame
A straight edge across the frame at the support pads will tell you what you need to know . Radiator needs to be off and fenders are also in the way. There's always the serial # to see if it is 29 or later. Service bulletins show this change clearly. Steve Pluckers site is helpful if not, much more. Bring a lunch if you go.
Last edited by 100IH; 10-16-2018 at 12:11 PM. |
10-16-2018, 09:22 AM | #6 |
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Re: !931 body on a 1929 frame
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10-16-2018, 09:39 AM | #7 |
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Re: !931 body on a 1929 frame
This is good to know that thiss is something that has shown up on others,thank you. I will have the front end off for awhile waiting for the Berg radiator so mayby I will run across a correct crossmember.A NOS one sold on Ebay 2-3 weeks ago I saw it but did not know at the time I needed it or mayby the daunting task of riveting has me concerned. Wish a local street rodder who owns a beautifully restored '30 roadster would let go of his chassis soon instead of butchering it.
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10-16-2018, 12:20 PM | #8 |
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Re: !931 body on a 1929 frame
Don't forget to check the pads, someone in the past may have already changed the front cross member. Riveting the cross member can be a daunting task to do correctly. Need to build a big heavy buck for inside the frame. Takes a REAL RIVET GUN and not an air hammer. and is a 2 man job using heat. Often the cross member will cost about the same as a whole frame.
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10-18-2018, 09:02 AM | #9 | |
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Re: !931 body on a 1929 frame
Quote:
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10-18-2018, 09:17 AM | #10 |
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Re: !931 body on a 1929 frame
Unfortunately, the exact location of the holes aren't shown. Unless you are building a high point car, I'd leave the early switch in place.
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10-18-2018, 09:37 AM | #11 |
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Re: !931 body on a 1929 frame
Wow,thank you very much appreciated.I actually have the correct '31 switch and I think the only thing I need to do is drill the three holes.I think the correct rod is in place with the mushroom head that comes close to th crossmember.The location should help me transfer the first hole for the actuator and your picture shows me the mounting holes are vertical.again thank you.
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10-19-2018, 08:10 AM | #12 |
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Re: !931 body on a 1929 frame
Dick, I think now 24 hours later that you are most correct in your suggestion to leave the early switch in place. No point in struggling to place holes in the proper position for a car that is never going to see a car show let alone Model A Club judging. The early switch that is in place works just fine so I guess if it ain't broke,etc. Also too many other issues to correct.
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