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Old 08-11-2009, 10:05 AM
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Three Point Seat Belts in A 1931 Ford Coupe

I want to install three point seat belts in my 1931 Model A Ford coupe. Mounting to the floor should not be a problem, but there is very little structure at shoulder height on the sides and back. I am planning on welding curved 1" x 1/8" square tubing from the door post back and around the curve to the rear window. Across the back under the rear window I have 2" x 1" x 1/8" thick tubing. I plan on mounting the shoulder point to this piece. I have 3/16" strap I plan on welding to reinforce the diagonal vertical supports.
I would appreciate any opinion about this pro or con. Has anyone else added seat belts to this type of car. Thanks Les
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Old 08-11-2009, 11:16 AM
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Let's put this post in General Rodding Tech.

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Old 08-11-2009, 03:45 PM
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I question if the attachment point is high enough for the over-the-shoulder belt. If it is too low it will constantly rub your shoulder. Although not a 31 coupe but same principle. I made up plates and tapped them for a shoulder bolt. I then welded them in higher than my shoulder while sitting. I then bolted the upper metal attachment for the belt through the upholstery. The belt comes from the floor mounted take up reel up through the metal strap and down across my chest to the buckle.
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Old 08-11-2009, 05:55 PM
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Quote:
Originally Posted by heyjude076
I question if the attachment point is high enough for the over-the-shoulder belt. If it is too low it will constantly rub your shoulder. Although not a 31 coupe but same principle. I made up plates and tapped them for a shoulder bolt. I then welded them in higher than my shoulder while sitting. I then bolted the upper metal attachment for the belt through the upholstery. The belt comes from the floor mounted take up reel up through the metal strap and down across my chest to the buckle.
Ok thanks. I only have one place to weld in the square tubing. Put the seats in and set down, it seems about right. I have decided to weld in two square tubes. one at 90 degrees to the other. It follows the contour of the body. Les
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Old 08-11-2009, 07:59 PM
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Just tossing out a couple of other options here. The first shot is from a '30A which I sold a couple years ago. Four point belt anchored at the top to a steel tube while ran behind the seat and was a part of the roll bar.



This second example is my '31 roadster. I installed the roll bar primarily because I really like at least a 3 point belt. If you have room and things in your cockpit are still pretty open, you might want to consider installing a roll bar instead of trying to tie tubing into your existing body. Just a thought.

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Old 08-12-2009, 07:53 AM
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Quote:
Originally Posted by cboy
Just tossing out a couple of other options here. The first shot is from a '30A which I sold a couple years ago. Four point belt anchored at the top to a steel tube while ran behind the seat and was a part of the roll bar.



This second example is my '31 roadster. I installed the roll bar primarily because I really like at least a 3 point belt. If you have room and things in your cockpit are still pretty open, you might want to consider installing a roll bar instead of trying to tie tubing into your existing body. Just a thought.

Thanks, more to think about. Les
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