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  #1  
Old 10-24-2018, 03:38 PM
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orwin orwin is offline
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Default Seat belts

I just ordered front and rear seat belts from Andover http://www.andoauto.com/TBird1.htm These are "aircraft" style and seem better than what's offered from the various Tbird suppliers. Paul was very helpful and is making my front belts with the "eyebolt" type attachment similar to the OEM style.

I know where to drill the holes for the front belts from the TRL articles.

Where are the any dimples in the rear for drilling? The Ford install sheet specifies them and shows a picture. But I can't find any dimples in the panel.

Has anyone put rear belts in? Does anyone have pictures or measurements for the mounting holes?

Thanks,

John
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  #2  
Old 10-24-2018, 04:10 PM
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Default Seat belts

Hi John, here are pix of the installation of front and back black seat belts on Rose. He did the installation before I decided to change out the interior to yellow and white, and later took out the black seat belts and installed white ones (encased in clear plastic to protect them) in place of them. He used the dimples in the floor panels for the front. I do not think he had any dimples to go by for the rear seat belts. So this is where he anchored mine. What you don't see is the anchoring of the bolts from under the car, which as I recall, he also did. The dirty black carpeting up front was, as I recall, because he had taken out the headliner and was cleaning surface rust off the inside of the roof.. If you print out the pix, they are named after the section of the front or back they refer to.. So here are how mine were installed, front and back.
Attached Images
File Type: jpg FrontDriversSeatBelt1.jpg (77.9 KB, 106 views)
File Type: jpg FrontDriversSeatBeltConsoleBase.jpg (134.6 KB, 109 views)
File Type: jpg FrontDriversSeatBeltConsoleBase2.jpg (122.0 KB, 103 views)
File Type: jpg FrontDriversSeatBelts.jpg (98.1 KB, 108 views)
File Type: jpg FrontPassengerSeatBelt1.jpg (81.6 KB, 105 views)
File Type: jpg FrontPassengerSeatBeltAtConsoleBase.jpg (138.8 KB, 107 views)
File Type: jpg FrontPassengerSeatBeltAtConsoleBaseCloseUp.jpg (112.3 KB, 104 views)
File Type: jpg FrontPassengerSeatBeltCloseup.jpg (91.2 KB, 105 views)
File Type: jpg RearLeftSeatWellLeftAndRightbelts.jpg (84.7 KB, 108 views)
File Type: jpg RearLeftSeatWellRightbelt.jpg (94.1 KB, 105 views)
File Type: jpg RearLeftSeatWellRightBeltCloseup.jpg (110.0 KB, 105 views)
File Type: jpg RearRightSeatWellCloseup.jpg (85.9 KB, 104 views)
File Type: jpg RearRightSeatWellLeftandRightBelts.jpg (93.2 KB, 104 views)
File Type: jpg RearRightSeatWellLeftBelt.jpg (90.3 KB, 105 views)
File Type: jpg RearRightSeatWellRightBelt.jpg (97.8 KB, 103 views)
File Type: jpg RearRightSeatWellSeatBelt~LeftSide.jpg (40.6 KB, 103 views)
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Old 10-24-2018, 04:18 PM
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My car is a convertible but I assume the floor pan is the same. This is where I found the dimples. Let me know if this helps or you need more.

Chris
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File Type: jpg IMG_0207_LI.jpg (125.6 KB, 109 views)
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  #4  
Old 10-24-2018, 05:05 PM
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I'm more concerned about the underside plate that these bolts go through.

My father engineered GM's first seat belt bolts. Starting from the bottom, they had 1/2"-13 threads, a larger shoulder (for the belt's carpet plate to pivot and a large hex head, all chrome plated.

These were self-tapping bolts, installed with huge air wrenches set for 100-ft/lbs of torque. Under the floor pan was a beefy square of steel plate, projection welded to the floor pan with a pierced extruded hole for the bolt.

Once the bolt is installed, you would never know that the threads were self-tapping but this was done to give maximum thread depth and sufficient resistance so that the bolt would never loosen without wrenches.

If you install your own belts, 'regular' washers are INsufficient for spreading the 'pull-through' tinsel strength from underneath. Use a square plate of mild steel at least 1/4" (6.5mm) thick and 3" square behind each belt WITH a 1/2" nylon-insert lock nut (nyloc nut) behind it. I see installations that make my skin crawl, like belts mounted to the seat frame. Then, I pray to God they never get in a collision. - Dave
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Old 10-24-2018, 07:22 PM
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Guys,

There weren't any dimples in the rear, but between the pics from Chris and YellowRose I have a good idea where to anchor them.

Thanks,

John
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  #6  
Old 10-24-2018, 07:37 PM
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Default Seat belts

Hi John, I am glad that helped. As for anchoring them on the underside of the car, Dave gave you some very good information. That needs to be done also...
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  #7  
Old 11-01-2018, 04:41 PM
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I used 1/4" think washers that a friend of mine made me, they were about 2.75 diameter, then Nylok nuts. It's a bit of a pain to get in behind because the shocks are there and misc lines. Drill a small pilot hole first to make sure you're not going to hit a line.
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Old 11-02-2018, 12:05 PM
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All good advice, especially the part about pilot holes. Attached pics show locations for the rears. The outer hole has to go between frame rails. On the drivers side there is are fuel and brake lines that are very close. After drilling the pilot hole, I found the center to actually be 1-3/4" from the side panel, 10" down from the metal seam. The inner hole is 14-3/8" from the outer, but not as critical.

John
Attached Images
File Type: jpg IMG_2303.jpg (44.0 KB, 55 views)
File Type: jpg IMG_2306.jpg (50.7 KB, 55 views)
File Type: jpg IMG_2307.jpg (51.6 KB, 54 views)
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  #9  
Old 11-05-2018, 11:07 AM
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I dont have pictures but mine were just bolted through the floor on both sides. But i removed the front belts since the latch wouldnt close to hold them.
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