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I installed (still have passenger side to do)3 point seatbealts out of a 70's bug. I used the same anchor point as JPS uses for the sholder harness. I anchored that point to the upright pillar at the door post (inside the rear wheel well.) The inertia roller for that system is mounted in the same (upright) position as it was in a VW to the vertical part of the pan/chassis below the rear seat shelf.
My biggest concern was where to anchor the sholder point. That resolved, my next concern is: what happens when the car rolls over and you're belted in an upright position?

Greg B
Greg,
Your roll over question reminded me: In late 1960s I was working for Fisher Body at the GM Engineering Center in Warren (Detroit), Michigan. One day we got a call for each of us to report to a test lab at an appointed time. Upon arrival I was greeted by a sheet metal body fom a Corvair. It was cut off at the dashboard and at the rear firewall. The body was welded to two huge steel hoops perhaps 6 feet in diameter. I was placed in the vehicle, and buckled up the then-new lap seat belts. Then they rolled us 180 degrees upside down and told us to unbuckle the lap belts. It seems that some GM customers had actualy rolled over their new cars, and had problems geting out of the seat belts after the crash. Well, I had no problem getting unbuckled in the lab, but if you did not have the presence of mind to put one good hand on the roof (remember, you are upside down) when the belt came loose, you landed on your head like a sack of potatoes! It was hilarious watching some of the less graceful (and more overwieght) design engineers supply lab data. Now in a real life scenario, add in a lot adrenelin, maybe a gasoline leak or radiator hose leak, and try to get out of your seat belt without breaking your neck. I won't get into roll bars here.

Does anyone else remember when seat belts were a dealer installed option?
George,
I tried to no avail to get photo of the pick up point for sholder belt of the 3 point system.
What I did, was look at the JPS pictures of his sholder belt system and decided that was the correct spot. I drilled the hole there, then I bolted two supports made from angle Iron to go from the chassis to that point.
One support goes from near the top of the upright post on the chassis subframe and ends at the seatbelt pick up point. The other support (to complete the triangle) goes from the strap that Vintage Speedsters uses to support the rear subframe up to the pick up point. I had to bend the support ends where I anchored them a little to get the top of the triangle to meet the body where the seat belt bolt goes through.
Greg B
George,
I tried to no avail to get photo of the pick up point for sholder belt of the 3 point system.
What I did, was look at the JPS pictures of his sholder belt system and decided that was the correct spot. I drilled the hole there, then I bolted two supports made from angle Iron to go from the chassis to that point.
One support goes from near the top of the upright post on the chassis subframe and ends at the seatbelt pick up point. The other support (to complete the triangle) goes from the strap that Vintage Speedsters uses to support the rear subframe up to the pick up point. I had to bend the support ends where I anchored them a little to get the top of the triangle to meet the body where the seat belt bolt goes through.
Greg B
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