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| Racing seat belts | |
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| Tweet Topic Started: Nov 18 2013, 10:38 PM (1,013 Views) | |
| Damienqwerty | Nov 18 2013, 10:38 PM Post #1 |
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Geocentric
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My parents seem to think my new geo is a bit unsafe compared to my big ole suv Im giving up. To ease there mind a little bit I'm thinking about installing some racing seatbelts from ebay. Does anyone have any experience in installing aftermarket seatbelts in there goed?
Edited by Damienqwerty, Nov 18 2013, 10:39 PM.
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| metromizer | Nov 19 2013, 12:14 AM Post #2 |
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I have a lot of experience installing racing harnesses in vehicles... The biggest problem with a car with a backseat, like a Metro, is the lack of 'shoulder bar' to attach the shoulder straps to. Every rules-legal roll bar or cage has what they call a shoulder bar, that goes behind and slightly below the driver's shoulders, across the car, connecting the down bars of the main hoop, behind the seats. Some autocross cars without cages, adapt a crossbar of sorts, lower B pillar to lower B pillar, that serves as and anchor for the shoulder straps, which is worth looking into if you can fabricate. The downside is you loose the ability to easily use the back seat. For mounting the lap belt and anti-submarine belts, you need forged eye anchors, and huge, thick fender washers that go through the floor and are backed up with the washer. A quick search for NHRA rules, will likely lead you to a PDF of the safety section that shows pictures. |
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| tanzytinkerz | Nov 19 2013, 12:18 AM Post #3 |
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If you don't mind not having a back seat, I mounted my harnesses to the rear seatbelt holes in the rear. There is a threaded hole in the side pan next to the seat on the bottom of the door. And I used the hole for the seat belt buckle on the inside of the seat. |
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| Damienqwerty | Nov 19 2013, 12:42 AM Post #4 |
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Geocentric
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Whould it be possible to go through the top part of the seat for the should straps and attach the To the body of the car on the floor. Or maybe attaching the straps to the frame of the seat. I'd like to find a away to keep my rear seats usable. |
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| tanzytinkerz | Nov 19 2013, 01:01 AM Post #5 |
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well if you use the rear seat belt holes you won't have rear seat belts lol but yes I suppose you could keep the rear seats. |
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| mdc689 | Nov 19 2013, 03:47 PM Post #6 |
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Advanced Member
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I assume you are talking about a 5 point harness. they make floor mounted harness for the shoulder belts. its not quit as good as a roll bar mount but they do make them. |
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| Coche Blanco | Nov 19 2013, 03:57 PM Post #7 |
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Troll Certified
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Stick with what your car came with. Racing seatbelts are going to make you look like a tool and provide little to no improvement in safety. Tell your parents you want them to pay you the difference in gas if they're that worried about your safety. |
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| perfesser | Nov 19 2013, 07:36 PM Post #8 |
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Elite Member - Former Metro owner
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The laws of physics say your parents are right. In a contest with a "big ole SUV", all the seat belts will do is make it easier to locate the body. |
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| MarkNstein | Dec 4 2013, 06:35 AM Post #9 |
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Member
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How about some old mustang shoulder belts? hooked to the bar on the roof under the headliner. It's seems simple and cheap. Idk I would like to have a seat belt that wasn't attached to the door. If the door is open you can climb out of the car with the seatbelt buckled. That would be bad if it happened on a sharp turn or a crash, seems too easy to fly out of the seat.
Edited by MarkNstein, Dec 4 2013, 06:48 AM.
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| Metromightymouse | Dec 4 2013, 07:14 AM Post #10 |
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Powdercoat Wizard
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Sure, as long as you don't mind eating steering wheel and windshield in a crash. That bar is not designed to take that kind of load and will likely at least bend a significant amount, if not rip completely off. Follow the how tos and put 95 up seat belts in it.MMM |
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| perfesser | Dec 4 2013, 12:55 PM Post #11 |
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Elite Member - Former Metro owner
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I was cleaning the garage last year and came across the seat from one of our old Formula SAE race cars. I also found a 5-point Simpson seat belt harness. ![]() My wife wanted me to throw away an old office chair that our last feral cat had torn up pretty bad. I now have a garage chair with a racing seat and a 5-point Simpson harness. She asked me why. I told her if, after being married to me for 39 years, she had to ask "why" she would never understand the answer!!
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| Metromightymouse | Dec 4 2013, 02:43 PM Post #12 |
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Powdercoat Wizard
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I'm pretty sure my wife wouldn't ask why, but she would roll her eyes.
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| perfesser | Dec 4 2013, 03:12 PM Post #13 |
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Elite Member - Former Metro owner
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Yeah, I got that too!! |
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| Freeman | Dec 23 2013, 08:04 AM Post #14 |
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The Family Man
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Please stop. Racing seat belts are part of a SYSTEM. They require fixed seats and a roll cage. When your car rolls the stock seat belts let your head/neck roll to the side to prevent being crushed. A racing harness will not be this forgiving. That is why there is a roll cage. Also, fixed seats are a major plus for a racing harness. They will not crush like a factory seat. The factory seat with a racing harness may compress your spine in an accident. A racing harness will just be trouble in the event of an accident. Also, stray away from eBay. The racing harnesses on there are not even DOT approved, much less approved by sanctioned racing. They are made of cheap material and probably won't last through a crash. If your parents are really worried about your safety, they will take you to a defensive driving class instead. |
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Sure, as long as you don't mind eating steering wheel and windshield in a crash. That bar is not designed to take that kind of load and will likely at least bend a significant amount, if not rip completely off. Follow the how tos and put 95 up seat belts in it.
7:38 PM Jul 10