I messed up thought this was for drive belts, the title sounds like belts, not harnesses , I change them when I get a new car

 

Yes, title is misleading.
I replace my harnesses when I get a new car.
When I raced I know there was a requirement for replacement. Same issue here. New car before time to replace. The only time I would replace them would be after a collision, or serious roll.

 

Marketing. Nothing else. Should I also replace the seat belts in my truck?

 

XR does your seat belts in your truck get wet or muddy and last but no lease do they get sunlight on them for 8-10 hours a day?

I have never thought about changing my harnesses every two years. I do know
The Harness I wear at work I have to replace it every two years.

 

Interesting read.

 

I kinda have to disagree. Seat belts (Harnesses) simply don't fail. You can look at the NTSB research on the subject. I can see racing organization like SCORE requiring it, better safe than sorry. I have to agree its just a market plan to sell more stuff.

 

And you should change your automobile oil every 3000 miles. So says the oil companies. Coincidence?

 

Crow Enterpizes has a recertification program.

Crow Belt Recertification

 

I have harnesses in my RZR. They are Sparco 6 point. My mate rallys his car and the belts are lifed for European events due to FIA regs. He's never rolled or had an accident so I fitted them to my RZR. My RZR is kept in a garage with very little natural light.
I''m more than happy with them and have no intention of replacing them.

Heres my mates car in current form, at a recent event where I service crewed for him

https://www.ewrc-results.com/image/345049/

Here it was in it's full racr trim when it was a Ford Works car. Theres no tobacco advertising on sports cars now

https://www.google.com/url?sa=i&rct...mKZ&ust=1524687496628479&psig=AOvVaw0XgdE4EhQ4Cp_-us4o8mKZ&ust=1524687496628479

 

I'm going to replace mine only because I replace my machine about every two years. I don't agree with PRP though. If you clean them and dry them properly the webbing will last a good long time. You need to inspect the webbing and mechanicals often, and if you actually use them, like in a crash or rollover expect them more thoroughly especially the stitching. But they are not wearing out in two years or five under normal circumstances. My thought would be sun exposure poses the most risk of degradation. These two and three inch belts are way over kill. A 1/2" strap would do the job, but it wouldn't feel so good!

 

Quite the sales tactic to scare people with premature harness failure to get them to buy new harnesses.

 

It's no sales tactic to scare people to buy new harnesses. The SFI rating only lasts 2 years and this required by ALL sanctioning bodies governing racing. I understand this is not racing but the same principles apply. Harnesses will degrade over time....

 

USAF has standards for UV exposure on parachute harnesses. Varies depending on the latitude of where the aircraft normally flies and is parked when I was last working them; can't say what current standards are. But basically saying that UV exposure definitely has an effect, depending on situation (roof, parking, etc).

 

They need changed when they no longer are able to do the job they where designed for


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And you find out when you roll it and they fail?

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Shhhhh, let people believe what they want. It helps guys like me who pick up "old, worn out" harnesses from my buddies for free every 25 months.

Rocked a set in my rock crawler for 8 years that I got from a drag racing buddy. Rolled that buggy at least 10 times in that 8 years, harnesses did their job.