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Schroth harness question

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Old Jan 26, 2009, 07:37 PM
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Schroth harness question

The links to the pictures in the "how to" thread for the Schroth 4pt harness are all dead and I'm trying to figure out what to do with the OEM seatbelt. I'd be using the Schroth harness 100% of the time but I'm trying to avoid a dummy light on the dash for driving around with the OEM seatbelt unbuckled. Besides the dummy light, I'm concerned it disables the airbag too. Does anybody have pics of their setup they could share?

https://www.evolutionm.net/forums/ev...s-install.html

https://www.evolutionm.net/forums/ev...tallation.html
Old Jan 28, 2009, 11:51 AM
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I just run the OEM seatbelt around the back side of the seat and buckle it while I'm using the harness. Alternatively, get a spare seatbelt from a junkyard or something and just cut out the part you need.
Old Jan 28, 2009, 12:05 PM
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I believe there is a harness under your seat that you can unplug. It should be in-line with the clasp, encased in the black plastic wrapping of the clasp...
Old Jan 28, 2009, 12:22 PM
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Originally Posted by Caffeine Slug
I just run the OEM seatbelt around the back side of the seat and buckle it while I'm using the harness.
I do the same.
Old Jan 28, 2009, 01:07 PM
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I would never use a 4 point harness on the street. Unless it is a track only car (in which case you might as well go with a 5 or 6 point harness), then you should use the factory belt. It will help you slide underneath the lower belt in the event of a roll over and crushed roof. A 4 point will just lock you down into the seat.
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Old Jan 28, 2009, 02:58 PM
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Must be a USDM or GSR thing...I never got a seatbelt light when I put in my 6 point Schroth harness.

Trickest part of the Scroth harness install (besides drilling the floor in my case) was finding a proper bracket to clip the right hand side lap belt to....I just ended up getting a spare seatbelt buckle, cut the buckle off, reversed it and screwed the bracket down along with the OEM seatbelt buckle assembly.

Of course my centre console is out as well - but I mounted an extinguisher there instead.
Old Jan 28, 2009, 03:23 PM
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Originally Posted by Rancid
... then you should use the factory belt. It will help you slide underneath the lower belt in the event of a roll over and crushed roof. A 4 point will just lock you down into the seat.
I don't believe one slides under the lap belt in a roll over.

The only 4pt harness I would consider for street use are the DOT approved Schroth belts with ASM, that are designed to prevent the submarine effect and let your upper body go forward. I would stay away from any other 4pt belt, even for a track only car. Instead go with a 5 or 6pt with a roll cage as Rancid already stated.

Check out:
http://www.youtube.com/watch?v=HR_FhuSEaU8&NR=1
http://www.youtube.com/watch?v=CS6wo...eature=related
http://www.youtube.com/watch?v=bHbwvYqq22s&NR=1
Old Jan 28, 2009, 04:38 PM
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Is ASM an electronic part that works in conjunction with the Schroth harnesses? Also after reading Rancid's post and doing a little research of my own it might make sense to wait until I have a roll cage on the car before installing a harness. I think for autox this might be a really cool little upgrade but for road courses where speeds are higher and rollovers can happen this might not be the best way to go.
Old Jan 28, 2009, 04:56 PM
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I use a CG-Lock in my Evo every day. It holds you into the seat pretty darn solidly and doesn't involve turning your car into a prison cell.
Old Jan 28, 2009, 05:00 PM
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Originally Posted by Rancid
I would never use a 4 point harness on the street. Unless it is a track only car (in which case you might as well go with a 5 or 6 point harness), then you should use the factory belt. It will help you slide underneath the lower belt in the event of a roll over and crushed roof. A 4 point will just lock you down into the seat.


more beneficial info:
http://www.schrothracing.com/main/Engineering

Last edited by Robevo RS; Jan 28, 2009 at 05:04 PM.
Old Jan 28, 2009, 05:19 PM
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Originally Posted by Steiner
Is ASM an electronic part that works in conjunction with the Schroth harnesses?
No. ASMŪ = Anti Sub Marining Technology. Please read this page: http://www.schrothracing.com/main/Engineering

Originally Posted by Steiner
Also after reading Rancid's post and doing a little research of my own it might make sense to wait until I have a roll cage on the car before installing a harness. I think for autox this might be a really cool little upgrade but for road courses where speeds are higher and rollovers can happen this might not be the best way to go.
It depends... it should be your call after some serious research...

I use the Schroth 4pt with ASM at the track (HPDE, not racing) because the probability of frontal impact into a tire wall or guard rail is much higher than a roll over. I prefer to have the added protection in a frontal impact over a 3-pt and the fact that I don't have to fight to remain in the seat helps me concentrate on the actual driving. For a roll over, due to the ASM break a way strap, there will be enough slack to bend my body forward in a roll - not as much as a 3pt, but enough for my personal comfort level. It is a trade-off and you should understand how each decision may impact you. I'm installing a roll bar for this year for added protection.

Ultimate solution is a cage + race seat + 6 pt harness + neck restraint. But many people don't have that luxury so it is a trade off based on your budget and the risk you are willing to take with your life. You should be comfortable with the decision you make and each person's requirements, risk and comfort level differs.

Last edited by xtnct; Jan 28, 2009 at 05:22 PM.
Old Jan 28, 2009, 05:36 PM
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the ASM schroth is a better safety belt then the oem in any circumstances.
TUV approved includes roll over tests etc.
If they approved it then you shouldn't be worry at all.
Old Feb 9, 2009, 09:05 PM
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Ive been considering the Autocontrol II......I ran it years ago on my VW GTI....Very comfy.....http://www.schrothracing.com/product...autocontrol-II

Install the inertia reel at the left rear passenger anchor point.......Review the instructions & its an approved location for the reel.....Use a switch to disconnect pwr & youre fully locked-in for track use

You guys know, running a solid 4 point is not safe unless youre using the "Hans".........The Autocontrol uses a sensed inertia reel & gives you freedom of movement until the sensor sees enough force to lock up

Please review & reply as I appreciate your comments...........Minus-Pre

BTW.....I called Schroth today to review
Old Feb 10, 2009, 06:39 AM
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Originally Posted by MinusPrevious
You guys know, running a solid 4 point is not safe unless youre using the "Hans".........
Running a 4pt belt is not safe unless it is a Schroth with ASM - period. The Schroth belts with ASM are not compatible with a HANS.

Again, I posted this already, please read this link: http://www.schrothracing.com/main/Engineering

Originally Posted by http://www.schrothracing.com/main/Engineering
Current Head And Neck Supports (HANSŪ) provide further reduction of head deceleration and neck bending.

The asmŪ system on all SCHROTH Rallye and QuickFit belts - excluding the new QuickFit Pro - is not compatible the with HANSŪ. Only belts having a center RFR Cam lock can be used with HANSŪ.

We recommend that only non asmŪ belts be used in competition harnessbelts.

Racing harnesses without asmŪ must be worn with an anti-sub strap!
A HANS requires a properly installed 5 or 6pt belt and therefore at a minimum a roll bar & good racing seat. I suppose you could use a 4pt, but why since you would be at a high risk of submarining. See Step 6&7 of the HANS user manual: http://www.darkhorseracingsafety.com...tart_Guide.pdf
Old Feb 10, 2009, 12:15 PM
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^^^ My post was a question posed about the Schroth AutoControl using the inertia reel........Thanks for the reply.

Anyone else have experience or opinion about the AutoControl.......Regards, MP


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