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Harness lap-belt mounting alternatives?

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Old Oct 28, 2003 | 12:22 PM
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Default Harness lap-belt mounting alternatives?

I'm getting my harnesses mounted up, preparing for an HPDE this coming weekend, and I'm running into a problem. I'd like to not have to drill any more holes after my rollbar went in, so I'd like the belts (other than the sub-belt, which I think is just unavoidable) to mount to stock locations. The right driver's side belt can't do this though, being that the original latch is connected to the seat (which will be removed for a Pro2000 by the way). Is there anywhere else I can mount it, or do I need to just drill that hole and use a backing plate?

Just to clarify, I did spend an hour searching for an answer to this, and only turned up threads that posed the same question but never really got answers.
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Old Oct 28, 2003 | 12:34 PM
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Default Re: Harness lap-belt mounting alternatives? (sscguy)

http://www.sandmracing.com/ssabelt.html

Has a section where they used the stock seat without drilling a hole in the tunnel.
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Old Oct 28, 2003 | 12:48 PM
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Default Re: Harness lap-belt mounting alternatives? (thk)

he said he was removing the stock seat.

You need to drill that hole and use the backing plate. Sorry.
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Old Oct 28, 2003 | 01:24 PM
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Is it safe to mount a harness to the roll bar like that?

i thought it was supposed to act as a guide bar, not a mounting point

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Old Oct 28, 2003 | 01:36 PM
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Default Re: (phantom_sol)

Umm... are those shoulder belts doubled back correctly? or is that just a fit test?
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Old Oct 28, 2003 | 01:37 PM
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Default Re: (phantom_sol)

yes, mounting the harness to the rollbar/rollcage is the right thing to do.
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Old Oct 28, 2003 | 01:45 PM
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Default Re: (bulldog_RS20)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bulldog_RS20 &raquo;</TD></TR><TR><TD CLASS="quote">Umm... are those shoulder belts doubled back correctly? or is that just a fit test?</TD></TR></TABLE>
Yeah, they aren't threaded through there correctly at all! Look like they're done like purse straps???
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Old Oct 28, 2003 | 01:55 PM
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Default Re: Harness lap-belt mounting alternatives? (SJR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SJR &raquo;</TD></TR><TR><TD CLASS="quote">he said he was removing the stock seat.

You need to drill that hole and use the backing plate. Sorry.</TD></TR></TABLE>

Well, that depends. If he purchased a Wedge bracket, it should have a provision on the right side for an eyebolt.
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Old Oct 28, 2003 | 01:58 PM
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Default Re: Harness lap-belt mounting alternatives? (thk)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by thk &raquo;</TD></TR><TR><TD CLASS="quote">

Well, that depends. If he purchased a Wedge bracket, it should have a provision on the right side for an eyebolt.</TD></TR></TABLE>

cool. I didn't know that.
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Old Oct 28, 2003 | 05:14 PM
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Default Re: Harness lap-belt mounting alternatives? (SJR)

The Wedge bracket you say? I did indeed order that, but I'm not sure if it'll be here on time, in which case I'd use my stock seat, in which case I could just go according to that S and M install, with the lap belt mounted to the seat, correct?

On the subject of the shoulder harnesses, is it acceptable to have them run over the harness bar and bolt to the factory points in the rear?

Thanks for all the responses by the way, that is helpful.
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Old Oct 28, 2003 | 05:22 PM
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Default Re: Harness lap-belt mounting alternatives? (sscguy)

Another possibility I just thought of, this is all done using the bolt-in hardware just to let you all know. I remember seeing something about bending that bolt-in clip, but I don't remember if it was acceptable to do so, or only acceptable within a certain angle or something, but If I could bend that like 90-degrees, I could theoretically mount it to the rear seat rail point. Thoughts?
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Old Oct 28, 2003 | 05:24 PM
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Default Re: Harness lap-belt mounting alternatives? (sscguy)

Take a look at the Simpson catalog or the GCR for the correct method to mount the belts. It is much safer to use the large backing plates and mount thru the floor where possible. The stock locations may not provide the correct angle for the belts to function properly. BTW: If possible use a backing plate on both sides of the mounting point.
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Old Oct 28, 2003 | 05:31 PM
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Default Re: Harness lap-belt mounting alternatives? (jc836)

The shoulder belts are clip-in, sorry to not specify that before, but that wouldn't matter then, correct? And the outermost lap belt is bent slightly towards the inside, so it seems the angle is ok. That was actually what I was concerned about for the other lap belt though, as if it's sitting parallel to the floor, the belt has to come up to like a 45-degree turn just fit up in the seat. I can't imagine that's safe or correct.
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Old Oct 28, 2003 | 06:03 PM
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Default Re: Harness lap-belt mounting alternatives? (sscguy)

i got a sparco camlock harness (same as sabelt) but i have a sol. i was thinking about putting a roll bar in my car with a harness guide bar. but the holder straps will be bolted to the floor, yet the guide bar will keep it between 0° and -45°. i wa thinking if this was alright or even though the belts will be kept within the 45 degree limit, it will be routed and mounted to the floor (with use of the backplates)

if in fact it is alright to mount the sholder straps right on the roll cage, givin the harness guide bar is thick and sturdy enough, than i wont have to worry about mounting sholder straps to the floor and drilling. but how to mount the sholder straps properly? or is it blantantly easy and any fool can do it (how it is mounted to the bolt in bracket but instead of bolt in bracket, use the harness bar)
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Old Oct 28, 2003 | 06:09 PM
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Default Re: Harness lap-belt mounting alternatives? (phantom_sol)

Do not bolt them to the floor.

Wrap them around the cage.

Double-back on the clips.
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Old Oct 28, 2003 | 06:39 PM
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Default Re: Harness lap-belt mounting alternatives? (.RJ)

does it matter what kind of clips i have? arent som ebent and some strait. i have a strait clip (flat plate with 2x 3" inch holes)
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Old Oct 28, 2003 | 08:34 PM
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Default Re: Harness lap-belt mounting alternatives? (phantom_sol)

RJ, can you explain why it's bad to mount to the floor? If the stock seatbelts were safety-certified to hold up being bolted there, I don't understand why another belt would be any worse.
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Old Oct 28, 2003 | 08:53 PM
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Default Re: Harness lap-belt mounting alternatives? (sscguy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sscguy &raquo;</TD></TR><TR><TD CLASS="quote">RJ, can you explain why it's bad to mount to the floor? If the stock seatbelts were safety-certified to hold up being bolted there, I don't understand why another belt would be any worse. </TD></TR></TABLE>

You want as short a belt as possible. Mounting to the floor will add quite a bit of length. The belt will stretch a certain percentage of its length in an impact, and you don't want it to stretch enough for you to kiss the steering wheel.

Some of the Wedge brackets do have a tab on them for mounting the stock buckles. My passenger side had it, but the driver's side didn't. But, I wouldn't trust them for mounting the lap belts anyway. Just my opinion. I originally mounted my stock buckle and lap belt to it and then removed the lap belt. I now have the lap belts bolted to the tunnel with backing plates. It probably took 2 hours to do them both. It's worth it.
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Old Oct 28, 2003 | 08:56 PM
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Default Re: Harness lap-belt mounting alternatives? (Floyd)

Can someone clarify the correct way to feed the shoulder belt through the clips? Is it like the picture above, but with the loose end fed back through the clip one more time?
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Old Oct 28, 2003 | 10:06 PM
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Default Re: Harness lap-belt mounting alternatives? (Floyd)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Floyd &raquo;</TD></TR><TR><TD CLASS="quote">Can someone clarify the correct way to feed the shoulder belt through the clips? Is it like the picture above, but with the loose end fed back through the clip one more time?</TD></TR></TABLE>

The "clip" is upside down from my set-up, but I'm not sure that it matters. The final thread of the belt must be back through that clip towards the back of the car. Mine hang up and over the cage bar...
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Old Oct 29, 2003 | 05:34 AM
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Default Re: Harness lap-belt mounting alternatives? (Floyd)

I had them in the car the right way. I'd be more than happy to show you how to install them if you want to swing by the office with the car.
S.
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Old Oct 29, 2003 | 05:37 AM
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Default Re: Harness lap-belt mounting alternatives? (phantom_sol)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by phantom_sol &raquo;</TD></TR><TR><TD CLASS="quote">does it matter what kind of clips i have? arent som ebent and some strait. i have a strait clip (flat plate with 2x 3" inch holes) </TD></TR></TABLE>

No, because you should take the belt out of its clips and wrap it wround the bar with the proper hardware.
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Old Oct 29, 2003 | 05:49 AM
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Default Re: Harness lap-belt mounting alternatives? (.RJ)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by .RJ &raquo;</TD></TR><TR><TD CLASS="quote">Do not bolt them to the floor.

Wrap them around the cage.

Double-back on the clips.</TD></TR></TABLE>

mounting the shoulder harness to the floor is bad. besides it being too much belt, it is at the wrong angle and will get you some nice spinal compression upon impact.
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Old Oct 29, 2003 | 05:50 AM
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Default Re: Harness lap-belt mounting alternatives? (SJR)

i wouldnt mind coming by, but i dont have a roll bar yet so i dont think i would be able to mount them porperly at the oment. as car as the clips. the one that came with the harness should work or not.... as long as i double back the extra belt unsused through the clip it should be fine? of is there really hardware that you would need to mount them properly to a roll bar
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Old Oct 29, 2003 | 05:53 AM
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Default Re: Harness lap-belt mounting alternatives? (phantom_sol)

If you are using them strictly for autocross i think the only thing you will need is a good 3" lap belt.
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