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Old 08-14-2003, 01:04 PM   #1
mauahah
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Question 4 point seat belts

Has anybody installed 4 point seat belts in an STi for track use??? Im looking for some good belts and the right place to install it in the STi.
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Old 08-14-2003, 01:53 PM   #2
horshack
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Im looking to install 5-point, researching now.

Trying to figure out cross bar options that are NHRA legal.
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Old 08-18-2003, 09:01 PM   #3
aschnell
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I have a schroth 4 point harness for my drivers seat. It attaches to the stock locations for the front lap belt and to the rear seat lap belt bolts. i cant have a rear seat passenger if i want to wear the harness, but it unclips quickly and I left the stock belt in place.
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Old 08-19-2003, 12:09 PM   #4
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Do you know if Schroth has certifed the belts for use in the WRX and/or STi? I haven't seen anything that they have.


Bill
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Old 08-19-2003, 12:38 PM   #5
SportyBry
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I also had this question about "certification".

If you go to the Schroth WEBsite it's like they haven't tested any seat since the early 90's !

I have some Schroth 3 points I wanted to put in but with the stupid adjustable height rear seat belt anchor I don't know if I can or not. Quite frankly, I wouldn't want MY life dependant on that mickey mouse mounting point.

If the seats aren't certified for 4 point fastening then the only other option is cutting through the rear seat cushion and using the actual rear belt mount.

...Brian
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Old 08-19-2003, 01:52 PM   #6
Janq
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I'd been looking into a 4 point belt system and found the following;

* Corbeau
They offer a take-up reel system that allows for adjustability and a lock-out.

* Sparco
Sparco is TUV rated.

- Janq
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Old 08-19-2003, 04:20 PM   #7
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Quote:
Originally posted by SportyBry
I also had this question about "certification".

If you go to the Schroth WEBsite it's like they haven't tested any seat since the early 90's !

I have some Schroth 3 points I wanted to put in but with the stupid adjustable height rear seat belt anchor I don't know if I can or not. Quite frankly, I wouldn't want MY life dependant on that mickey mouse mounting point.


...Brian
What exactly is mickey mouse about it? Its of the same construction as the height adjustable seat belt anchor of the front seat that you put your life on everyday. I have talked to schroth the only belt they reccomend for the impreza is the ralley 3 mounted at the rear c pillar mounting point. The ralley 4s will work fine for autox but I dont know if it is acceptable for high speed track use especially if you are tall.
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Old 08-19-2003, 04:28 PM   #8
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Jang...is that sparco belt 3" wide? Website didn't say much about it!
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Old 08-19-2003, 04:31 PM   #9
Janq
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I'm not sure and was wondering the same thing.

Ther eis no local supplier and I have not yet found an online vendor to query.

- Janq
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Old 08-19-2003, 04:47 PM   #10
'04 STi
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Quote:
Originally posted by afpdl
I have talked to schroth the only belt they reccomend for the impreza is the ralley 3 mounted at the rear c pillar mounting point. The ralley 4s will work fine for autox but I dont know if it is acceptable for high speed track use especially if you are tall.
Where did you call? MA?

The problem with the Rallye 3s is they kinda render the backseat useless unless you want to be pulling them in & out all the time.


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Old 08-19-2003, 05:18 PM   #11
GT2RS
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Just called a sparco dealer and that 4pt harness is not 3" wide.
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Old 08-19-2003, 05:25 PM   #12
Janq
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So how wide is it?

- Janq
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Old 08-19-2003, 05:29 PM   #13
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Quote:
Originally posted by '04 STi


Where did you call? MA?

The problem with the Rallye 3s is they kinda render the backseat useless unless you want to be pulling them in & out all the time.


Bill
Sorry I didnt mean call I mean emailed them a few times. The ralley 3 doesnt render anything useless the shroths are 2 peices they clip together behind the front seat so you just unclip and there is a small strap left hanging off the seat belt anchor and you just tuck the rest of the harness under the front seat.
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Old 08-19-2003, 05:34 PM   #14
Janq
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Quote:
Originally posted by afpdl


Sorry I didnt mean call I mean emailed them a few times. The ralley 3 doesnt render anything useless the shroths are 2 peices they clip together behind the front seat so you just unclip and there is a small strap left hanging off the seat belt anchor and you just tuck the rest of the harness under the front seat.
So let me repeat to make sure I'm reading you right.
The support straps latch onto the base of the seat in some manner (seat rails?) to provide tension & security?

If so, I've never heard of that before.
How safe can that be? hmm...

- Janq
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Old 08-19-2003, 05:50 PM   #15
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The harness is actually made up of 2 parts the first part is just a strap with an anchor a couple of feet of strap and a clip. The second part is the actuall harness with the lap belt and the 2 shoulder straps. The lap belt is anchored at the bottom of the driver seat belt and on the bolt that holds the rear of the driver seat to the floor.

The shoulder straps ar joined at the top at a clip. You then anchor the first part at the c pillar mount and clip the strap to the harness.

here are some websites to illustrate it better. The black square behind where the shoulder straps come together is where it uclips.

http://www.soloperformance.com/catalog_harness.htm
http://www.soloperformance.com/schroth.htm
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Old 08-20-2003, 12:28 AM   #16
WRX_Mundi
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I decided to go whole hog and put in a Speedware harness bar and two Schroth Profi-III 6-point 3" harnesses. Speedware installed it and made custom brackets for the anti-sub straps. Got the fire extinguisher and camera mount as well. Found out an extinguisher is a requirement for hill climbs -- good thing I put it in since I have one coming up next weekend!

I decided on the Schroth harnesses because they are FIA approved. A bit overkill for autocross, but they sure hold me in. A real pain in grid (time to put them on, once in can't turn on camera, etc.), but great on course. The regular belts are still operable, which is a good thing, since FIA approval = DOT disapproval and vice versa (DOT requires a push button that is easily applied, FIA does not want a push button that is easily accidently applied). Also nice for driving schools where people are getting in and out of the seats. Besides, without R-compound tires the car doesn't generate that many Gs so it isn't a requirement (friends of mine who have never been to an autocross think my car grips like crazy -- I try to explain how this car is seriously lacking in grip compared to a well suspended car with Kumhos or Hoosiers, but until you've experienced being thrown around in a car that really grips you don't have a comparison).

The other issue with a 6-point harness like I have is the lack of a roll cage. For autocross, this isn't an issue (in my opinion) but then 6-point 3" is too much for just that. Unfortunately, a proper roll bar or roll cage will mean support braces into the rear seat area which makes it unusable. This is still the family sedan that hauls kids around occasionally, so that is out or the question for a year or two yet. The perils of trying to do a comprimise race car / daily driver.
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Old 08-20-2003, 02:51 AM   #17
SportyBry
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Render the rear seat useless ? Um...it is so small and cramped
back there it does that all on it's own

...but seriously for those of us with never more than 2 people in
the car it is not an issue. If it ever is in an emergency, we simply
unhook the quick release connector.

As for saying the rear height-adjustable mount was mikey mouse,
perhaps I should have qualified that -- it is mikey mouse as far as
a harness mounting point.

In the stock application it takes a tangental load from the belt
restraining system in what would be described as a 'shear mode'.
The REAL upper seat belt mount is behind the seat where the
seat-belt reel system is attached. I do not feel the adjustable
height anchor point is strong enough for a direct harness
connection.

I will either have to tunnel through the rear seat to that
mounting point or, failing to get a proper 'pass' from Schroth on
the factory seat, install the extra Cobra race bucket I have
here and use a 4 pointer. It is a shame though since the factory
seats look and match so nice....


-Brian
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Old 08-20-2003, 10:14 AM   #18
Supra 98
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I have the Speedware bar and Sparco 4 pointers in the STi. Works like a charm.

Later
Scott
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Old 08-20-2003, 11:45 AM   #19
'04 STi
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Quote:
Originally posted by afpdl
The harness is actually made up of 2 parts the first part is just a strap with an anchor a couple of feet of strap and a clip. The second part is the actuall harness with the lap belt and the 2 shoulder straps. The lap belt is anchored at the bottom of the driver seat belt and on the bolt that holds the rear of the driver seat to the floor.

The shoulder straps ar joined at the top at a clip. You then anchor the first part at the c pillar mount and clip the strap to the harness.

Ah. They changed the Rallye 3 from when I bought mine for my old BMW. Used to be only the 4 had the disconnect.

Thanks.


Bill
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Old 08-20-2003, 01:09 PM   #20
afpdl
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You can now change a schroth ralley harness from a 3 to a 4 or to their autolock system, the front part of the harness is now exactly the same the only thing that is different is the rear section.
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