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Motorsports & Track Forum
From Auto-X to Trackday to Racing and Professional Motorsports – this is the place to discuss making BMWs fast

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Old 05-21-2004, 03:46 PM   #21
wolf328ci
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something you could do, however uncomfortable,

Is something my buddy did on his audi, and that is put your schroth harnesses in and retain the stock seat belts. that way, when you want passengers, unclip the rear strap on the schroth belts and use your stock seatbelts. then re-clip the rear strap and you're ready to track. Only problem is that when you are using stock belts with schroth unclipped @ the rear, you are sitting on the harnesses, which is uncomfortable for long trips.
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Old 05-21-2004, 05:00 PM   #22
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when i was looking at STi's they have this bar that bolts right behind the two front seats. i think it's called a B-pillar bar. u can maybe custom make one and run the harness over it so i wont compress your seats only the bar. which i doubt will break. also u can position it which ever u want. look for WRX STi aftermarket parts online and u might be able to find what i'm talking about... i'll find the site an post it when i can.

edit: I FOUND THE SITE!!!! HOPE THIS HELPS
http://www.t-wrx.net/wrx/carimages/h...arnessbar.HTML
but yea... this would be a GREAT addition.

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Old 05-21-2004, 05:54 PM   #23
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I have Sparco Pro 2000 seats in my M3. I just use the sparco base mount with sparco slider for the E46. The installation is easy and no parts to modify. I ordered my M3 with almost no option, it is pretty much for the track duties. So, I have no power seats. Now, if you take out passenger seat, it will trigger an Airbag light. All that is that now the Passenger side airbag will deploy all the time.

Sparco seat base come with two cross bars on it. So, I mount the sixth point on to it right under the seat. and, there is no way you are going to get to the back seat. So, I took the back seats out as well. Total weight saving is about 100 pounds. Not much. Casue the seat base is quite heavy.

Here are the pics:
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Old 05-25-2004, 06:32 PM   #24
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Quote:
Originally Posted by teamdfl
The risk of a rollover in Solo II is almost nonexistant so the harness w/ or without a roll bar question never comes up.


Ed
thats definetly not true.. i've seen a few rollovers in solo II... mainly in FWD cars but the risk definetly is there..
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Old 05-25-2004, 07:39 PM   #25
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Quote:
Originally Posted by Spiral Prophet
thats definetly not true.. i've seen a few rollovers in solo II... mainly in FWD cars but the risk definetly is there..


Quote:
Originally Posted by teamdfl
the risk of a rollover in Solo II is almost nonexistant
That is why I called the risk almost nonexistant. A couple rollovers occur every year in SOLO II type events. Dozens of rollovers happen every year at driving schools. A rollover at a track is a hell of a lot more dangerous because of higher speeds and the risk of contact with solid objects. You run the risk of the landing on the roof after being several feet in the air. You may also hit stationary objects roof first at high speed. Either of those scenarios are much more likely to collapse roof pillars. I am accutely aware of the dangers of rolling over because I have been behind two rollovers at the track. Pardon the picture quality. I scanned this long ago in the dismal days of dial up...

This E30 barrel rolled into a tire wall two cars in front of me at Lime Rock Park. Note that the front passenger headrest is sticking out the rear passenger window.

An autocross rollover is going to happen at less than 60mph and is usually the result of funky elevation change, suspension dynamics, and R compound tires rather than a "garage sale" shedding of parts while barrel rolling 3 times into a tire wall.

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Last edited by teamdfl; 05-25-2004 at 07:44 PM.
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Old 06-01-2004, 06:30 PM   #26
Smoothpnoy
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would that harness bar i posted work? or is the angle of the belts different. that way u can put the harness behind the front seats and wrap them over so u can still use the rear seats... and also are the harnesses DOT approved for street driving?
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