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 Post subject: roll cage requirements
PostPosted: Fri Nov 20, 2009 11:59 am 
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Joined: Wed Sep 29, 2004 10:45 am
Posts: 60
Location: Washington Township
I have an E30 which I’ve been driving in club events and has an Auto Power bolt in cage. I'm considering club racing and they require the cages to be welded. Can this cage be modified to accommodate these weld in rules? Has anyone had to do this type of modification? If so any advise or suggested shop to do the work is appreciated. I'm in north jersey, Bergen County.

Thanks for any help, Rob


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 Post subject:
PostPosted: Fri Nov 20, 2009 1:52 pm 
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Joined: Wed Sep 15, 2004 2:24 pm
Posts: 624
Rob,

Best way to answer this is by reviewing the BMWCCA Club Racing regulations. Bear in mind 2010 rules have just, or are soon to be, published.

HTH,

Bob

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 Post subject: Cage
PostPosted: Fri Nov 20, 2009 4:29 pm 
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Joined: Fri Jan 14, 2005 7:55 pm
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Check this out, a pretty serious roll. if you notice, all the bolt in roll cages have a nice "little" plate on the floor, this one punched right through. R 8)

Sorry, can't give you a picture, maybe someone has this??? It was a series of shots of a Mustang flipping and the bolt in roll bar punching right through the floor and flattening the roof.


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 Post subject:
PostPosted: Fri Nov 20, 2009 4:38 pm 
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Joined: Thu Jan 13, 2005 12:56 am
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Location: Readington, NJ
^I believe these are the links you're looking for.

http://jalopnik.com/5390934/mustang-cov ... -tire-wall

http://www.roadraceautox.com/showthread.php?t=26027

http://www.corner-carvers.com/forums/sh ... 586&page=4

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 Post subject: Cage
PostPosted: Fri Nov 20, 2009 4:46 pm 
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Joined: Fri Jan 14, 2005 7:55 pm
Posts: 978
Thank you, these are the shots. very scary, I had a bolt in roll bar for years, Jeff C. has mine, my full cage now has nice big plates welded to prevent a punch through like this. If you look at the shots, a very easy accident to happen. I first thought it was the esses at Summit, not. R 8)


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 Post subject:
PostPosted: Sat Nov 21, 2009 1:29 pm 
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Joined: Tue Nov 09, 2004 9:13 pm
Posts: 142
I know the temptation for all of us is to somehow use the existing equipment but my suggestion would be to sell the Autopower cage and start afresh with a reputable builder for a compliant and safe cage.


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 Post subject:
PostPosted: Sat Nov 21, 2009 4:12 pm 
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Joined: Sun Aug 27, 2006 2:57 pm
Posts: 968
agree. with nafi. remove/sell the autopower and go for a properly designed, safe, weld in cage. don't mess with safety. i too have been running a 4-pt bolt in autopower with sparco race seats for the last 2 years at DEs. I'm going club racing and just dropped off the car to get a proper cage welded in. What class are you planning to race your E30?


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 Post subject:
PostPosted: Sat Nov 21, 2009 6:59 pm 
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Here's another vote along with Nafi and Kish. When vetting cage builders, consider their experience caging E30s. Pay particular attention to how they propose to tie the front and rear cage hoops into the car's unibody.

Vic


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 Post subject:
PostPosted: Sat Nov 21, 2009 9:08 pm 
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Location: Millstone Twp., NJ
+1
My E30 is going in this offseason for a full cage as well. I agree you should find a shop with experience on E30s.

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 Post subject:
PostPosted: Mon Nov 23, 2009 11:01 am 
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Joined: Wed Sep 29, 2004 10:45 am
Posts: 60
Location: Washington Township
Thanks for all the input and agree about the bolt in cage punching thru the floor. They are only as strong as what they are connected to and when putting it in I kinda chuckled, but better than nothing at the time.

For the people doing cages this year, can you send me the shop information and locations?


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 Post subject:
PostPosted: Mon Nov 23, 2009 11:04 am 
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PM sent.


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 Post subject:
PostPosted: Tue Nov 24, 2009 8:48 am 
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Joined: Tue Oct 07, 2008 8:31 pm
Posts: 188
Location: Mountainside, NJ
Here is a possible source for cage building here in NJ.
"MTK's Welding & Race Car Fabrication" located in Roselle, ask for Mark (908) 241-1510.

At his shop he had an E30 M3 he was prepping to put a cage in. I was not able to see any completed E30 job but did see other complete cages in other brands of vehicles and all looked good. It would be nice to see some of his completed E30 work, I'll keep my eyes open.

Doug

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 Post subject: Cage
PostPosted: Tue Nov 24, 2009 4:21 pm 
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Joined: Fri Jan 14, 2005 7:55 pm
Posts: 978
Kurt @Pro-Start did mine, nice thing, I did the strip work along with Bob Conway, dropped it off Monday, picked it up Friday, no messing around. R 8)

Just Outside Clinton NJ, not the beach, send me a pm if interested and I will call em..
Pro Start Race Cars
Rt. 173 East;Asbury NJ;;08802;
WORK:908-479-4098
FAX:908-479-1495
KURTE@ENTER.NET
TITLE:Kurt Fleischmann


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 Post subject:
PostPosted: Wed Nov 25, 2009 9:16 am 
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Joined: Wed Sep 29, 2004 10:45 am
Posts: 60
Location: Washington Township
I sent you a PM, thanks for the help.


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 Post subject:
PostPosted: Wed Nov 25, 2009 10:11 am 
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Joined: Wed Sep 15, 2004 2:24 pm
Posts: 624
I didn't have a chance to help Bob with the electrical stripping, but will never forget his measured approach. "Turn the car on and start cutting wires - if they spark, put a piece of tape on the end...done." Remarkably, the only thing that didn't work was the stop lights!

Bob

_________________
'11 335i Convertible - Street
'02 325Ci - Street
'97 M3 Coupe - Street
'05 545is - Wife's ride
'89 325i - Track DIY special
'90 325is - Spare track
F350 7.3L PSD 6sp Dually Tow (Anything)
Several others
No automatics!


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