How are roll-bars typically made/purchased?

[jtoomasson at yahoo.com (Jeff Toomasson)]

I guess maybe I shouldn't call it "simple", but I was looking for something that would cinch the four strut towers in such a way to keep chassis flexion to a minimum. Any suggestions on a pattern?  :)
 
Going custom is not an obstacle - I'll need my rag to tackle the twisties 5-10 times a year. And I don't want have the roof cracking if I'm going to drop $$$$ on a paint job...  :)

L F <rocco16v@netzero.net> wrote:
Jeff,
A simple four-point roll bar will not stiffen the chassis to any significant degree. 
As far as minimum gage, this would apply only if you are building to a particular race sanctioning body's rule book. if you aren't racing, don't worry about it. I wouldn't go under .062" wall thickness, .080" would be better/heavier/more costly. 
I'd have one custom built, if it were me.
And I'd have a good welder install it. (although with a hardtop, you could get away with bolting and bolting WOULD let you remove it more easily)
Mostly personal opinions here, but I've built race cages before. 
----- Original Message ----- 
From: Jeff Toomasson 
To: scirocco-l@scirocco.org 
Sent: Friday, July 11, 2003 1:08 PM
Subject: How are roll-bars typically made/purchased?


Most likely I'm going to have to have a simple roll-bar setup when I do my ragtop to prevent undue stress to the roof from chassis flexion.

Honnold mentioned that he got a "Autopower" setup, but I don't get anything when search for that in Yahoo. Went to the .org for various links to racing sites and got nothing (BSI, Shine...). I don't see any at some of the tuners' sites I've checked either...

Are they typically custom-made? Is there a minimum tubing gauge that must be observed? I'm assuming it's better to have them bolted in as opposed to welded...

Also, should I have it installed when I have the car painted? Or do it after?

Thanks in advance! Jeff
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