petty bar good? bad?why?

[m glassburner]

Just wondering... wanted to know more>>>If its bad,also want to know how to get same results in another way. thanx mike

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[Bill Miller]

I think it's a good idea, in so much as it allows you to add some additional stiffness to the cage. Is it a bad idea? Maybe only in the fact that it restricts moving around inside the car a bit.

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MARRS #25 ITB Rabbit GTI (sold) | MARRS #25 HProd Rabbit
SCCA 279608

[gsbaker]

See the thread in General Discussions titled "Notes from presentation by Tom Gideon, GM Race Satefy Eng." by 924guy.

Long story short, it's probably a good idea if you can install the bar in such a manner that you don't slam into it during a crash. Also, make sure it is not in the way if you need to bail in a hurry.

A good alternative would be cross bracing the cage as much as possible, but that could a lot of weight.

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Gregg Baker, P.E.
Isaac, LLC
http://www.isaacdirect.com

[Speed Raycer]

They're bad if you're used to not having one and then try to give a point by to the pass side. I about broke my hand the first time I pointed someone by! (which was probably you at GIR in March )

I've seen quite a few cages where the Petty bar scared me it was so close to the drivers head. I guess some builders think chassis first, safety second. I toyed with placement on mine for quite some time since I plan on having an extra seat available for driver ed. days and wanted to give as much clearance as possible for both.

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Scott Rhea
It's not what you build...
it's how you build it
www.izzyscustomcages.com

[m glassburner]

Raycer... that was my brother... brian... thanx guys......mike g