mrdragster1970

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Have to add a nine bar to a car. Need to know what the exact location specs are. How far in front of existing bar is it needed.
I heard it's 1 1/4" @ .058 minimum?? Was thinking of adding 2 bars, one where required, & one more about where knees are.
Safety is more important than weight. Any info or thoughts, would sure help. Thanks guys.

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mrdragster1970

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All these chassis guys around & no info. Am I using the wrong terms??

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MADMAN

iTrader: (4)

Are you talking about the kidney bar in the cage? My SFI specs are at the shop.

mrdragster1970

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The tech guy said to call it a "Nine Bar" & most chassis guys would know what I needed.
It's for under your legs on a 6.00, 25-1E car. The car has the kidney bar. Nobody caught the nine bar missing.
The damn thing got certed every year, Pro sticker & no one said anything until now. New NHRA guy in Chicago.
It just came out of chassis shop, but I had no idea what it was, or it was missing. I would have had them do it.
Don't want to order wrong material & weld in wrong place. I have a TIG & can hand fit one bar.
Really don't need to buy specs for one bar. The car is done & racing. Any info you have, would help a ton.
Thanks Madman.

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MADMAN

iTrader: (4)

The 9 bar is the seat mount bar. The seat has to be mounted to a 1 1/4" x .058 tubing. Email me and I can send you some pics.

mrdragster1970

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Email sent, thanks Madman.

My seat is not mounted to the floor. It's a cage with a piece of alum sheet metal.





My thought was to put 2 bars (actually 4, 1 bar on each side of diagonal) equally spaced from the back horizontal
(bar on jackstand) to the front horizontal. I have no idea if there is a exact location required from that back bar??



Thanks again.

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MADMAN

iTrader: (4)

I would run the bar across where the crotch strap attaches. 2 pieces are fine.