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Safety & Race Preparation Roll cages, harnesses, seats, weight reduction, etc. Anything pertaining to taking your car to the highest level of performance.

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  #1  
Old 12-28-2007, 04:25 AM
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Default Anyone familliar with NHRA or IHRA specs?

I'm building a new fuel cell setup for the hatch.

Currently, I have a tubular stand that is elevated about 4 inches from the floorthat the cell sits on. I dont believe that will pass an inspection. Its sunk down into the spare tire well.

What I plan on doing is building a "roll cage" of sorts for the cell thats attached to the roll cage in the car, something that looks like this....


Click the image to open in full size.


When this is all done (and reinforced further, this is just a skeleton) skin it in aluminum held on by dzus clips so I can still fill it, and it will still be isolated from the cabin.

Think something of this sort will pass inspection?
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Old 12-28-2007, 04:32 AM
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if you go to the web sites for them they usually list the specs required... in pretty clear detail...

usually the rule books are updated each year... and from my experience... if it's not in the book... they can't hold you to it.. even when they changed the rules on us half way through the season with the MINI USA car... most tech guys would let it slide cause it wasn't REAAALY in effect till the next season....
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Old 12-28-2007, 04:32 AM
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Click the image to open in full size.

Here, a little better line drawing...
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Old 12-28-2007, 04:33 AM
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Quote:
Originally Posted by Tüls View Post
if you go to the web sites for them they usually list the specs required... in pretty clear detail...

usually the rule books are updated each year... and from my experience... if it's not in the book... they can't hold you to it.. even when they changed the rules on us half way through the season with the MINI USA car... most tech guys would let it slide cause it wasn't REAAALY in effect till the next season....
Well that works then. All they say it the cell needs to be secured well and has a firewall. they never say how exactly it has to be securely fastened....
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Old 12-28-2007, 04:37 AM
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Originally Posted by not-so-rednwhitecooper View Post
Well that works then. All they say it the cell needs to be secured well and has a firewall. they never say how exactly it has to be securely fastened....

ha ha yeah... I love that stuff... basically no straps or anything... it has to be bolted down... something to that effect... lock pins... etc
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Old 12-28-2007, 04:37 AM
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****, motorcyle straps and eyelets in the floor would be "secure" if you ask me haha!
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Old 12-28-2007, 04:39 AM
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Originally Posted by not-so-rednwhitecooper View Post
****, motorcyle straps and eyelets in the floor would be "secure" if you ask me haha!
yeeeaaaah... that's pretty much what I was saying ISN'T allowed LOL
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Old 12-28-2007, 04:43 AM
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Man, i cant wait till i have to read and setup the specs for the wheelie bar and parachute. i'm so excited....



then pass a chassis inspection.......
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Old 12-28-2007, 05:21 AM
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ha ha... you can dooo eeeet....

no really... it's not too hard.. LOL
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