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Discussion Starter #1
I'm having a 10 point custom cage installed with 4 link. Question is the guy who is gonna build it is going to use 1 5/8 to make new rear frame rails. Is this ok? Cross member is also round 1 3/4 i believe. Also i've read that its better to run front bars thru the dash. thanks for any help..Gary
 

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is he using 1-5/8s for the cage or the frame is this a round tube car or are your frame rails the 2x3 box tubing
 

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I thought chromalloy tubing for NHRA roll cages was allowed to be .083" wall. Am I so detached that something like that changed and I missed it:eek::eek:

Yikes!!!:eek::eek::eek::eek:
 

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Discussion Starter #6 (Edited)
cage

whole cage is gonna be 1 5/8 steel. I believe he is gonna use square tubing along rockers and is also local guy, but he has built cars before. (Trick Race Cars) thanks
 

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I thought chromalloy tubing for NHRA roll cages was allowed to be .083" wall. Am I so detached that something like that changed and I missed it:eek::eek:

Yikes!!!:eek::eek::eek::eek:
Actually it's .083 for CM, and you can use .120 wall DOM mild steel, instead of the heavier .134. Much lighter, but costs more.
 

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I thought chromalloy tubing for NHRA roll cages was allowed to be .083" wall. Am I so detached that something like that changed and I missed it:eek::eek:

Yikes!!!:eek::eek::eek::eek:
Actually it's .083 for CM, and you can use .120 wall DOM mild steel, instead of the heavier .134. Much lighter, but costs more.
My bad, Racer Dan is correct:yes: Its been a while since i looked at a rule book.
 
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