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**Goat Blower** · 04-29-2009

I think the diameter and wall thickness is a bit light for NHRA as well, I can't remember anymore. I know that you need larger diameter tubing when using mild steel than the autocross guys use.

04-29-2009	#17
Goat Blower aka Goodbye Asteroids Champion! Beach Squirter Champion! Join Date: Oct 2003 Location: under the car Drives: Taylor Made R15 Posts: 7,765	Re: 1G Roll Bar I think the diameter and wall thickness is a bit light for NHRA as well, I can't remember anymore. I know that you need larger diameter tubing when using mild steel than the autocross guys use.