Roll bar Roll cage Tubing diameter question?

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Roll bar Roll cage Tubing diameter question?Am I reading it correctly? Roll bars are a minimum of 1.75” O.D. tubing whether it is mild steel or chromoly. Is the only bar that is a smaller diameter is the one running behind the seat for the shoulder harness?I’m years away from needing this but need a tubing die to build something and I prefer to purchase one die.Dave ReberWadsworth Ohio
Reply:Originally Posted by ReebsRoll bar Roll cage Tubing diameter question?Am I reading it correctly? Roll bars are a minimum of 1.75” O.D. tubing whether it is mild steel or chromoly. Is the only bar that is a smaller diameter is the one running behind the seat for the shoulder harness?I’m years away from needing this but need a tubing die to build something and I prefer to purchase one die.
Reply:1.75 .120 wall DOM tubing is what I used in my mustang. All the bars are the same.www.thefusionsolution.com
Reply:Maybe these will help.....zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Even Better!!http://www.nhra.com/UserFiles/file/G...egulations.pdfGo to section 20.18 and go down from there..It's all here!I am going to make this a stickey....zap!Last edited by zapster; 03-13-2013 at 09:41 PM.I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:I second the NHRA rule book.. better to over build and not need it then to under build an need it.www.thefusionsolution.com
Reply:roll cage for WHAT? drag race? road race? Generally cars over around 2500# you will want to run 1.750 x .095 or .120 wall.. Depending on weightHTP Invertig 201Lincoln Idealarc SP250Miller 180 AC StickBy farmall:They should have held the seagull closer to the work, squeezing evenly for best deposition.
Reply:Thanks guysfordmanI seem to for get the details. NHRADave ReberWadsworth Ohio
Reply:I have the 25.4 SFI specs. Sent you a pm
Reply:Originally Posted by zapsterEven Better!!http://www.nhra.com/UserFiles/file/G...egulations.pdfGo to section 20.18 and go down from there..It's all here!I am going to make this a stickey....zap!