Bolt in rollbars Q & A

roccodart440 said
Berfore reading, this isn't a discussion about safety. It's a discussion about parts availability and legal requirements for racing.

PoisonDart74 said
Bolt it in, then weld it. Please don't play around. These cars are rickety enough as it is.

Please read threads before commenting.

They dont' make a bolt in for our cars and this thread is specificly not regarding safety.

If your car is rickety, I'm sorry. Take the time to improve your car.

surfer121 said
You build a cage/bar to meet certifacation, one does not get a cert to build cages for NHRA.

I think you misunderstood or I mispoke. THere are bolt in cages that if installed per manufacteres specs will pass NHRA and they sell them as NHRA legal roll bars.

In regards to wall thickness. I don't know if most local tracks could even test that much less would even want to especially for 10.0 and slower. I've always bought my bars/cage kits. I'm doign a 63 Nova right now.

70aarcuda said
On unibody cars with stock floor and firewall (wheel tubs permitted), the roll cage may be bolted or welded to the floor/rocker box via 6-inch x 6-inch x .125-inch steel plates similar to
the roll-bar attachment requirements of paragraph 4:10 in this section.

You can bolt it to the floor with plates on both sides of the floor..everything else is going to need to be welded.

http://www.nhra.com/UserFiles/file/General_Regulations.pdf

Look on page 22...under Full bodied cars

Thanks for posting that.