Roll Cages: Chromoly VS. Mild Steel

84 pounds is a lot, especially when you consider the weight you're adding to the car with the roll bar, plus I like to add braces over and above what is required.

Also, narrow diameter tubing will be more "out of the way" for regular usage. The car will be more rigid with the moly, and A bodies need all the rigidity they can get.

I like tig welding better, even for mild steel.

If you're not running a heads up class, lighter is better.

If you are running a heads up class, lighter is still better so you can put the weight where you want it.

Lots of street driving a car with a roll bar is a bad idea. Hitting your head on a bar in even a minor collision will crush your skull like a hard boiled egg.