Ron,
Our theory with offering the cage in 1-3/4 x .120 wall DOM is that is the requirement for most national road race organizations. If I have heard Chris say this once, it's been 50 times (and I'll paraphrase so I don't get banned for swearing):
'Making these cars handle like race cars without adding adequate protection is stupid, anyone who thinks that they and the car will survive a rollover is on dope.'
Or something to that effect. This is why our gStreet Full Frame comes
STANDARD with a six-point, weld-in roll bar.
I'll leave it up to you guys to hash out diameters of tubing. I don't pretend to be a super smart engineer; I just work for one. He let's me touch the computer because I tend to be less abrasive.
