The only rules I've found until the other day were 2002 CCR's from the NASA Texas site. However, after searching the NASA Pro Racing site yesterday, I discovered the
2003 CCR's.
Right click, save as.
There is a change WRT tubing for roll cages. Section 15.5.18:
Quote:
1501 - 2200 lbs.
1.500” x 0.095” DOM/Alloy/Seamless
1.500” x 0.120” ERW (No issuance of log books for cars with ERW cages being certified after April 30th, 2003)
2201 - 3000 lbs.
1.500” x 0.120” DOM/Alloy/Seamless
1.750” x 0.095” DOM/Alloy/Seamless
1.750” x 0.120” ERW (No issuance of log books for cars with ERW cages being certified after April 30th, 2003)
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It looks like if your car has ERW, was inspected and logged prior to 30 April 2003, your considered "grandfathered". If your building a new car, or yours doesn't get inspected by 30 April 2003, you must use DOM.
Granted, I haven't checked the main NASA Website lately, but when did this rule change come out?
