Spec Miata Roll Cage Rules

The spec miata sm class is intended to provide the membership with the opportunity to compete in low cost production based cars with limited modifications suitable for racing competition.

Spec miata roll cage rules.

The roll cage shall be integrated into the frame or chassis. We break down the rules bar by bar using a chris alston s chassisworks pre bent cage on a 65 stan. Meets all rules and regulations for scca nasa bmw cca icscc and others. All tubes are fully coped and ready for installation.

Complete roll cage kit for your spece46. Upon reading further in the gcr i found appendix i. The kit weighs roughly 100 lbs once installed in the vehicle and when installed properly is approved for scca nasa icscc and other sanctioning bodies competition. We have designed the strongest lightest weight roll cage kit we can for the e46 bmw.

The rules are intentionally designed to be more open than the showroom stock class but more restricted than the improved touring class. The roll cage must attach to the vehicle structure within the passenger compartment in a minimum of six 6 points as specified in these rules. There are multiple contradictions between the two sets of rules with one example being the maximum base plate area being 100 sqin for 2007 and 144 for 2010. 01 09 20 member advisory memo ma 20 01 spec miata hoosier sm7 5 effective date 02 04 20 member advisory memo ma 20 02 tires and configuration vts documents in touring 02 10 20 member advisory memo ma 20 03 data box mounting plate for prototype and formula cars.

It will save you a bunch of time and money. I would like it to be me but the others are almost as good 2 buy the book. When building a race car one of the most misunderstood parts of the build can be the roll cage. 1 buy a cage kit from one of the popular suppliers.

I am surprised i haven t seen more how tos or walk throughs on how to build a roll cage perhaps because of the extreme amount of attention to detail required to build one especially one the passes all the safety requirements to be nasa and scca compliant. The roll cage typically ships within 48 hours of order placement. 2007 roll cage rules.