By rules, I assume you mean Class 6 listed here:
http://www.naste.org/racerules.cfm
Presently quantified as:
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Class 6 - Over 50
Cars eligible for the Over 50 Class will be cars with a mass produced chassis that was available in a kit or RTR (ready to run i.e. Cox, Strombecker, Revell, etc.). That also includes the chassis only kits, such as those manufactured by Dynamic.
No modifications will be allowed to the chassis (as in the addition of weight pans or handling pans).
Legal motors will be the 36D cans, as well as the motors that were used before the 36Ds became the standard (i.e. Kemtron, Pitman, Atlas, Tyco, etc.). I know what you're thinking; there is a lot of disparity between those listed motors and chassis types. True. So what I see is a possibility of a number of divisions within the class as this class of racing progresses. The cars will be raced all together, but finish positions will be scored according to division. The cars motor type, chassis type, and body type (either clear plastic type or injection molded model type) will be factors determining divisions within the class. I will be recording and keeping track of each cars lap times as well as number of laps completed during the races. At some point we may have enough data to combine some of the class divisions based on similar performance.
MINIMUM rear tire diameter shall be 1 1/8 inch!
Class Sponsor: Bill Bostic
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The cut/paste above will not update if changes are made. Check the link for the most current rules.
CK