re: scca rollbar rules

[Dana Loomis <dloomis@domain.elided>]

>can anybody point me to something on line that might describe scca rules
>[about rollbars] (tubing diameter, thickness, etc)?

Look at a copy of SCCA's General Competition Rules (GCR).  It's the
standard guide on the subject and discusses requirements and
recommendations for rollbars at length.  

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