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  1. W

    diff bushings = illegal correct?

    Bushing material, including that used to mount a suspension subframe to the chassis, is unrestricted. There is no way to read this that allows diff busings on a Miata is there?
  2. W

    Cage questions

    A couple more quick cage questions: The GCR states "a maximum of two gussets per rollcage joint are allowed". What is the definition of a rollcage joint? If 3 tubes come together in one spot how many joints is that? The GCR states in 9.4.2 J "In order to provide a secure seat back support a...
  3. W

    Quick IT questions

    I am converting my 96 Miata from a CSP time trials car to an ITA Miata and have a couple of quick questions :) After reading thru the IT section of the GCR more than once I have a couple of things I am fuzzy about.... 1) I don't see where I can remove the mat on the firewall behind the dash...
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