Just a data point. Below is a link to a photo of Elliot Forbes-Robinson
in a GP Spit from Nov. 1980. If I remember right, the event was a 4 hour
Regional Enduro. You can see that the cage has forward braces from the
vertical legs of the hoop.
http://img296.imageshack.us/img296/8957/efrspitfirepc9.jpg
Cheers,
Kurt O.
greg wrote:
>After combing through available SCCA GCRs and PCSs we have come up with
>the following:
>The oldest GCR we have on hand is 1987.
>
>This refers to production cars only
> 1.Forward bracing of the front hoop is required in '87 but we don't
>know when it was first required. The showroom stock cages were 6 point
>without forward braces but we can't tell or remember if production/GT
>cages were ever allowed without forward braces.
>
> 2.Cars registered after 1/1/79 are required to have roll cages. This
>means that cars which were built and logbooked before 1/1/79 were still
>able to race in '87 with only a roll hoop. I don't have a date when the
>roll cage was required for all.
>
>FYI I noticed that cells were first required for newly constructed cars
>in 1983. I don't know when they became mandatory for all.
>
>Greg Lund
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