I only have 4 A/X's so I'm a novice 5 and will be driving a GT4. This is with the PCA at the Muscle Car Museum in Melbourne.
This is really nice as I need to learn how to read cones. I know where the lines are I just have to figure out what the cones say.

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I ordered numbers 914.

Trying to register for an a/x with the PCA I go to Club registration, I sing up for the a/x in Melbourne and I ordered some numbers and a helmet and they arrived before the a/x. So I went and the PCA SCR didn't know me. Club registration billed me for the race but failed to tell the PCA.
Next day there was a PCA a/x about 35 miles from here so I went and they were much friendlier. Got to race and learned a lot.

I enjoyed the Citrus Region and will be back for their next A/X. I believe Jan 5 '21, can't wait for next year for a new start...

Auto-crossing Joe, you need to focus ahead one or two gates to be fast. Memorize the course and always be focused ahead of where you are. I've had fifty years of fun doing this. Best, Mark