914 1.8T....
Andrew Blyholder has a good point. The seat time is much more in the local PCA regions than SCCA. In the local PCA regions you will get 8 to 12 runs in a day plus fun runs. I believe your Avatar has you in the East Bay (Oakland area?).
If that's the case, you've got some really nice options for running Auto-x with the local PCA. The PCA-Golden Gate Region and PCA Loma Prieta Region are close to you. I run with both regions for Auto-X and participate in Time Trials with the Golden Gate Region. Time Trials run on the big tracks (Laguna, Sears, Thunderhill, and Buttonwillow). For Auto-X, you can run your car as long as it isn't dropping parts and fluid everywhere. I work the tech inspection and we check for safety and general fitness of the car.
Again for Auto-x, the PCA Zone 7 group (of which Golden Gate Region and Loma Prieta are a member) will allow you to run a non-porsche motor as well. Hell, I blew a motor earlier this year and all the regions and the zone have continued to invite me to run my Honda S2000 in the "Fun" category to keep participating! I just don't want to break another car!
For track events, the PCA will not allow hybrid cars. But as pointed out, there are several excellent organizations to run with.
Northern California Racing Club and
Trackmasters Racing are two excellent clubs I run with. The provide instruction and in my opinion have a very nice atmosphere to participate in.
Have fun!
Bill P.