I love the 914, and I have been very successful autocrossing one as well, once you learn the way to drive it, it can be fast, just not in IT. The 1.8 liter has more of a chance in ITB, than the 2.0 liter does in A, actually the 2.0 might be a decent B car, it certainly would not be a dominator. Remember the 1.8 came with like 85 hp stock? And those figures in the 70s were sort of overrated, meaning not SAE specs like most are now. I think you would struggle to get 100hp at the flywheel, and that just aint enough. no matter how good it handles. But the 1.8 liter should be in ITC and the 2.0 should be in ITB, but seeing how the 2.0 was originally in ITS, i seriously doubt you will ever get SCCA to put it in ITB, They have never seemed to like Porsches, atleast not until recently.
Derek