I just went 11.2 on the std motor (100oct) and got it built so I didn't have to worry about it going bang, as this is my only car and I use it for work. If it was a garage car I would of definitely tried for more boost and timing. I would highly recommend E85 if your going down this path, a high octane fuel will go a long way to preserving the engine a little longer. My 11.2 was with the std intake and crossover too, so a better intake would go a long way also, but also your weight reduction should sh*t it in ALLMTR.