3.9.09 Bill+ Co. I have a 36 c-10 Imperial Airflow undergoing complete rebuild,for an endurance rally for 9/10. Peking to Paris Q: You mention the flappers-I assume the manifold heat control. Is that problematic?? I was planning on removing for Murphy's Law. Q: Are there any "weak" points to the engine, like carb,manifold distributor,clutch;etc, that you recall? THANKS: Monte