I would like to ask: If I removed the air pump to my '76 spider, or at least removed the belt so it did not function, if that would adversely affect my spider's performance? I had a similar air pump on a non-Alfa, and removing the air pump had no effect except reduce the items that the crank pully had to power. I simply blocked off the air pump inlets to the exhaust manifold and it worked great. That was a Japanese car, and I'm guessing the answer won't be so simple on an Italian car. Has anybody had experience with this? Should I just leave it well enough alone? I don't have to worry about emissions certificates from my state.