[saltshaker]

I recently changed carbs from 450 mech to 600 vac and there was a hudge difference....no bog vs tires that broke loose, but I still felt the motor could be more responsive. I also have driven the car on several trips of over 200 plus miles a day and the noise can be a problem( my ears ring all the time)... So when I thought about a motor that could be more responsive and had read about how restrictive the side pipes were I also thought that maybe a under the car exhaust might be less restrictive and give me more hp and move the noise from below my ears. With a muffler change in the side pipes maybe I could accomplish the same thing! As for air cleaners, I'm using Stelling & Helling....no room to go up!
Jon