coughing

Hello, I've done the "shot gun", synchronized the carbs, and currently running sea foam in the fuel. At low gear and rpm, I'm still getting a "cough". I took the air box out and watched what was happening. If you look straight down, and turn the throttle a little, the needle and...

I recently purchased an '04 VMAX with 1,000 miles on it. It has two minor (I hope) issues; 1) sneezing at idle and low speed, and, 2) the right front exhause pipe is blued for about a foot from the engine. I removed the brass plugs and found the following settings: Cyl 2 Originally set @ 3...