hey guys, so i have a 97 gtp and im tryin to get it like perfect,

question 1
when i rev the engine, pedal to the floor in neutral, it ion 2only revs to 4k and kinda bounces off 4k, is that normal?

question 2
i have had a miss in cylinder 4 for a long time, im gonna change cables and yadda yadda, but would it be anything else?

question 3
my supercharger is making a "chatter" noise from around the snout of the charger, WHAT THE HECK IS THAT?!

really need some help here

thanks in advance