yeah... about the tappin noise, i have it too... but with my car it began after a NASTY miss-shift. i dropped it from 3rd at 8k rpm to 2nd! DUMB ASS!!.... right after i reacted and took it out of 2nd, and the car idled down... it turned off on me... it's had the tappind ever since.. it has turned off on me a couple of times while at a red light, and the tappin only seems to get bad while idling in colder weather.. i live in miami, so right now the weather is cold one day and hot the other.. that's how i noticed.... so you guys think i bent a valve.. or what?