i posted a little bit ago about my motor making noise almost like pinging in a car with bad gas...My dealer told me to de carbon the engine using crc de carbonizer he said to just spray it thru the throttle bodies while running and use the entire can then let it sit for 30 minutes then start it back up and run it a little...I did this and all the noise i had went away and it feels like i got a little power back especially in the holeshot...Is this something i should do on a regular basis or what? chris c nj