MY THROTTLE RESPONSE F-ING SUX!

EVEN WHEN I DROP GEAR IT DOESNT SEEM TO PICK UP AS QUICK AS I THINK IT SHOULD...THE RPM'S SEEM TO LAG LIKE CRAZY...AM I JUST EXPECTING TOO MUCH OUT OF MY SOHC VTEC?

AND TO TOP IT OFF WHEN I GO TO START MY CAR...THE STARTER TURNS OVER BUT THEN IT KIND OF SPUTTERS AND THEN IT TURNS ON...IT ONLY DOES THIS AFTER ITS BEEN PARKED FOR A COUPLE OF HOURS THOUGH...WHAT THE HELL IS CAUSEING THIS?

SOME ONE HELP ME PLEASE!
