PLEASE READ!!!! I NEED HELP!!!! I HAVE A 89 HB WITH A JDM, B16.. ALRIGHT.. I CHANGED MY WIRES AND PLUGS LAST WEEK. THE CAR DROVE FINE FOR ONE DAY. THEN THE NEXT DAY, THE CAR STARTED LIKE JUMPING BACK AND FORTH VIOLENTLY BETWEEN 2 AND 5K RPM IN EVERY GEAR.. LET ME EXPLAIN A BIT MORE.. i would pull out of my complex and start accelerating in first gear.. as i would climb in rpm's i tjought the car was going to stall but then it accelerates hard and it keeps repeating this process getting more and more violent until it reaches around 5000 rpm and then the car runs fine.. now it does it in all gears so i dont think it's the tranny.. i let the car sit overnight and then the next morning i took out my new plugs only to find out that the secong plug from the right was black, so i reinstalled my oem wires and plugs and took the car for a ride.. it didnt jump!!! but as the car warmed up it began to do it again-jumping and ****.. so i took out that plug from the cylinder that made my new plug black and sure enough that old plug i just reinstalled was also black.. SOME PEOPLE SAY VALVE.. OTHERS SAY PISTONS OR RING.. MAYBE VTEC SOLENOID(BUT THAT WOULND EXPLAIN THE CARBON ON MY 1 PLUG RIGHT?).. I JUST WANT TO KNOW WTF IT IS SO I CAN FIX IT FOR NOPI... PLEASE HELP ME PEOPLE!! I LIVE BY PITTSBURGH, I AM WILLING TO TOW THE CAR 3 HOURS TO GET THIS RESOLVED LIKE ASAP.. THANKS FOR ALL WHO TRY TO HELP ME.. PEACE