THANKS YOU GUYS ELIMINATED DOUBTS I HAD.I'VE HAD PLUG FOULING PROBLEMS EVER SINCE THE MOTOR CHANGE.I BOUGHT THE MOTOR ALREADY BROKE IN BUT IS A STRONG RUNNER.MY PROBLEM IS THAT MY COUSIN KEPT HIS ELECTRIC PUMP.CARB,DIST ETC.IT HAS GM HEI WITH ACCEL COIL NOW.I SPOKE WITH HIM AND HE SAID HE WAS RUNNING 6.5 PSI.I WILL GET REGULATOR NEW AC R45 PLUGS INSTEAD OF 44'S AND GAP AT .035.IT HAS 750DP MECH SEC.IF ANY OF THIS SOUNDS WRONG CLUE ME IN.THANKS AGAIN AND GOD BLESS. I WOULD HAVE TO SPEND $100 IN SOMEONE'S SHOP AROUND HERE TO EVEN GET AN OPINION MORE OR LESS EXPERT ADVICE. P.S. THE FOULING IS DEFINITLY GAS AND NOT OIL.