HAVE JUST PULLED ENGINE AND TRANS OUT OF 68 F100 87K SHOWING ON ODO LOOKS ORIGINAL GREAT SHAPE TO RESTORE. WHERE I NEED HELP IS I WILL BE TAKING BLOCK INTO MACHINE SHOP IN A COUPLE DAYS BY THE WAY IT,S A 390 MY QUESTION IS HOW SHOULD I RAISE COMP ON THIS ENGINE WHAT I HAVE PLANNED NOW IS REBUILD KIT PLUS NEW EDEL CARB INTAKE CAM LIFTERS TIMING CHAINS AND GEARS PLUS HEADERS ALL THESE ADD ONS ARE GOING TO BE EDELBROCK PERFORMER PACKAGE 0-5500 RPM I DONT BELIEVE I WILL HAVE TO REPLACE PISTONS BUT IF I NEED TO TO GET COMPRESSION UP I CAN OR WOULD ANOTHER SET OF HEADS WORK FROM ANOTHER FE ENGINE ALSO WHAT CAN I DO AS FAR AS THE ROCKER ARMS ARE CONCERNED THEY ARE TUBE MOUNTED I,M NOT SURE WHERE TO GO REALLY NEED TO MAKE THIS A GOOD DAILY DRIVER HOWEVER A GOOD 1/4 MAKES ALL THE WORK WORTH WHILE IF YOU HAVE A REALLY GREAT 390 RECIPE PLEASE LET ME KNOW THANKS