thanks for all the info. i had the motor out bout 12 passes last year late i put a bone stock 1150 on gas just to break it in at 28 degrees timing it ran 5.04 138 the next pass i put it to 36 degrees it ran 4.91 at 141.67, i tell ya love the rfd heads curtis knows his stuff the motor was just off the trailer on the 12 th pass i wrecked saved the motor i just went thru it put oliver billets in it changed rings bearings all ready to go again.! i just want to put the best induction on it that will use all the motors horsepower thats it built for. i love alky and i think a terminator is going to be the way to go. thanks again jeff