ok. i think i got it right. just to make sure i will explain exactly what i did. I turned motor clockwise until i see int valve open then close. then about 1/4 turn i the piston is at top of stroke. BAM thats it right?? Reason i started second guessing is the long block i ordered came with the timing marks lined up but they had tdc when the EX. valve just closed. Which puts my dist cap pointing to #4 cyl tower on the cap, even though the timing marks lined up the way they had it. Also i was confused by setting tdc with the int valve just closing puts the timing marks off. It puts the crank mark where it should be but puts the cam sprocket mark in the 12 oclock position.