liquid_cool wrote:no they work as pushers bro..thats called direct contact shim over bucket desighn....lifters work with rocker style and push rods..with these the cam lobe directly pushes the valve in and lets the valve seat again after its duration..where as the lifter style uses the cam to push a rod ot the rocker arm to push down the valve..hope this brings a better understanding....now for the kicker!...you need to take each shim off of the top of the bucket..to do this , use a small flat screw driver..you need to meshure each one and write it on top of each shim and put it back on the bucket it came off of..donot remove them all and get em mixed up...after you do that...put all the buckest back over the valves and them install the cams..you will need to check the gap with the lobe pointing up in the air..write each meshurement down next to that bucket on the side of the head...after this is all done..if some are good..but some to wide or tight..do some math and find what shims would fit where better...thats the way its done..good luck..post again if ya have any more questions.
that's exactly what i had to do. it took me 3 f%*king hours, but i got all the clearances right, after putting the cams on and off over and over again along with lots of math because you only have so many shims to work with.