Thread: 454 with two heads ! ! !

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washer could be valve shims? if they are black .blue hpVSI. sliver or gold and say VSI they are not washers there other makes as well . a photo would help ? yes i seen and taken hand fulls of shim s off heads. i do not do heads that way. if the springs are that weak get new springs.i try not to use much shim to get springs back up EX side takes the beating. all you do is run closer to coil bind . i work with the setup of valve in the head s where i want the setup for the springs taller or shorter keeper +or-and +or-retainers to go up or down as well a longer valve stem. if all this fails to get me were i want. i will use shims then a spring cup or hat if there is no way to hold the spring from walking after shiming.if not fixed .i have seen cut valve seals and cut in valve guids. i do not cut much in the spring pockets there alot of ways to go. thinner cup s or hats plus keepers and longer valves or hi retainers . but some times if i have to cut out 020or 030 that about all i care to cut from a head.yup i have seen over ported or over cut valve spring pockets cut in to the intake runners were they try to fix a big Fck up with a cup or hat with jb weld glue to them