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You can always watch the valves work as a friend turns the engine over by hand. Each valve will remain closed (that is, the rocker relaxed and just hangin' loose at .006") until it comes on for duty in the cycle... then you watch the rocker swing as it opens its valve, then it'll return again to the relaxed position. It is in this relaxed position that the adjustment needs to happen. Some folks (not me, heh) do some slick move where they put the engine in one orientation, jump around from cylinder to cylinder to adjust all of the relaxed valves, turn the engine once, and then finish adjusting the remaining valves. For us mere mortals, though, the Muir-described routine of adjusting at TDC is best. However, the first time a friend and I ever adjusted valves, we had our reference off, and all the valves were *super* tight -- we couldn't believe it. Well, you guessed it -- were were adjusting rockers that were under tension. Anyway, that's why I'm suggesting watching the valves work while somebody turns it over. It gives you a nice sense of what's going on, and can make things more certain (like, if you've got the dizzy gear installed in the wrong orientation, and that's throwing you off, etc.). -Greg ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org