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Chris, between what Steven and Ben say is about what you want. Like Steven says, there are 3 things that the rotor position can be off from the dizzy (distributor) base, and he listed them. He made a very good point that the dizzy drive might be set in a type1 position, and if it is your mark on the dizzy base will be at least 90* off. Ben made a very good point about watching the valves open and close on # 1 cylinder. I've used that method before, several times. Personally I'd use the large groove in the crank pulley (look down thru the little hole), it's usually the one on the farthest left side, and that should be 0* or TDC for either # 1 or # 3. You can then verify this by checking the valves on #1 cylinder (you should be able to shake them and feel some looseness), you should be able to get an .006 feeler between the valve stem and the rocker arm tip. If not try a .004, note; if you can get the .004 but not the .006 in, then the exhaust valves are tight, and need to be adjusted. Once you figure out where # 1 cylinder is on the crank and valves, look at the dizzy and see if # 1 plug wire is lined up to the rotor. If it is then make a reference mark there, this will be your new TDC # 1 plug wire location for your engine. Like Steven mentioned earlier, you don't want to try and reposition the dizzy drive at this time (it's a lot of work, and you can open a new can of worms real quick trying it). You want to make sure your at # 1 , and then you can cycle thru the rest of the cylinders on your valve adjustment (following Muir's instructions). I hope this helps. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org