Join Date: Jan 2014
Location: South Central PA
Go 3 1/2 or go with 4 turns. Makes no difference, so long as the tappet is at full length and on cam base when you start.
If you turn the motor through till the cylinder is about 1/2-2/3 the way up the compression stroke, you can adjust both tappets for that jug. Start with the rods loose enough to feel the free play. Then adjust them till they get to zero lash. If you spin the rod between you fingers, it will stop spinning when it reaches zero lash. Then add in how ever many turns of preload and lock em down. After that, go drink a beer or chase the ole lady for 15 min or so. When you get back, you should be able to spin the rods between your fingers again. If you can, close it up and do the other jug.
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