Cam degreeing help me understand!

George Jets said

Your roller lifter is turning sideways in the lifter bore, when it is suposed to be held straight by the Spider Bracket that holds the lifters straight and keeps the lifter wheels turning in the right direction.

That will mess up your readings.

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To add to this you need to STOP using the edge of the lifter. You’ve got so much crap down there that it’s a bad way to do it.

Find an old pushrod and cut it off an inch above the deck. Put the end of the dial indicator into the hole in the pushrod. If you don’t have one, let me know and I’ll cut you one up and send it to you.

Then you can get the dial indicator in line with the lifter and the pushrod. And you can get the DI up where you can see it.