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It's the CDK-455 Camshaft Degree Kit sold by Mondello. It has a 1" dial indicator, lifter bar for .842 & .921 bores, degree wheel and fixture that bolts onto the block or head (I'm using it without heads attached bolted to the block).
The readings are very close so thats probably an operator error as there is some play at TDC (3-4 degrees when the piston goes over center).
Based on the numbers I would guess the actual numbers are as follows:
Intake at 15 BTDC Open and 30 ABDT Close.
Exhaust at 55 BBDC Open and -11 ATDC Close
I will check with the machine shop tomorrow on the angle but as most people know, there are a lot of Chevy guys and few Olds.
Any tips on what I might be doing wrong or what I can check to verify?
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