Symptoms of wrong cam installation

Bewy said

B3,
Numbers don't add up.....
You say the cam is very sedate, idles smoother than the same cam in a smaller engine.
The implication from that is that it is not the same cam that is being compared.
I doubt the cam is retarded if it idles smoother because retarding a cam usually worsens idle quality.

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he does have full exhaust on the car, so it tends to influence my opinion somewhat.
But the idle seems way less choppy than my 360 did with same cam and similar( probably) compression.
Remember, this cam is on a 106 Lsa, so by nature its going to have a choppier idle, especially installed per Howards 102 recommendation.