Never mind, I'm mixing your statements in with your question.
If you have a real OEM grind, we can assume the LSA is 114 degrees.
What I would do is mock it all up and see where the ICL falls with the timing gears straight up, and then make a judgement call.
That cam in a 302 needs at least 11:1 compression for best results. Anything less creates a soggy engine down low. With less compression I'd probably move the cam forward a pinch more than I would with more compression.
If it falls in around a 109-110 ICL I'd probably run with it and see how it acts. If you plan to run pump gas and have a true 11:1 compression, I wouldn't advance the cam any more than that.
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