Dubs: The a/c part is not a problem. I had it installed with my a/c and it cleared it fine. I did take the a/c out prety soon afterwards...much better.
I'm not sure if it'll fit on a D16y7...email Greddy and ask them.
I had it tuned up to 12psi on a stock D16z6. Got 225whp.
Make me an offer man!