Your 3.55's IMO are pointless unless you have some serious rear tires. I like the HYD roller thinking.

In HS in the late 60's I had 413 with LR in my 62 Polara with a mild crane Hyd cam. I added a, at the time, the trick "Varicam" cam sprocket, thinking it would optimize the LR's for my street application. I was a kid, have no real idea how well it really worked, but it needed a specially curved Dist to work properly. It sure was all done over 5,000rpm.