80’s 318 compression ratio figuring out where I’m at.

This all sounds very familiar to my current 318. Was basically trying to do the exact same thing. I ended up with a .040 over 318, pistons .090 in the hole. I picked up a set of 302 casting heads (measured at 60cc). I used the thin steel shim head gasket. After some research I ordered up the comp XE262 cam. Last time I checked my cylinder pressure was in the mid-high 140's.. nothing to write home about. However, with a 2800 stall and 3:73 gears its alot of fun to rip around in. If I could back it up, I would have swapped pistons, but I was tight on cash and wanted to get back on the road.