Advancing Cam Question

SpeedThrills said
I'll try to address all of the ideas that have been posted!

First, I did a compression test (warm, throttle open), but haven't done a leakdown yet.
1) 180
2) 170
3) 185
4) 185
5) 170
6) 180
7) 170
8) 170

You mean this?
With iron heads?
and quench-pad pistons?
And you still want to advance the cam more?

Your numbers are pointing way more than 10.9Scr
Lets go look at them again
see post 18