500 cube engine recipes

505" RB wedge:
'69 440 block - oil passage/drainback mods, stock pickup size, main studs, stock caps, deck set at 10.700, bore 4.350
Melling std oil pump w/high pressure relief spring
MP windage tray
Stock Hemi pan
4.25 stroke Source crank
7.1" Source rod
17cc dished Source pistons
Speed Pro file-to-fit rings
internally balanced (not by Source)
RPM heads - Stage I cleanup, Serdi valve job, gasket matched intake ports, minor chamber shaping, 80cc chambers
10.8:1 static, 8.4:1 dynamic, .034" quench distance
Crane 1.5 rockers
Smith Bros push rods
Felpro Performance head gaskets
Engle custom solid flat tappet 260/268ish duration @ .050, .600ish lift.
Edelbrock six pack intake, new Holley carbs w/Promax plates
MSD distributor/hidden 6AL
Installed with TTi headers in E body makes around 490tq 475hp to the tires on pump 91. Assembled, run to break in cam, retorqued heads, installed inner valve springs, oil changed & ready to drop in and run $10,500.00 with his block.

I notice the 8 degree split on that camshaft. How tight is that? 110? Also, what was the compression height on those pistons?