suggestions on timing on 70 340, programmable ignition

moper said
What is the whole combo? bumper to bumber?

340 .30 over
forged speed pro pistons
202 j heads
Forged pistons/rods 10.5:1
509 lift cam at 292 duration (PURPLE SHAFT)
flat tappet - hydraulic
6-71 around 10 or 15% overdriven