Caseyj

Hello guys, long time fan of this site but this is my first post. so I built a driveline 421 assassin 4mil and I’m curious what to set the timing at? mods listed below driveline assassin jugs driveline 4mil crank 28 mm pwk vforce reeds pods toomey t-5 exhaust driveline cool head with 24cc domes Running 93 octane How much can I advance the timing? thoughts???