SBC 383 Plus and gap

[westlacamaro]

I have a 383 with DART iron eagle heads and a .550/.551 flat tappet cam.
Does anyone have a reccomendation on plugs and gap..

[fla1976]

What type of ignition? What compression ratio?

[et7333]

Champion V59YC,if on Alky or V57YC on race gas