Ported Magnum Heads, Pushrod Pinch Removed

Mopar Sam said
How many ingots did you use?, and what size were they? Thanks!

I want to say it was 4 or 5, i didnt do both heads at the same time and we used some for my buddies heads.

This is where i get mine from
Zamak ZA 12 Ingot (Aluminum 10.5%-11.5%, Copper 0.5-1.2%, Zinc Balance