Yes it was; 4.1. So, I guess you could say they put in a 50 thou notch? But if Bill is gonna build a new block, or even stay with the current one there’s going to be some over bore (full diameter notch work) anyhow.
Not sure how much (if any) Edelbrock moved the valves on these heads. The intake seat overlaps/is cut into the exhaust seat, so the valves dang near kiss each other.
