Mopar 413/426 Max Wedge block casting number confusion

Lefty71 said

I thought that not all max wedge blocks had that notch???
A question for Greg Lane if there ever was one.... find any info on his site??

Click to expand...

If, IF it is a max block maybe used in some other application, maybe. If it had maxwedge heads on it, it either has notches or eight bent exhaust valves. (if it was a 413 that is.... )