I have two pictures attached, I know that the front main does not have any seal, I am wondering if the grove shown in the picture requires one on the 1933 207?

Any help is much appreciated!
Attachments
6C3A507B-E5C3-4926-B47C-9120976C8F51.jpeg (287.14 KB, 101 downloads)
4CC6B26C-2DAB-4C64-B155-EDA833424BCB.jpeg (305.41 KB, 101 downloads)


1933 207 stovebolt shoved into a Chevy 1/2 ton with all the 29-32 left overs. (Woody) - all original, originally old!
Courage = Being scared to death, then going to do the task anyways!