I posted on july 1 about an engine I have. With Bob Smiths help I can tell you more about what I have. This is a Continental engine used in the A-22,8 bolt head with heat box exh. Date on head is 5-8-23 and date on block is in the other posting.If anyone has any interest ,I can send some pics.email me at lgdube@bresnan.net or call 719-486-1518 Thanks