View Single Post
Old 06-15-2023, 07:29 AM   #31
hotrodcbx
Senior Member
 
Join Date: Jul 2010
Posts: 141
Default Re: Motor City Flathead question

Quote:
Originally Posted by Moonshin'R View Post
Ok, I looked over the upper block and found the date code H/24/M (7/24/1950). I see what you are saying about the heads and the 325# on it. It looks like they are unmarked OFFY heads. I will continue to look around the block as I am cleaning things up to see if I see any numbers or letters. Does anyone know what the "F" and incomplete circle might be? listed in the pictures provided in earlier conversation. Thanks for your help so far 19fordy.
The "325" stamp is the depth of the combustion chamber on a Offy head. They came in a number of different depths dependant on the compression ratio and cam lift the buyer may want.
hotrodcbx is offline   Reply With Quote