The Ford Barn

fordmerc7 · 07-11-2021, 10:03 AM

Do all Model A engine numbers include a letter and or a star?

What if an engine has only numbers?

rotorwrench · 07-11-2021, 10:45 AM

A or AA is always part of the number. Canada used CA or CAA. I've seen a lot of re-stamped blocks due to illegible numbers. The frame number should be complete.

Bob Johnson · 07-11-2021, 10:48 AM

All factory stampings started with a star the an A or AA (except for foreign made blocks) followed by a number and ending with a star. Over the years many engines have had their stampings filed down and re-stamped with something different that a factory number. This could have been done because an engine rebuilder stamped the engine with a "rebuilt" number. Or other reasons. Most of the time the original stamping was filed down. If you look at the pad you should see a flat smooth surface. The original surface was rough like the rest of the block surface.
Bob

51504bat · 07-11-2021, 10:58 AM

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Maybe a Diamond replacement engine that came with no number and someone stamped it without a letter?

07-11-2021, 10:03 AM	#1
fordmerc7 Member Join Date: Sep 2015 Posts: 47	engine numbers Do all Model A engine numbers include a letter and or a star? What if an engine has only numbers?

07-11-2021, 10:45 AM	#2
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,431	Re: engine numbers A or AA is always part of the number. Canada used CA or CAA. I've seen a lot of re-stamped blocks due to illegible numbers. The frame number should be complete.

07-11-2021, 10:48 AM	#3
Bob Johnson Senior Member Join Date: May 2010 Location: California Posts: 979	Re: engine numbers All factory stampings started with a star the an A or AA (except for foreign made blocks) followed by a number and ending with a star. Over the years many engines have had their stampings filed down and re-stamped with something different that a factory number. This could have been done because an engine rebuilder stamped the engine with a "rebuilt" number. Or other reasons. Most of the time the original stamping was filed down. If you look at the pad you should see a flat smooth surface. The original surface was rough like the rest of the block surface. Bob

07-11-2021, 10:58 AM	#4
51504bat Senior Member Join Date: Sep 2013 Location: SoCal-Redlands Posts: 3,018	Re: engine numbers Sponsored Links (Register now to hide all advertisements) Maybe a Diamond replacement engine that came with no number and someone stamped it without a letter? __________________ Making the simple complicated for over 30 years.