ENGINE NUMBER

AA Ford Discussion Group relating to the repair and restoration of your AA Ford.
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macswoods
Posts: 269
Joined: May 4th, 2009, 1:20 pm
Body Type: 82-A
Model Year: 1929
Location: Wilhoit, Arizona

ENGINE NUMBER

Post by macswoods » June 28th, 2017, 6:28 pm

While looking for information in the Service Bulletins I found the following. On page 228, February 1928 " The letters "AA" which were formerly stamped on engines intended for Truck use have been discontinued. All engine numbers are now prefixed with the letter " A " only. ??? Thought AA's were stamped AA and number. Any insights ? BIG Fire in Prescott,AZ

Bob C
Posts: 1058
Joined: April 24th, 2003, 11:50 am
Body Type: Mail truck, Stake tr
Model Year: 1931
Location: SO CAL

Re: ENGINE NUMBER

Post by Bob C » June 28th, 2017, 6:37 pm

That was when the A and AA used the same clutch springs. The engines were stamped with
AA when they had the stronger springs than the A.

Bob

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Chris Haynes
Posts: 1892
Joined: September 7th, 2003, 5:18 pm
Body Type: 82A
Model Year: 1930
Location: North Hills, CA/ Pine Grove, CA

Re: ENGINE NUMBER

Post by Chris Haynes » June 28th, 2017, 9:12 pm

After a few months the AA came back.

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macswoods
Posts: 269
Joined: May 4th, 2009, 1:20 pm
Body Type: 82-A
Model Year: 1929
Location: Wilhoit, Arizona

Re: ENGINE NUMBER

Post by macswoods » June 28th, 2017, 10:43 pm

Okay, just didn't see any up dates. It is good there is info on the site.

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Neil Wilson
Posts: 2458
Joined: February 5th, 2003, 9:42 pm
Body Type: 89-A
Model Year: 1930
Location: Boulder, CO
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"A" and "AA" prefixed engine id's

Post by Neil Wilson » June 29th, 2017, 7:42 am

macswoods wrote:
June 28th, 2017, 10:43 pm
Okay, just didn't see any up dates. It is good there is info on the site.
The conversion back to the "AA" engine id prefix was covered in the May 15, 1928 Indianapolis service letters. And, this is covered in the table at http://aafords.com/aa-information/#feidm as well as being covered in the RGJS E Supplement. AA-98977 has been found helps define the end of the "A" prefixed ID's for the AA's.
Regards, Neil Wilson
______________________________________
neilwilson.aaford@gmail.com - use this email for contact
www.aafords.com - AA information and photographs

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