From:John Faraci e-mail:thevetteshop@aol.com
Subject:RE: ACE engine no. Date:Tue May 24 21:24:42 2016
Response to:6231
"S" is for sport model.
"E" is for the year.

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Hello
My1926 ACE engine no. start "S" and this "S" letter stamp is
little smaller than after "E" and four digits no.
I saw several ACE engine no. start by "S".
Does anybody tell me mean of it?
My ACE originaly deriverd to Japan back in 1926.

Thank you from Japan
Now