1968 Chevelle Flint & Tonawanda Date/Suffix Stamps

Examples of engine assembly plant ID stamped codes and engine VIN derivative stampings where applicable. Listings are in chronological order by date, 283/327 small block and I6 engines followed by 396 big block engines. The 396 engines are listed by plant when VIN derivative is known.

VIN derivatives were typically hand stamped at the final assembly plant and done with individual dies, the characters are seldom uniform size and nicely aligned making it difficult to determine if one you find is original or an aftermarket restamp. These are presented as examples, you be the judge if they are correct.

Often these were done haphazardly, stamped with individual characters and sometimes the year number was omitted as in some examples shown below. The VIN derivative stamping, where applicable, used a different set of stamps than the engine plant.

Note: The engine ID pad was not painted when the engine left the assembly line although it is often painted when engines are rebuilt during the course of their lifetime. Painting can also hide the factory broach marks on the pad making it difficult to determine if the block has been decked and numbers re-stamped.

These are just a few examples. For more details and photos, order my 1968 Chevelle Reference CD.

307/327 V8

Atlanta, Georgia

T0209EC ~ Tonawanda Engine Plant - February 9 - 327/275hp Powerglide - Atlanta assembly plant. The EC engine code suffix was changed from EE due to a Powerglide cooler line clip being added to the pan rail.
Photo Courtesy Vincent Polito

Baltimore, Maryland

T0706EI ~ Tonawanda Engine Plant ~ July 6 - 327/250hp Powerglide - Baltimore assembly plant. Note difference in the location of the Tonawanda engine stamp and the associated assembly plant VIN derivative between the 396 engine and the 327 engine shown here. It's also been found fairly common that Baltimore often stamped the letter "B" for the number "8" in 1968, 1BB225759 instead of 18B225759.

Kansas City, Missouri

Fremont, California

© ChevelleWorld - Courtesy Warren Leunig
T0423EI ~ Tonawanda Engine Plant ~ April 23 - 327/250hp Powerglide transmission.

396 V8

Atlanta, Georgia

Baltimore, Maryland

© ChevelleWorld
T0520EF ~ Tonawanda Engine Plant - May 20 - 396/350hp manual transmission (note stamp of 1BB instead of 18B, not uncommon for Baltimore).

Framingham, Massachusetts

Fremont, California

© ChevelleWorld

T1213EU ~ Tonawanda Engine Plant - December 13 - 396/350hp TH400 transmission.
Courtesy Chris Holcombe

Kansas City, Missouri

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This website is designed and maintained by Webs by Dale™ (WBD). This website was created as an informational forum only and the information is updated as needed. Some mistakes can be made, but I make every attempt to keep the details accurate and up to date. If you find an error, please use the email address on my Contact page and describe the issue. WBD shall not be held liable for any loss resulting from the use of the information contained on this website. This website is the sole property of WBD. Design, layout and website photographic images were all created by WBD or submitted by readers and are not to be copied or distributed without express consent from WBD in writing. Use of WBD name, logo or identity is strictly prohibited by law.

All submitted photos become the property of WBD and may be used for any legitimate purpose on this and other websites in the WBD family of websites or any print publications (books/calendars/CDs/et al.) associated with this author's efforts without compensation expected or due to the contributor.

VIN search disclaimer This Chevelle website is not designed to help you locate a car you owned 20-30 years ago. To my knowledge there is no known database of a car's VIN and its past/current owner. Such a public database would be a gross invasion of privacy. Law enforcement agencies can run a VIN in most cases to find the current owner but can only do so legally as part of any police action such as a suspected stolen car or one that has been in an accident to verify the owner. They CANNOT, legally, do a VIN search for personal reasons such as a favor to a friend.

Data presented here has been gathered from various websites, knowledgeable car owners, my personal observances, and GM's "Information Kits." I have found several differences on numerous websites, particularly in sales quantity and pricing. I have used (what I consider) the more reputable sources and Chevelle owners for the most accurate information available. Hopefully you will find the layout and how the data are presented acceptable. This site currently has almost 600 pages of data. If you find or suspect an error, please note the specific page and the suspected error when contacting me.

1968 Chevelle Flint & Tonawanda Date/Suffix Stamps

1964

1965

1966

1967

1968

1969

1970

1971

1972

307/327 V8

Atlanta, Georgia

Baltimore, Maryland

Kansas City, Missouri

Fremont, California

396 V8

Atlanta, Georgia

Baltimore, Maryland

Framingham, Massachusetts

Fremont, California

Kansas City, Missouri

Today is

1968 Chevelle Flint & Tonawanda Date/Suffix Stamps

307/327 V8

Atlanta, Georgia

Baltimore, Maryland

Kansas City, Missouri

Fremont, California

396 V8

Atlanta, Georgia

Baltimore, Maryland

Framingham, Massachusetts

Fremont, California

Kansas City, Missouri

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