1968  Chevelle Engine Photos & 396 cid Engine Production Numbers

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1968 396 V8 Engine Production

RPO	HP	Transmission	Suffix	Production	Notes
L35	325	Manual	ED	26,831
L35/M35	325	Powerglide	EK	02,042
L35/M40	325	TH-400	ET	19,114
				46,987	Total L35 Engines
				45,553	Total L35 Chevelles
97% of total L35 engine production went into Chevelles in 1968.				01,434	Service Engines
L34	350	Manual	EF	9,630
L34/M35	350	Powerglide	EL	0,126
L34/M40	350	TH-400	EU	3,795
				13,551	Total L34 Engines
				12,481	Total L34 Chevelles
92.1% of total L34 engine production went into Chevelles in 1968.				1,070	Service Engines
L78	375	Manual	EG	4,848	Total L78 Engines
				4,751	Total L78 Chevelles
98% of total L78 engine production went into Chevelles in 1968.				0,097	Service Engines

Note that beginning in 1968 all engines, not just 396 cid engines, received partial VIN identifying stamps as directed by GM.  Also note  difference in the location of the Tonawanda or Flint engine stamp and the associated assembly plant VIN derivative between the 396 engine and the 307/327 engines.

Small Block V8 Engine

Atlanta

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

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.

V1005EP ~  Flint Engine Plant - October 5 - 327/325hp manual transmission

V0901EP ~  Flint Engine Plant - September 1 - 327/325hp manual transmission

V0409ES ~  Flint Engine Plant - April 9 - 327/325hp manual transmission

V0301EP ~ Flint Engine Plant - March 1 - 327/325hp manual transmission

V0717EP ~ Flint Engine Plant - July 17 - 327/325hp manual transmission

T0907DE ~ Tonawanda Engine Plant - September 07 - 307/200hp Powerglide transmission

Kansas City

V0307EC ~ Flint Engine Plant - March 07 - 327/275hp Powerglide transmission

Fremont

V0816EE ~ Flint Engine Plant - August 16 - 327/275hp Powerglide transmission

T0221DF ~ Tonawanda Engine Plant - February 21 - 307/200hp Powerglide transmission

T0423EI ~ Tonawanda Engine Plant ~ April 23 - 327/250hp Powerglide

Big Block Engine

Atlanta

T0824EK ~ Tonawanda Engine Plant ~ August 24 - 396/325hp Powerglide transmission

T1120EK ~ Tonawanda Engine Plant ~ November 20 - 396/325hp Powerglide transmission

T0119 ~ Tonawanda Engine Plant ~ January 19 - 396/375hp manual transmission

T0205ED ~ Tonawanda Engine Plant ~ February 5 - 396/325hp manual transmission.

T0628ET ~ Tonawanda Engine Plant - June 28 - 396/325hp TH400 transmission

Baltimore

T0221EK ~ Tonawanda Engine Plant - February 21 - 396/325hp Powerglide transmission

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

T0520EG ~ Tonawanda Engine Plant - May 20 - 396/375hp manual transmission

T0522ED ~ Tonawanda Engine Plant - May 22 - 396/325hp manual transmission

T0611EG ~ Tonawanda Engine Plant - June 11 - 396/375hp manual transmission

T0705ET - Tonawanda Engine Plant - July 5 - 396/325hp TH400 transmission

T0709EF - Tonawanda Engine Plant, July 9 ~ 396/350hp manual transmission

Framingham

T0208ED ~ Tonawanda Engine Plant - February 8 - 396/325hp manual transmission
Courtesy Jim Eoannou

Fremont

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

T1213EF ~ Tonawanda Engine Plant - December 13 - 396/350hp manual transmission

T1219ED ~ Tonawanda Engine Plant - December 19 - 396/325hp manual transmission

ST0110ET ~ Tonawanda Engine Plant - January 10 - 396/325hp TH400 transmission

T0621ET ~ Tonawanda Engine Plant - June 21 - 396/325hp TH400 transmission

Kansas City

T0907ED ~ Tonawanda Engine Plant - September 07 - 396/325hp manual transmission

T1128EU ~ Tonawanda Engine Plant - November 28 - 396/350hp TH400 transmission

T0228ED ~ Tonawanda Engine Plant - February 28 - 396/325hp manual transmission

T0508EG ~ Tonawanda Engine Plant - May 8 - 396/375hp with manual transmission

T0529ED ~ Tonawanda Engine Plant ~ May 29 - 396/325hp manual transmission.

T0625EF ~ Tonawanda Engine Plant - June 25 - 396/350hp manual transmission

T0717ED - Tonawanda Engine Plant - July 17 - 396/325hp manual transmission