348/409

The suffix codes can be found stamped on a pad located on the front of the passenger side cylinder head as shown in this example:


An example: (T03I9QA)

T=Tonowanda (assembly plant)
03=March (month)
19=19th (day)
QA=400hp 409 (suffix code)

All 348's and 409's were assembled at the Tonowanda plant however there were some blocks with CFD cast into them that came from the Central Foundry Division when there was a strike at the Tonowanda plant.

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Want to take a copy of these suffix codes with you for the next swap meet?
Click here to go to the printable suffix code list.

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Suffix Codes

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Suffix Code	Year Used	Application	Horsepower	Cubic Inch	Special Notes
F	1958-61	Pass. Car	250HP	348 V8	4Bbl. Manual trans.
FA	1958-61	Pass. Car	280HP	348 V8	3-2 bbls & Manual trans.
FB	1958-59	Pass. Car	315HP	348 V8	3-2 bbls, manual trans. and Hi Perf. solid Cam
FC	1958	Pass. Car (police)	315HP	348 V8	4 bbl and Hi Perf. Cam
FD	1958-59	Pass. Car	305HP	348 V8	4bbl., Man. Trans., high perf. solid cam
FE	1959	Pass. Car	335HP	348 V8	3-2 bbls and Man. Trans.
FE	1960	Pass. Car	335HP	348 V8	3-2 bbls, manual trans and High perf. solid cam
FG	1959	Pass. Car	320HP	348 V8	4 bbl., manual trans., High perf. solid cam
FG	1960	Pass. Car	320HP	348 V8	4 bbl., manual trans., High perf. solid cam
FH	1961	Pass. Car	350HP	348 V8	3-2 bbls, manual trans., High perf. solid cam
FJ	1960-61	Pass. Car	340HP	348 V8	4 bbl., manual trans., High perf. solid cam
FL	1961	Pass. Car	305HP	348 V8	4 bbl., manual trans., High perf. solid cam
G	1958-60	Pass. Car	250HP	348 V8	4 bbl., Powerglide
GB	1958-60	Pass. Car	280HP	348 V8	Powerglide
GD	1959-61	Pass. Car	305HP	348 V8	4 bbl., Powerglide, High perf. solid cam
H	1958-61	Pass. Car	250HP	348 V8	4 bbl., Turboglide
HA	1958-61	Pass. Car	280HP	348 V8	3-2 bbls, Turboglide
IJ		Marine		409 V8	Used in boats
JA	1965	Pass. Car	400HP	409 V8	4 bbl, Manual trans.
JB	1965	Pass. Car	340HP	409 V8	4 bbl. (Rochester). Manual trans.
JC	1965	Pass. Car	340HP	409 V8	4 bbl, Transister Ignition
JD	1965	Pass. Car	400HP	409 V8	4 bbl., High Perf. engine, Transister Ignition
JE	1965	Pass. Car	340HP	409 V8	4 bbl., Powerglide trans.
JF	1965	Pass. Car	340HP	409 V8	4 bbl., Powerglide, Transister Ignition
Q	1961	Pass Car	360HP	409 V8	4 bbl, Manual trans., high perf. solid cam
QA	1961	Pass. Car	360HP	409 V8	4 bbl., 4 speed, High perf. solid cam
QA	1962	Pass. Car	380HP	409 V8	4 bbl, Manual trans.
QA	1963-64	Pass. Car	400HP	409 V8	4 bbl, Manual trans.
QB	1962	Pass. Car	409HP	409 V8	2-4 bbls, Manual trans.
QB	1963-64	Pass. Car	425HP	409 V8	2-4 bbls, Manual trans.
QC	1963-64	Pass. Car	340HP	409 V8	4 bbl (Rochester), Manual trans.
QD	1962-65	Truck	252HP	409 V8
QE	1962-65	Truck	252HP	409 V8
QG	1963-64	Pass. Car	340HP	409 V8	4 bbl.(Rochester), Powerglide trans.
QJ	1963-65	Truck	252HP	409 V8
QN	1964	Pass. Car	340HP	409 V8	4 bbl, Manual trans. Transister Ignition
QM	1963	R.P.O. Z-11 only	430HP	427 V8	R.P.O. Z-11 4 Speed Only.
QP	1964	Pass. Car	425HP	409 V8	2-4 bbls. Manual trans. Transister Ignition
QQ	1964	Pass. Car	340HP	409 V8	4 bbl. Manual trans. Transister Ignition
QR	1964	Pass. Car	340HP	409 V8	4 bbl. Powerglide. Transister Ignition
T	1958-59	Truck	230HP	348 V8
TA	1958-59	Truck	230HP	348 V8
TC	1960-64	Truck	230HP	348 V8
TD	1960-61	Truck	230HP	348 V8
TD	1962-64	Truck	220HP	348 V8
TE	1960-61	Truck	230HP	348 V8
TE	1962-64	Truck	220HP	348 V8
TF	1961	Truck	230HP	348 V8
TF	1962-64	Truck	220HP	348 V8
U	1958-59	Truck	230HP	348 V8
UA	1958-59	Truck	230HP	348 V8
XXG		Truck			replacement truck
YM	1965	Truck	220HP	348 V8	Manual trans.
YP	1965	Truck	220HP	348 V8

Want to take a copy of these suffix codes with you for the next swap meet?
Click here to go to the printable suffix code list.

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