1973 EUN:

Year	Engine Code	Cast Date	Block Code	VIN	EUN	Car Model	Plant	Build Date	Comments
1973	XD	K112	490132	23N145255		TA	N-Norwood		SD 455
1973	YK		485428	23C105785	9851		C-Southgate		455
1973	YC	H102	485428	23P104756	38622	Grandville	P-Pontiac		455
1973	YW	C183	485428		45203	Le Mans			350
1973	Y4		485428		100975				455
1973	YA	I202	485428	23P150137	166775		P-Pontiac		455
1973	WW		485428	N100663	177714	Firebird	N-Norwood		455
1973	YC		485428	2V87Y3N101xxx	203393	TA	N		455 eun- 0 looks like c
1973	YC			N101136	203635	Trans Am	N-Norwood	10E	455
1973	YN	D273	481988	A1343321	220510		A		400
1973	ZC		485428	N105837	228494	Formula	N-Norwood		455
1973	YC		485428		262437				455
1973	YC	J093	485428	23X136293	282199		X-Kansas City KS		455
1973	YC		485428	23N114654	410548	TA	N-Norwood	01D	455 eun- 0 looks like c
1973	ZC	A293	485428	23C114656	455005		C-		455
1973	YC	A113	485428	33P262xxx	458114		Pontiac		455
1973	YC	A273	485428	23X160414	472627		X-Kansas City		455
1973	WW	D112	485428	23N121206	488912	Trans Am	N-Norwood	03B	455
1973	YK	D112	485428		515485				455
1973	WW		485428	N122188	523200	Firebird	N-Norwood	3-14-73 shipped date	455
1973	X4	A273	481988		533531				350
1973	XL		485428		547027	TA	N-Norwood		455
1973	X5	B193	481988	23P292071	549528	Catalina	P-Pontiac		400
1973	XN			2U87T3N125163	579411		N-Norwood		400
1973	XL	C123	485428	23p308353	594892		P-Pontiac		455
1973	XE		485428		616241	GP		04A	455
1973	WD	D233	488986		639242	Trans Am	N-Norwood		350
1973	XN	D043	481988		648757				400
1973	YW			N133818	650320	Formula	N-Norwood	05C	350
1973	XA	D183	485428		683994				455 drilled for 4 bolt main
1973	WC		488986		696026	Sprint			350
1973	XI	D143	481988		702621				400
1973	XA	D303	485428		726412	Grandville			455
1973	XD	K112	490132	23N139850	727236	Trans Am	Norwood	06C	SD 455
1973	ZJ		490132	N137610	730614	TA	N-Norwood	6-73	SD 455
1973	X0	C303	485428	23P358724	734531		P-Pontiac		455
1973	XD	K112	490132	23N137914	751974	SD TA	N-Norwood	06B	SD 455
1973	ZJ	K112	490132	23N138299/ 23N138018	769884	Trans Am	Norwood		SD 455
1973	XD		490132		777237	TA	N-Norwood		SD 455
1973	XA	K062?	485428		793315				455
1973	XD	K182	490132		805729	TA	N-Norwood	7-73	SD 455
1973	XD		490132	N140124	822912	Firebird	N-Norwood		SD 455
1973	XD		490132	23N140166	829960	Trans Am	N-Norwood	06C	SD 455
1973	XE		485428		839612				455
1973	XD		490132		851095	Formula	N-Norwood	7-73	SD 455
1973	XL	F153	485428	23A257648	857901		A-Arlington?		455
1973	XA		485428		863012				455
1973	XD	K112	490132	23N144548	865802	Formula	N-Norwood	07C	SD 455
1973	XD	K112	490132		866802	Trans Am	Norwood	07C	SD 455
1973	XD	K112	490132	N143478	875440	73 SD TA	N-Norwood	07C	SD 455
1973	XD	K112	490132		88?862	SD Formula	N-Norwood	07C	SD 455
1973	ZJ		490132	N144933 engine has 23N144932?	882095	TA	N-Norwood	07E	SD 455
1973	XD		490132		882240	TA	N-Norwood	8-73	SD 455
1973	XD		490132	23N145023	896377	Trans Am	N-Norwood	07D	SD 455
1973	XD	K112	490132	N144666	896387	Firebird	N-Norwood		SD 455

1974 EUN:

Year	Engine Code	Cast Date	Block Code	VIN	EUN	Car Model	Plant	Build Date	Comments
1974	YH	J083	481988	1165912					400
1974	YY	D283	485428	292344	14720	?			455
1974	YY		485428		36094				455
1974	YX	I303	485428	24P255816	51153		P-Pontiac		455 *
1974	YT	H183	481988	24P118229	75168		P-Pontiac		400 *
1974	YY	I113	485428	24N111726	114372	Firebird	N-Norwood		455
1974	YY	I223	485428	24X117xxx	127717	GV	X-Kansas City		455 *
1974	Y8	K112	490132	2U87X4N115xxx	130569	Formula	Norwood	11C	SD 455
1974	Y8	K112	490132	N115xxx	160458	Formula	N-Norwood		SD 455
1974	YS	H223	488986		188967				350
1974	Y8	A223	490132	N116086	229462	SD TA	N-Norwood		SD 455
1974	Y8	K182	490132	24N116086	229462	TA	N-Norwood	11-27-73 shipped date	SD 455
1974	Y8		490132	N115366	236436	Firebird	N-Norwood	11-21-73 shipped date	SD 455
1974	ZU			N116313	264920	TA	N-Norwood	11/73	455
1974	YH	K133	481988	24D122913	265394		D-		400
1974	YY	J233	485428		267593				455
1974	Y8	A093	490132	24N116xxx	274016	Trans Am	Norwood		SD 455
1974	Y8	A093	490132	24N122xxx	297126	Trans Am	N-Norwood		SD 455
1974	YY	K293	485428		311639				455
1974	Y8	A093	490132	24N121813	314946	Trans Am	N - Norwood	01A	SD 455 *
1974	Y8		490132	N121xxx	318419	TA	N-Norwood		SD 455
1974	Y8	A093	490132	24N122xxx	321614	Firebird	N-Norwood		SD 455
1974	Y8		490132	24N121633	321839	Firebird	N-Norwood		SD 455
1974	Y8		490132	120506	321901	Firebird	N-Norwood		SD 455
1974	Y8		490132	N121xxx	328901	TA	N-Norwood		SD 455
1974	Y8	A093	490132	N123283 engine has 24N123282?	339224	SD TA	N-Norwood	01B	SD 455
1974	Y8		490132		0339366	Firebird	N-Norwood		SD 455
1974	YH	L183	481988	24R(B?)210173	344432				400 no leading zero in eun
1974	YA	L123	488986	24R210152	344665		R-Arlington		350
1974	Y8		490132		356460	TA	N-Norwood		SD 455
1974	Y8		490132	2V87X4N131678	368897	Trans Am	N-Norwood		SD 455
1974	Y8	A093	490132	24N131895	373423	Firebird	N-Norwood		SD 455
1974	Y8	L203	490132	162482	373485	TA	N-Norwood		SD 455
1974	Y8		490132	24N151xxx	373487	TA	N - Norwood	5-74	SD 455
1974	Y8	G073 on heads	490132	24n133137	373501	Firebird	N-Norwood		SD 455
1974	Y8	A093	490132		373648	TA	N-Norwood		SD 455
1974	YS	A034	488986		375863	GTO			350
1974	Y8	K112	490132		380886	Trans Am	N-Norwood		SD 455
1974	YY		485428	2V87T4N137359	391886	TA	N-Norwood	04/74	455
1974	W8	A094	490132	xxx141	398378	Firebird	N-Norwood		SD 455
1974	W8		490132	2V87X4N151836	409879	Firebird	N-Norwood		SD 455
1974	W8		490132	N149239	424353	Trans Am	N-Norwood		SD 455
1974	W8		490132	N149693	436360	Firebird	N-Norwood	04C/D?	SD 455
1974	W8		490132	N155051	465414	Trans Am	N-Norwood		SD 455
1974	W8		490132	N157186	465420	Trans Am	N-Norwood	05D	SD 455
1974	Y8		490132	24N157449	467630	Firebird	N-Norwood		SD 455
1974	YF	E034	481988		470161				400
1974	Y8	L203	490132	24N157061	474208	Firebird	N-Norwood		SD 455
1974	WR	E214	481988		486408				400
1974	Y8		490132		487807	Trans Am	N-Norwood		SD 455
1974	Y8	L203	490132	159999	487827	TA	N-Norwood		SD 455
1974	Y8		490132	N160755	497104	Formula	N-Norwalk	6-74	SD 455
1974	Y8	L203	490132	24N160705	497107	Trans Am	Norwood	06B	SD 455
1974	Y8	L203	490132	N160410	497125	SD TA	N-Norwood		SD 455
1974	Y8	F233 on head date	490132	160455	499393	TA	N-Norwood		SD 455
1974	Y8	C294	490132	24N163xxx	501618	Firebird	N - Norwood	Unknown	SD 455
1974	Y8		490132	N168xxx	519997	Trans AM	N-Norwood	6-74	SD 455
1974	Y8		490132	N168533	520198	TA	N-Norwood	07D	SD 455 no leading zero
1974	W8		490132	N172391	522295	Formula	N-Norwood	08C 8-23-74	Last SD 455
1974	Y8	L203	490132	24N167355	522383	Trans Am	N-Norwood		SD 455
1974	Y8		490132	168278	527143	TA	N-Norwood		SD 455