Early Hemi engine id chart

DESOTO:
S17 - 1001	1952	Firedome	276	2	160
S16 - 1001	1953	Firedome	276	2	160
S19 - 1001	1954	Firedome	276	2	170
S21 - 1001	1955	Fireflite	291	4	200
S22 - 1001	1955	Firedome	291	2	185
S23 - 1001	1956	Firedome	330	2	230
S24 - 1001	1956	Fireflite	330	4	255
S24A - 1001	1956	Adventurer	341	2-4	320*
S25 - 1001	1957	Firedome	341	2	270
S26 - 1001	1957	Fireflite	341	4	295
S26A - 1001	1957	Adventurer	345	2-4	345*

DODGE:
D44 - 1001	1953	Red Ram	241	2	140
D50A - 1001	1954	Red Ram	241	2	140
D50 (1, 2, 3)	1954	Red Ram	241	2	150
D553 - 1001	1955	Super Red Ram	270	2 or 4	183 or 193
D500 - 1001	1956	D500	315	4	260
KD500 - 1001	1957	D500	325	4 or 2-4	285 or 310

CHRYSLER:
C51 - 8 - 1001	1951	Chrysler	331	2	180**
C52 - 8 - 1001	1952	Chrysler	331	2	180**
C53 - 8 - 1001	1953	Chrysler	331	2	180**
C541 - 8 - 1001	1954	New Yorker	331	2	195**
C542 - 8 - 1001	1954	New Yorker	331	4	235**
WE55 - 1001	1955	New Yorker	331	2	250
NE55 - 1001	1955	New Yorker	331	4	250
CE55 - 1001	1955	Imperial	331	4	250
3NE55 - 1001	1955	C300	331	2-4	300***
NE56 - 1001	1956	New Yorker	354	4	280
CE56 - 1001	1956	Imperial	354	4	280
3NE56 - 1001	1956	300B	354	2-4	340***
NE57 - 1001	1957	New Yorker	392	4	325
NE57 - 1001	1957	New Yorker	392	2-4	375***
CE57 - 1001	1957	Imperial	392	4	325
58N - 1001	1958	New Yorker	392	4	345
58C - 1001	1958	Imperial	392	4	345
58N3 - 1001	1958	300D	392	2-4	380
* Rare,all 2x4 represents about 10 percent of total production 1951 to mid 1954 has the extended block design * 300 high performance option

Connectingrod info

engine displacement CID	Casting#	Federal Mogul bearing#	Wristpin dia. (inches)	C / C Lenght	big end Dia.	width big end
241	1328783	R22Z	0.859	5.938	2.063	0.901
270	1328783	R22Z	0.859	5.938	2.063	0.901
276	1327417	R21E	0.921	6.067	2.188	0.938
291	1327417	R21E	0.921	6.067	2.188	0.938
315	1630398	R22EE	0.921	6.618	2.3755	0.901
325	1630398	R22EE	0.921	6.618	2.3755	0.901
330	1636609	R21F	0.921	6.625	2.3755	0.931
331	1324222, 1821345	R19Y	0.984	6.625	2.3755	0.994
341	1636609	R21F	0.921	6.625	2.3755	0.931
345	1636609	R21F	0.921	6.625	2.3755	0.931
354	1324222, 1821345	R19YY	0.984	6.625	2.3755	0.994
392	1673758	R19AB	0.984	6.956	2.505	0.99

Crankshaft info

engine displacement CID	cast#	Stroke	main Dia.	rod Dia.

241	1402625, 1483338	3.250	2.3750	1.937
270	1483338, 1671108, 1402538, 1402625, 1671108, 1731658, 1932610	3.250	2.3750	1.937
276	1327417, 1402034	3.340	2.3750	2.062
291	1402034, 1402624, 1419624	3.340	2.3750	2.062
315	1630432, 1739538	3.800	2.5000	2.250
325	1739538	3.800	2.5000	2.250
330	1635785	3.800	2.5000	2.250
331	1323335, 1335001, 1409421, 1419421	3.625	2.5000	2.250
341	1735785	3.800	2.5000	2.250
345	1736044	3.800	2.5000	2.250
354	1409421, 1419421, 1523335, 1619647, 1617184, 1635690	3.625	2.5000	2.250
392	1673755	3.910	2.6875	2.375

Crank and main dimensions


engine displacement	main on crank	main in block	rod Dia on crank	rod dia big end
392	2.6870 to 2.688	2.8800 to 2.8805	2.3740 to 2.375	2.5000 to 2.5005
331 - 354	2.4995 to 2.5005	2.6565 to 2.657	2.2490 to 2.25	2.3750 to 2.3755
330 - 345	2.4995 to 2.5005	2.6925 to 2.693	2.2490 to 2.25	2.3750 to 2.3755
315 - 325	2.4995 to 2.5005	2.6925 to 2.693	2.2490 to 2.25	2.3750 to 2.3755
276 - 291	2.3745 to 2.3755	2.5675 to 2.568	2.0615 to 2.0625	2.1875 to 2.188
241 - 270	2.3745 to 2.3755	2.5675 to 2.568	1.9365 to 1.9375	2.0625 to 2.063

Bore dia and pushrod lengths

displacement (Chrysler)	Cylinder bore Dia.	pushrodlength int	exh
331	3,813	9,625	11,125
354	3,940	9,625	11,125
392	4,000	10,125	11,550

torque specs.	lbs-ft
cam "Thrust Plate"	15
front cover	15
rod bolts	45
head bolts	85
head studs	100
distributor clamp	15
exh. manifold bolts/nuts	25
intake bolts	30
main bearing bolts	85
main bearing studs	85
oilfilter bolts	25
oilpan bolts	15
ign. plugs	30
Harmonic balancer center bolt	135