1956 Packard Panther Project

Generic part numbers, application interchange, etc.

Contents

ELECTRICAL	Tune Up
	Other
ENGINE	Internal
	External
CHASSIS	Brake parts
	Wheels
	Shock Absorbers
	Front Wheel
	Control arm
	Torsion-Level
	Twin-Ultramatic
	Rear axle

ELECTRICAL

Tune Up

Replaces	Part	Manuf	P/N
Champion H10	Plugs	Champion	H14Y
Champion N18	Plugs	Champion	N16YC
		AC	45XLS
		Bosch	4478
Delco-Remy	Points	Standard	DR-2236P
		Wells	DR1074MV
		Blue Streak	DR2236XP
		Echlin	CS777A
	Condensor	Blue Streak	DR-60X
		Echlin	RR174
	Rotor	Echlin	RR158
	Cap	Echlin	RR159
	Coil	Standard	UC-12X
		Echlin	IC12
Autolite	Points	Echlin	CS720A
		Standard	AL5677XP
	Condensor	Echlin	AL868
	Rotor	Echlin	AL65
	Cap	Echlin	AL99
	Coil	Echlin	IC17

NOTE:Most Seniors are Delco-Remy OEM, most Juniors are Autolite OEM.
NOTE:Champion N-18 is 3/4" reach, late 1955, all 1956

Other

Part	Manuf	P/N	Description
12V Regulator	NAPA	VR325	Either
		VR122	Delco negative
		VR206	Autolite negative
Horn Relay	Echlin	HR-101	Fits All
12V Battery	BCI	Group number 29 or 60	Size chart
	WalMart	"Everstart Extreme"	13" W x 6-3/4" D x 8" H
	Pep Boys	"Energizer" 29HM-850	13" W x 6-3/4" D x 8" H
Battery cables	PepBoys	0-27786-20042	*battery-to-starter, 42"
		0-27786-20024	battery-to-block, 24"
Starter	Borg-Warner	SB0	front bushing
	Borg-Warner	SB102	rear bushing

NOTE ON CABLES"battery-to starter" is long enough to route under fresh air vent tube, not above it. Both are #02 gauge with clear insulation, top terminal connection.

ENGINE

Engine Internal

Part	Manuf	P/N	Compatible with
Valve lifters	Sealed Power	HT 879	Chrysler V-8
	Melling	JB 879	ditto
Rings (352)	Ford	4.000" (stock)	1969-91 C,M,W 351CID
Rings (374)	Chevy	4.125" (stock)	1970-77 400CID (SB)
Intake Valve	Toledo	V2198	Packard 6480390
Main bearings	Thompson	MS1696P	Packard 458412,6
Cam bearings	TRW	SH293S	Packard 440380-4
Timing chain	Morse	9-346	Packard 440842
	Lempco	TC346	Packard 440842
Upper gear	Lempco	TC267	Packard 440843
Lower gear	Lempco	TC268	Packard 440841
Main oil seal	Victor	JV-692	Packard 427104
	Fel-Pro	BS5974	ditto
	Best	5176	ditto
Carb gasket	Mr Gasket	57C	Carter WCFB intake

NOTE ON RINGS:5/64" top & 2nd, 3/16" oil

Engine External

Part	Manuf	P/N	Description
Oil Filter	AC	P115	Packard SP50052
	Fram	C4P	ditto
	GM	5572288	ditto
	GM	5572270	ditto
	Master	P70	ditto
	MOTO	FL333	ditto
	NAPA	1006	ditto
	PURO	P20051	Packard SP50057
	WIX	51100	Packard SP50052
Fan Belt	Dayco	15565	Fan & Generator
		15415	Power Steering
Radiator Hose	Dayco	70218	Upper
	Gates	20046	Upper
	Goodyear	60371	Upper
		60706	Lower, see NOTE
Heater Hose	Gates	28468	molded
	Goodyear	63818	molded
Heater valve	Everhot	55H-1219	Thermostatic
5" Vent Ducting	Packards Intl	?	$8.00 for 18"
	JCWhitney	19BU0356N	$13.99 for 6'
	Kanter	Gp 30.8243	$19.00 per ft

NOTE: Standard transmission or stock auto trans-cooler removed & replaced with finned-tube type

CHASSIS

Brake parts

Part	Year, model	Compatible with
Front shoes	1953-56 Senior, 12" X 2"	TBD
	1954-56 Junior, 11" X 2½"	1963-65 Pontiac, others
Rear shoes	1953-56 Senior, 12" X 2"	1953-65 Chevy 3/4-Ton RWD Truck
	1954-56 Junior, 11" X 2"	1957-59 Chevy 1/2-Ton RWD Truck w/Posi
Front flex hose	1955-56 All	Wagner F11190
		Raybestos BH11190
		Raybestos EIS SP949
		Tru-torque 88226
		Wagner FC8699
Rear flex hose	1955-56	Wagner F11191
		Raybestos BH 11146
Front wheel clinder	1951-56 All	left: Brakeware 33220
		left: Raybestos 18290
	1951-56 All	right: Brakeware 33221
		left: Raybestos 18291
Rear wheel clinder	1951-56 Senior, 12"	left: Brakeware 33004
		left: Raybestos 9025
		right: Brakeware 33005
		right: Raybestos 9026
		same as 1969 Ford F150 Truck
		same as 1987 Ford Bronco
	1955-56 Junior, 11"	left: Bendix 33791
		left: Raybestos WC37218
		right: Bendix 33792
		right: Raybestos WC37219

Wheels

Year	Model	Size	Pattern	Offset	Fastner
1955	Junior	15x5½"	4½"	?	bolt
	Senior	15x6"	5"	-5/8"	bolt
1956	Junior	5x5½"	4½"	?	nut
	Senior	15x6"	5"	-5/8"	nut

Shock Absorbers

Year	Model	End	Manuf	Part #	Top	Bottom
1955	Junior	Front	Packard	465951	SS	Stud
		Rear	Packard	465999	SS	Eye
	Senior	Front	Packard	473054	SS	Stud
		Rear	Packard	473055	SS	Eye
1956	Junior	Front	Packard	6480571	SS	T-bar
			Gabriel	G60017	SS	T-bar
			Gabriel	G63359	SS	T-bar
			Monroe	34381	SS	T-bar
			Monroe	34750	SS	T-bar
			Monroe	911096	SS	T-bar
		Rear	Packard	465999	SS	Eye
			Monroe	37147	SS	Eye
	Senior	Front	Packard	6480891	SS	T-bar
		Rear	Packard	6480496	SS	Eye

All Packard part numbers are for standard shocks with Torsion-Level.
1951-55 Front shocks physically interchange between Juniors and Seniors, but valving differs.
1956 Front shocks have different lower mount than prior years and physically interchange between Junior and Seniors, but valving differs.
1955-56 Rear shocks physically interchange between Juniors and Seniors, but valving differs.
SS=Shouldered Stud

Front Wheel

Part	Year	Model	Manuf	P/N
Grease seal	1955-56	Senior	National	5975
			Victor	49237
	1955	Junior	National	6456
			Victor	49594
	1956	Junior	National	6840S
			Victor	49746
Inner bearing	1955-56	Senior	Timkin	14130
	1956	Junior	Bower	LM 67048
Outer bearing	1955-56	Senior	Timkin	12580
	1956	Junior	Bower	LM 67010
Outer race	1955-56	Senior	Timkin	12520

Control arm

Part	Year	Model	Manuf	P/N
Upper inner bushings	1951-56	All	TRW	12122

Torsion-Level

Part	Year	Model	Manuf	P/N
Cover, comp motor	1955-56	All	Delco-Remy	1861502
Stop light switch	1955-56	All	Wells	RB402
			Echlin	SL 138

Twin-Ultramatic

Part	Year	Manuf	P/N
Front seal	1956	National	450303
Rear seal	1956	National	471829
Control valve seal	1955	Chicago Rawhide	0.99HM18
Front U-Joint rebuild	1955-56	Bell	4257
Rear U-Joint	1955-56	Neapco	28056X-3-0056
		NAPA	304

Rear Axle

Part	Year	Manuf	P/N
Pinion seal	1955	Chicago Rawhide	473457
Axle seal, outer	1955	Victor	49282
Axle seal, inner	1956	Chicago Rawhide	15105

NOTE: 1955 and 1956 rear axles are entirely different.

If anyone has anything to add to the above, please email the webmaster.

Site links:

Back
Home
The Inspiration
The Basis
Project History
What's Happening
Project Topics
Showroom
The Library
Special Projects
Related Links
Site Map

Webmaster: Craig Hendrickson
Email comments