|
Models
| Year |
1952 |
1953 |
1954 |
| Saratoga |
C-55 |
|
|
| New
Yorker |
C-52 |
C-56 |
C
-63 (**) |
| Custom
Imperial |
C-54 |
C-58 |
C-64
(*) |
| Crown
Imperial |
C-53 |
C-59 |
C-66
(*)
|
1952 Models were 180 Horsepower
* 4 Barrel Carburetor ( 235 Horsepower )
** 2 Barrel Carburetor Standard ( 195 Horsepower ), 4 Barrel Carburetor
(Deluxe ) ( 235 Horsepower )
All
Dimensions are in Inches
Accuracy of number values (have been checked) but are not guaranteed.
Engine
| Type |
V
90º |
| Valve
Arrangement |
53º
inclined lateral in head |
| Bore |
3
13/16
|
| Stroke |
3
5/8
|
| Piston
Displacement |
331.1
cu. in.
|
Taxable
horsepower (AMA)
|
46.51
|
Compression
Ratio
|
7.5
to 1 |
Maximum
Brake horsepower
|
180
at 4000 rpm |
Compression
Pressure
at 150 rpm
wide open throttle |
135
to 165 lb. |
Maximum
Variation between
Cylinders ( any one engine ) |
15
lb. |
| Firing
order |
1-8-4-3-6-5-7-2 |
Cylinder
Numbering
| From
front of engine |
Left
Bank 1-3-5-7
Right Bank 2-4-6-8 |
Engine
Weights
Dry
Power plant assembly |
710
lb.
960 lb. |
Engine
Dimensions
Width
( oil filter installed )
Height ( bottom of oil pan to top of air cleaner )
Length ( back of flywheel housing to front of fan )
( Length may vary between early and late castings) |
32
3/8
36 1/2
36 3/4 |
Crankshaft
| Type |
Fully
Counterbalanced |
| Bearings |
Steel
Backed Babbitt |
| Journal
Diameter |
2.4995
to 2.500 5 |
| Crank
Pin Diameter |
2.249
to 2.25 0 |
| Maximum
Out Of Round Permissible |
.001 |
| Number
Of Main Bearings |
5 |
|
| Radial
Clearance ( desired ) |
.00
05 to .0015 |
| Maximum
Allowable Before Reconditioning
| .0025 |
| End
Play |
.002
to .007 |
| Maximum
Allowable Before Reconditioning |
.010 |
| Thrust
Taken By |
#3
Main Bearing |
| Finish
at Rear Seal Surface |
Knur
led |
| Interchangeability
of Bearings |
Upper
and Lower #'s 1,2,4
Upper and Lower # 3
Upper and Lower not Interchangeable # 5 |
| Bearing
Sizes (Diameter and Length) |
#1-
2.5 x .875
#2- 2.5 x .875
#3- 2.5 x .870
#4- 2.5 x .875
#5- 2.5 x 1.595 |
Main
Bearing (service)
Available in Standard and
the following Undersized |
#1-
.001 .002 .003 .010 .012
#2- .001 .002 .003 .010 .012
#3- .001 .002 .003 .010 .012
#4- .001 .002 .003 .010 .012
#5- .001 .002 .003 .010 .012 |
Main
Bearing Journals
| Diameter |
2.4995
to 2.5005 |
|
| Maximum
Allowable Out of Round |
.
001 |
| Maximum
Allowable Taper |
.001 |
Center
Bearing Run-Out (total indicator reading )
When Supported at Front and Rear Main Bearing |
.002 |
Crankpin
Journals
| Diameter |
2.249
to 2.250 |
| Length |
1
7/8 |
| Maximum
Allowable Out-of-Round |
.
001 |
| Maximum
Allowable Taper |
.001 |
Connecting
Rods and Bearings
| Type |
Drop
Forged I Beam |
| Length
(center to center) |
6
5/8 |
| Weight
(less bearing) |
25.2
oz. |
| Bearings |
Steel
Backed Babbitt
|
| Diameter
and Length |
2
1/4 x 29/3 2 |
| Radial
Clearance Desired |
.0005
t o .0015 |
| Maximum
Allowable Before Reconditioning |
.0025 |
| Side
Clearance |
.006
to .014 |
| Bearings
for Service |
Standard,
. 001, .002, .003,
.010, .012 U.S. |
Connecting
Rod Bushing
| Type |
Steel
Backed Bronze |
| Number
of Bearings |
8 |
| Diameter
and Length |
59/64
x 1 3/ 16 |
| Interchangeability |
All |
| Clearance |
.0001
to .0004 Selective |
Camshaft
| Drive |
Chain |
| Bearings |
Steel-Backed
Babbitt
|
| Number |
5 |
| Thrust
Taken By |
Thrust
Plate |
| End
Play |
.002
to .006 |
Maximum
Allowable Before
Reconditioning |
.010 |
| Radial
Clearance |
.001
to .003
|
Maximum
Allowable Before
Reconditioning |
.005 |
| Valve
Lift - Intake |
.378 |
| Valve
Lift - Exhaust |
.361 |
|
Camshaft
Bearing Journals Diameter and Length
| No.
1 |
1.998
to 1.999 x 15/16 |
| No.
2, 3, 4 |
1.998
to 1.999 x 23/ 32 |
| No.
5 |
1.4355
to 1.4365 x 29/32 |
Camshaft
Bearings Diameter and Length (after reaming)
| No.
1 |
2.000 to 2.001 x 15/16 |
| No.
2, 3, 4 |
2.000 to 2.001 x 13/ 16 |
| No.
5 |
1.4375 to 1.4385 x 7/8 |
Camshaft
Chain
| Adjustment |
None |
| Number
of Links |
68 |
| Pitch |
.375 |
| Width
|
Tappets
| Type |
Hydraulic |
| Clearance
in Block |
.0005 to .001 5 |
| Body
Diameter |
.9040 to .9045 |
Clearance
Between Valve Stem
and Rocker Arm or Tappet |
Dry Lash .060 to .210 |
Pistons
| Type |
Horizontal Slot with Steel Strut |
| Material |
Aluminum Alloy Tin Coated |
Clearance
in Bore (pounds pull with
. 002 x 1/2 feeler stock) |
5 to 12 lb. |
| Land
Clearance (diametrical) |
.02 2 |
| Clearance
at Skirt ( 1 1/2 form Bottom) |
.0005 to .0015 |
| Weight
(Standard through .060 oversize) |
20.8 oz. |
| Piston
Length (overall) |
3 7/8
|
| Ring
Groove Depth (compression) |
No. 1 .204
No. 2 .204
No. 3 .198 |
| Pistons
for Service |
Standard, .0 05, .020, .030,
.040, .060, o.s. |
|
|
Piston
Pins
| Type |
Full Floating |
| Diameter
and Length |
63/64 x 3 9/ 64 |
| Clearance
in Piston (thumb press at 70- 86; F.) |
.0000 to .0005 |
| End
Play |
.004 to .026 |
| Clearance
in Rod (selective) |
.00 01 to .0004 |
| Piston
Pins for Service |
Standard , .003, .008 |
| Direction
Offset in Piston |
Toward Right Side of Engine |
Piston
Rings
| Number
of Rings per Piston |
3 |
| Number
of Compression Rings per Piston
| 2 |
| Number
of Oil Rings per Piston |
1 |
| Width
of Rings |
Compression 5/64 BR Oil
3/16
Gap .015 |
| Piston
Ring Gaps |
.010 to .020 |
| Ring
Side Clearance |
Compression .0020 to .0035
Upper .0010 to .0025
Intermediate .0010 to .0025
Oil .0 010 to .003 |
Valves
- Intake
| Material |
Silicon-Chromium Steel |
| Head
Diameter |
1 13/16 |
| Length
(to top of valve face) |
5. 0 |
| Stem
Diameter |
.372 to .373 |
| Stem
to Guide Clearance |
.001 to .003 |
Maximum
Allowable Before
Reconditioning |
.004 |
Distance
from Top Face of
Guide to Face of Block |
1.0 |
| Angle
of Seat |
45º |
| Adjustment |
None |
| Lift |
.378 |
Valves
- Exhaust
| Material |
Silicon-Chromium Steel |
| Head
Diameter |
1 1/2 |
| Length
(to top of valve face) |
4 29/32 |
| Stem
Diameter |
.371 to .372 |
| Stem
to Guide Clearance |
.002 to .004 |
Maximum
Allowable Before
Reconditioning |
.006 |
Distance
from Top Face of
Guide to Fa e of Block |
17/32 |
| Angle
of Seat |
45º |
| Adjustment |
None |
| Lift |
.361 |
Valve
Springs - Outer
| Number |
16 |
| Free
Length |
2 |
| Load
When Compressed to (valve closed)
| 1 11/16 - 46 to 51 lb. |
| Load
When Compressed to (valve open) |
1 5/16 - 124 to 132 lb. |
| Assemble
with Closed Coils Toward |
Head
|
| Valve
Spring ID |
.990 to 1.010
|
Valve
Springs - Inner
| Number |
16 |
| Free
Length |
1 7/8 |
| Load
When Compressed to (valve closed)
| 1 9/16 - 12 to 14
lb. |
| Load
When Compressed to (valve open) |
1 3/16 - 35 to 40
lb. |
| Assemble
with Closed Coils Toward |
Head
|
| Valve
Spring ID |
.690 to .710 |
Valve
Spring Installed Height
(spring seat to retainer) |
1 5/8 to 1 11/16 |
| Recondition
at |
1 23/32 |
Cylinder
Head
| Number
Used |
2 |
| Combustion
Chamber |
Hemispherical |
| Valve
Seat Run-out (maximum) |
.00 2 |
| Valve
Seat Out-of-Round |
.0005
|
| Intake
Valve Seat Angle |
45º ; to 45 1/2º |
| Seat
Width (finished) |
.060 to .0 85 |
| Exhaust
Valve Seat Angle |
45º ; to 45 1/2º |
| Seat
Width (finished) |
.040 to .0 60 |
| Cylinder
Head Gasket (thickness) |
.020 |
Engine
Lubrication
| Pump
Type |
Rotary, Full Pressure |
Capacity
(qt.) - when filter element
is replaced add 1 qt. |
5
(12 with Torque Converter) |
| Pump
Drive |
Camshaft |
| Operating
Pressure at 40 to 50 MPH |
40
to 65 lb.
|
| Pressure
Drop Resulting from Clogged Filter |
15
to 20 lb. |
|
|
|
