GENERAL SPECIFICATIONS
|
| Model Designation: Special
V8 - Series 40 |
| Wheel base: Special
V8: 122 |
| Valve Location: In
head |
| Bore and
Stroke: 4.000
x 3.2 |
| Piston displacement, Cubic
Inches: 322 |
| Compression
ratio: Special V8:
8.9 |
| Maximum
Brake Horsepower:
Special V8: 220 @ 4400 |
| Maximum
Torque Lbs.Ft. @ RPM:
Special V8: 319 @ 2400 |
| Normal
Oil Pressure Pounds: 35 |
TUNE UP SPECIFICATIONS
|
| Spark Plug
Make: AC 44 |
| Spark Plug
Gap, Inch: .032 |
| Firing
Order: 12784563 (front
to rear: Left bank: 2-4-6-8; Right bank: 1-3-5-7) |
| Ignition
Timing: Yellow timing
mark aligns with "5" on timing indicator: Location:
Vib. Damper |
| Engine
Idle Speed, RPM:
450 |
| Cylinder
Head Torque Lbs.Ft.: 63-73 |
| Voltage & Polarity: 12
volts, negative ground |
PISTON AND RING SPECIFICATIONS
|
Fitting
Pistons with Scale:
Shim thickness .003
Pounds on Scale: 7 to 13 |
Ring End
Gap:
Compression: .015
Oil: .025 |
| Clearance
in Groove: Compression:
.002-004; Oil: .0035-.0095 |
| Wristpin
Diameter, Inch: .940 |
VALVE SPECIFICATIONS
|
Operating
Clearance:
Intake: 0 Exhaust:
0 |
| Valve Seat
Angle, degrees: 45 |
Valve Timing: (BTDC
= before top dead center; ATDC = after top dead
center
Intake
opens: 30 degrees BTDC
Exhaust
Closes: 44 ATDC |
Valve Spring
Pressure Pounds at Inches Length:
Inner
Spring: 24 @ 1-1/2; Outer Spring: 43
@ 1-1/2 |
| Valve Stem
Clearance: Intake: .0025; Exhaust:
.004 |
ENGINE BEARING SPECIFICATIONS
|
Connecting Rod Bearings:
Journal
Diameter, Inches: 2.249-2.250
Bearing Clearance, Inch: .0002-.0023
Rod End Play, Inch: .006-.011
Rod Bolt Tension: Lbs.Ft.: 45-55 |
Main Bearings:
Journal
Diameter, Inches: 2.498-2.499
Bearing clearance: .0005-.0025
Shaft End Play: .004-.008 (Thrust
on Bearing No. 3)
Main Bolt Tension: Lbs.Ft.: 100-110
|
CAPACITY DATA
|
Cooling
System:
Without
heater:
17-1/2
With heater:19 |
| Fuel Tank: 19
gallons |
| Engine
Oil: 6 quarts |
| Transmission: 2-1/2
w/auto 10 qts. |
| Rear Axle: 6
pints |
1956 Buick 322 (220 hp) V8 Engine Specs
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1956 Buick 322 V8 Engine Specs: Delco-Remy Distributor Specs
1956 Buick 322 V8 Engine Specs: Delco-Remy Generator Specs
1956 Buick 322 V8 Engine Specs: Delco-Remy Regulator Specs
1956 Buick 322 V8 Engine Specs: Delco-Remy Starting Motor Specs
1956 Buick 322 Wheel Alignment Specs
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