GENERAL SPECIFICATIONS
|
| Model Designation: Super
V8 - Series 50; Roadmaster V8: Series 70 |
| Wheel base: Super
V8: 121-1/2 (125-1/2 on model 52); Roadmaster V8:
121-1/2 (125-1/2 on model 72R) |
| Valve Location: In
head |
| Bore and
Stroke: 4
x 3.2 |
| Piston displacement, Cubic
Inches: 322 |
| Compression
ratio: Super V8:
8.0; Roadmaster V8: 8.5 |
| Maximum
Brake Horsepower:
Super V8: 164 @ 4000 RPM; Roadmaster V8: 188 @
4000 RPM |
| Maximum
Torque Lbs.Ft. @ RPM:
Super V8: 286 @ 2200 RPM; Roadmaster V8: 300 @
2400 RPM |
| Normal
Oil Pressure Pounds: 35 |
TUNE UP SPECIFICATIONS
|
| Spark Plug
Make: AC 44-5 |
| 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: ADV. Timing
mark on Flywheel |
| Engine
Idle Speed, RPM:
450 |
| Cylinder
Head Torque Lbs.Ft.: 63-73 |
| Compression
Pressure & Cranking Speed: 160
Min. |
| 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: .010
Oil: .015 (no fitting required on Flex-Fit oil rings) |
| Clearance
in Groove: Compression:
.002-004; Oil: .0002-.0025 |
| 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: 25 degrees BTDC
Exhaust
Closes: 42 ATDC |
Valve Spring
Pressure Pounds at Inches Length:
Inner
Spring: 53 @ 1.15; Outer Spring: 85 @ 1.12 |
| Valve Stem
Clearance: Intake: .0025; Exhaust:
.003 |
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:
Super
V8:
Without
heater: 16-1/2 quarts (with Dynaflow 18)
With heater:
18; quarts (with Dynaflow
19-1/2)
Roadmaster V8:
Without heater:
18
With heater:
19-1/2 |
| Fuel Tank: 19
gallons |
| Engine
Oil: 6 quarts |
| Transmission: 2-1/2
w/auto 10 qts. |
| Rear Axle: 4-1/2
pints |
DELCO-REMY DISTRIBUTOR SPECIFICATIONS
|
| Distributor part number:
1110827 (distributor rotates clockwise) |
| Cam Angle,
degrees: 26-33 (do not
use dwell meter for setting point opening) |
| Breaker Point opening, Inch: .016 |
| Condenser
Capacity: .18-.23
Mfds. |
| Breaker Arm Spring Tension: 19-23
Oz. |
Centrifugal
Advance: (degrees
at RPM of distributor)
Advance starts 1
degrees @ 350
Full Advance: 15 degrees @ 2000 |
Vacuum
Advance Data:
Inches of vacuum
to start plunger movement: 5 - 7
Inches of vacuum for full plunger travel:
11 - 14
Maximum vacuum advance, Dist. degrees:
11 - 12-1/2 |
DELCO-REMY GENERATOR SPECIFICATIONS
|
| Generator
Number: 1102003
(generator rotates clockwise, Negative Ground) |
| Generator
output:
30 amps @ 2300 RPM |
| Brush Spring
Tension: 25 oz. |
| Field Current:
1.48-1.62 |
REGULATOR SPECIFICATIONS
|
| Regulator
Number: 1118749 |
Cutout
Relay:
Voltage
to close points: 12.8
Armature Air Gap: .020 |
| Voltage
Regulator Setting:
14.5 volts |
| Current
Regulator Setting:
30 |
| Current
and voltage armature air gap, Inch: .075 |
DELCO-REMY STARTING MOTOR SPECIFICATIONS
|
| Part number: 1107601
(starter rotates clockwise) |
| Bush Spring
Tension, Ounces: 24-28 |
| No Load
Test: 75 amps,
10.3 volts @ 6500 RPM |
| Torque
Test: 460
Amps, 5.2 volts, torque: 11.5 |
WHEEL ALIGNMENT SPECIFICATIONS
|
Caster,
Degrees
Limits: -1/2
to +3/4
Desired: +1/8 |
Camber,
Degrees
Limits: -5/8
to +7/8
Desired: +1/8 |
| Toe-In,
Inches: 1/16 to 1/8 |
Toe-Out
on Turns, Degrees: (If
toe-out is incorrect, when other adjustments are
correct, look for bent steering arms.)
Outer wheel: 20
Inner Wheel: 20-3/4
to 22-1/4 |
Kingpin
Angle, or Steering Axis Degrees: (If
king pin or spindle support angle are incorrect,
but camber is correct, look for bent suspension
arms or steering knuckle support)
4-1/4 @ +3/8 Camber |
