GENERAL SPECIFICATIONS
|
| Model Designation: Six
Cylinder - 6GA |
| Wheel base: 114 |
| Valve Location: In
block |
| Bore and
Stroke: 3.3" x
4.4" |
| Piston displacement, Cubic
Inches: 226.0 |
| Compression
ratio: 6.70 |
| Maximum
Brake Horsepower: 90
@ 3300 RPM |
| Maximum
Torque Lbs.Ft. @ RPM: 180
@ 1200 |
| Normal
Oil Pressure Pounds: 30 |
TUNE UP SPECIFICATIONS
|
| Spark Plug
Make: Champion H10 |
| Spark Plug
Gap, Inch: .030 |
Firing
Order: 153624
|
| Ignition
Timing: No timing mark.
(Spark is advanced or retarded by adjusting vacuum
brake set screw on distributor housing) |
| Engine
Idle Speed, RPM: Manual
shift trans. 475; automatic shift trans. N/A |
| Cylinder
Head Torque Lbs.Ft.: 50-60 |
| Compression
Pressure & Cranking Speed: 110
Min. |
PISTON AND RING SPECIFICATIONS
|
Fitting
Pistons with Scale:
Removed
from Above
Shim thickness to use:
With sleeves and aluminum pistons .0025";
without sleeves .002"
Pounds Pull on Scale: 6 to 12
|
Rings: (for
tapered bores for minimum clearance fit rings in
tightest portion of ring travel)
Ring Gap, Minimum: Compression: .010
Ring Gap, Minimum: Oil: .010
Clearance in Groove: Compression: .0015-.003
Clearance in Groove: Oil: .0015-.003 |
| Wristpin
Diameter, Inch: .850 |
VALVE SPECIFICATIONS
|
Operating
Clearance:
Intake:
.014 Cold
Exhaust: .014 Cold |
| Clearance
for Timing Intake: .014 |
| Valve Seat
Angle, degrees: 45 |
Valve Timing: (BTDC
= before top dead center; ATDC = after top dead
center)
Intake opens: 5 BTDC
Exhaust Closes Degrees ATDC: 4 |
Valve Spring
Pressure Pounds at Inches Length:
Spring:
37 @ 2-1/8 |
Valve Stem
Clearance:
Intake:
.0015-0035
Exhaust: .0015-.0035 |
ENGINE BEARING SPECIFICATIONS
|
Connecting Rod Bearings:
Journal
Diameter, Inches: 2.2350
Bearing Clearance, Inch: .0017-.003
Rod End Play, Inch: .003-.007
Rod Bolt Tension, Lbs.Ft.: 40 |
Main Bearings:
Journal
Diameter, Inches: 2.4990
Bearing Clearance, Inch: .000-.003
Crankshaft End Play, Inch (taken on rear
bearing): .002-.006
Main Bolt Tension, Lbs.Ft.: 80 |
CAPACITY DATA
|
Cooling
System:
Without
heater: 14-1/2 quarts
With heater: 15-1/2 quarts
|
| Fuel Tank: 17
gallons |
| Engine
Oil: 5 quarts |
| Transmission: 2-3/4
pints |
| Rear Axle: 2-1/2
pints |
VACUUM BRAKE DISTRIBUTOR
SPECIFICATIONS
|
| Distributor part number: 5GA-12127 |
| Cam Angle,
degrees: 36 |
| Breaker Gap, Inch: .014-.016 |
| Condenser
Capacity: .21-.25 Mfds. |
| Breaker Arm Spring Tension: 20-24
Oz. |
Centrifugal
Advance:
Advance
starts 1/2 degrees before top center
Full Advance: 9 degrees @ 1250 RPM |
GENERATOR SPECIFICATIONS
|
| Generator
Number: 21A-10000 (generator
rotates clockwise) |
| Generator
output: 30 Amps @ 1700
RPM |
| Brush Spring
Tension: 30 oz. |
REGULATOR SPECIFICATIONS
|
| Regulator
Number: 8A-10505 |
Cutout
Relay:
Voltage
to close points: 6.3
Reverse Current to Open Points: 0-8 amps
Armature Air Gap: .017 |
| Voltage
Regulator Setting: 7.3
volts |
| Current
Regulator Setting: 30
amps |
| Current
and voltage armature air gap, Inch: .035 |
