GENERAL SPECIFICATIONS
|
| Model Designation:
Series 60S, Series 61, Series 62, Series 75 |
| Wheel base: Series 60S: 133; Series 61: 126; Series 62: 129; Series 75: 136 |
| Valve Location: In
block |
| Bore and
Stroke: 3-1/2
x 4-1/2 |
| Piston displacement, Cubic
Inches: 346.0 |
| Compression
ratio: 7.25 |
| Maximum
Brake Horsepower: 150
@ 3400 RPM |
| Maximum
Torque Lbs.Ft. @ RPM: 260
@ 1700 RPM |
| Normal
Oil Pressure Pounds: 30 |
TUNE UP SPECIFICATIONS (all models)
|
| Spark Plug
Make: AC 104 |
| Spark Plug
Gap, Inch: .030 |
| Firing
Order: 18736542 (front
to rear: Right bank 2-4-6-8, left bank 1-3-5-7)
|
| Timing
Mark: IGN, location: Vib. Damper |
| Engine
Idle Speed, RPM: Standard
transmission: 375; w/automatic 375 (in drive) |
| Cylinder
Head Torque Lbs.Ft.: 70-75 |
| Compression
Pressure & Cranking Speed: 105 |
| Voltage & Polarity: 6
volts, negative ground |
PISTON AND RING SPECIFICATIONS
|
| Fitting
Pistons with Scale: Pistons
removed from above. Shim thickness: .002 |
| Pounds
on a Pull Scale: 11 |
Ring End
Gap: In tapered bores,
fit rings in tightest portion of ring travel
Compression: .007
Oil: .007 |
| Clearance in Groove: Compression:
.0022-0035; Oil: .0015-.003 |
| Wristpin
Diameter, Inch: .875 |
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: Top Dead Center
Exhaust
Closes: 10 ATDC |
Valve Spring
Pressure Pounds at Inches Length:
Inner
Spring: 66 @ 1-59/64 |
| Valve Stem
Clearance: Intake: .001-.003; Exhaust:
.002-.004 |
ENGINE BEARING SPECIFICATIONS
|
Connecting Rod Bearings:
Journal
Diameter, Inches: 2.4590-2.4595
Bearing Clearance, Inch: .0005-.002
Rod End Play, Inch: .008-.014
Rod Bolt Tension: Lbs.Ft.: 60-65 |
Main Bearings:
Journal
Diameter, Inches: 2.4990-2.4995
Bearing clearance: .0008-.0025
Shaft End Play: .001-.005 (Thrust
on Number 2 Bearing)
Main Bolt Tension: Lbs.Ft.: 130-140 |
CAPACITY DATA
|
Cooling
System:
Without
heater: 25 quarts
Without heater: 25; with heater: 26
|
| Fuel Tank: All models except 75: 20 gallons; Model 75: 24
gallons |
| Engine
Oil: 7 quarts |
| Transmission:
w/out overdrive: 2-1/2 pints; Automatic: 12 quarts |
| Rear Axle: 5
pints |
1947 Cadillac 346 V8 (150hp) Engine Specs
1947 Cadillac 346 V8: Distributor Specs
1947 Cadillac 346 V8: Generator Specs
1947 Cadillac 346 V8: Regulator Specs
1947 Cadillac 346 V8: Starting Motor Specs
1947 Cadillac: Wheel Alignment Specs
Return to Cadillac Engine Specs Index
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