GENERAL SPECIFICATIONS
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| Model Designation: Super V8 - Series 50; Century V8 - Series 60, Roadmaster V8 - Series 70, Limited V8 - Series 700 |
| Wheel base: Super V8 - 127.5; Century V8 - 122; Roadmaster V8 - 127.5; Limited V8 - 127.5 |
| Valve Location: In
head |
| Bore and
Stroke: 4.125
x 3.400 |
| Piston displacement, Cubic
Inches: 364 |
| Compression
ratio: Super V8, Century V8, Roadmaster V8, Limited V8: 10.0 |
| Maximum
Brake Horsepower:
Super V8, Century V8, Roadmaster V8, Limited V8: 300 @ 4600 |
| Maximum
Torque Lbs.Ft. @ RPM:
Super V8, Century V8, Roadmaster V8, Limited V8: 400 @ 2400 |
| Normal
Oil Pressure Pounds: 40 |
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 [Note: When setting timing, adjust idle to 400 RPM so that vacuum and centrifugal advance mechanisms are not in operation.] |
| Engine
Idle Speed, RPM:
485 |
| Voltage & Polarity: 12
volts, negative ground |
PISTON AND RING SPECIFICATIONS
|
Fitting
Pistons with Scale:
Shim thickness .003
Pounds on Scale: 7 - 13 |
Ring End
Gap:
Compression: .015
Oil: .015
[Note: Fit rings in tapered bores for clearance given in tightest portion of ring travel] |
| Wristpin
Diameter, Inch: .9995 |
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: 37 ATDC |
Valve Spring
Pressure Pounds at Inches Length:
Inner
Spring: 63 @ 1.20; Outer Spring: 93
@ 1.10 |
| Valve Stem
Clearance: Intake: .0015-.0035; Exhaust:
.003-.005 |
ENGINE BEARING SPECIFICATIONS
|
Connecting Rod Bearings:
Journal
Diameter, Inches: 2.249-2.250
Bearing Clearance, Inch: .0002-.0023
|
Main Bearings:
Journal
Diameter, Inches: 2.498-2.499
Bearing clearance: .0005-.0025
Shaft End Play: .004-.008 (Thrust
on Bearing No. 5)
|
CAPACITY DATA
|
Cooling
System:
Without
heater:
16-1/2
With heater: 19 |
| Fuel Tank: 20
gallons |
| Engine
Oil: 5 quarts (6 quarts with filter change) |
| Standard Transmission: 2-1/2 pints;
Automatic transmission: 11 qts.; Flight Pitch Dynaflow: 12-1/2 qts. |
| Rear Axle: 6
pints |
1958 Buick 364 (250 hp) V8 Engine Specs
1958 Buick 364 (300 hp) V8 Engine Specs
1958 Buick 364 V8 Engine Specs: Distributor Specs
1958 Buick 364 V8 Engine Specs: Generator Specs
1958 Buick 364 V8 Engine Specs: Regulator Specs
1958 Buick 364 V8 Engine Specs: Starting Motor Specs
1958 Buick 364 Engine Tightening Specs
1958 Buick 364 Wheel Alignment Specs
Return to Buick Engine Specs Index
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