ENGINE SPECS

1959 Buick 364 (250 hp) V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Le Sabre V8 - 4400
Wheel base: Le Sabre V8: 123
Valve Location: In head
Bore and Stroke: 4.125 x 3.400
Piston displacement, Cubic Inches: 364
Compression ratio: Le Sabre V8: 10.5 [8.5 to 1 with manual shift transmission]
Maximum Brake Horsepower: Le Sabre V8: 250 @ 4400
Maximum Torque Lbs.Ft. @ RPM: Le Sabre V8: 384 @ 2400
Normal Oil Pressure Pounds: 40

TUNE UP SPECIFICATIONS

Spark Plug Make: AC 44S
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: Mark: 12 BTDC [with synchromesh transmission 5 degrees BTDC] Mark 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 to 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: 35 degrees BTDC, with synchromesh transmission: 25 degrees
     Exhaust Closes: 37 ATDC
Valve Spring Pressure Pounds at Inches Length:
    Inner Spring: 76 @ 1.25; Outer Spring: 96 @ 1.16
Valve Stem Clearance: Intake: Top .001-.003; Bottom .0025-.0045; 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-.0021
    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: 4 quarts (5 quarts with filter change)
Standard Transmission: 2-1/2 pints; Automatic transmission: 12 qts.
Rear Axle: 6-1/2 pints
1959 Buick 364 (250 hp) V8 Engine Specs

1959 Buick 401 (325 hp) V8 Engine Specs

1959 Buick 364 & 401 V8 Engine Specs:
Distributor Specs


1959 Buick 364 & 401 V8 Engine Specs:
Generator Specs


1959 Buick 364 & 401 V8 Engine Specs:
Regulator Specs


1959 Buick 364 & 401 V8 Engine Specs:
Starting Motor Specs


1959 Buick 364 & 401
Engine Tightening Specs


1959 Buick 364 & 401
Wheel Alignment Specs


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