Buick LeSabre 1965 Service Manual page 26

2 - 4 SPECIFICATIONS ENGINE
b. General Description & Specifications for 300 Cubic Inch V-8
Item 300 Cubic Inch V-8 Engine
Engine Type 90° V-8
Valve Arrangement In Head
Bore and Stroke 3.750 x 3.400
Piston Displacement 300 Cu. In.
Compression Ratio
2-Barrel Carburetor 9.0 to 1
4-Barrel Carburetor 11.0 to 1
Brake Horsepower @ RPM
Standard Compression 210 @ 4600
High Compression 250 @ 4600
Torque @ RPM
Standard Compression 310 @ 2400
High Compression 335 @ 3000
Octane Requirements
Standard Compression 84 Motor Method, 93 Research Method
High Compression 90 Motor Method, 99 Research Method
Taxable Horsepower , 45.0
Cylinder Numbers - Front to Rear
Left Bank 1-3-5-7
Right Bank 2-4-6-8
Firing Order , 1-8-4-3-6-5-7-2
Cylinder Block Material Cast Iron
Cylinder Head Material Cast Iron
Engine Idle Speed
Synchromesh . . . 550 RPM
Automatic 550 RPM (In Drive)
A/C Cars 600 RPM (Automatic In Drive)
Ring Specifications
Compression Ring Material & Surface Treatment
#1 Cast Iron - Chrome Plated
#2 Cast Iron - Lubrited
Oil Ring Type Dual Steel Rail With Spacer
Oil Ring Expander Steel Humped Ring
Location of Rings . Above Piston Pin
Crankshaft Specifications
Material Pearlitic Malleable Iron
Bearings 5-A11 Replaceable
Bearing Material M-400 Aluminum (#1, #2, #3, and #4)
M-100 Durex (#5)
Bearing Taking End Thrust #3
Camshaft Specifications
Material Cast Iron Alloy
Bearings. . Steel Backed Babbit
Number of Bearings 5
Camshaft Location Above Crankshaft At Center of "V"
Type of Drive Chain
No. of Links . . 54
Crankshaft Sprocket Sintered Iron
Camshaft Sprocket Nylon Coated Aluminum
Valve Specifications
Intake Valve Material . SAE 1041 Steel
Exhaust Valve Material GM-N82152 (21-4N)
Valve Lifter Mechanism Hydraulic
Valve Spring Single Helical