DETAILED SPECIFICATIONS
ENGINE Number of cylinders 8
Cylinder arrangement 90° V-type
Valve arrangement Overhead
Bore and stroke 4.3" x 4.06"
Block and cylinder head material Cast iron
Piston displacement .472 cu. in.
Taxable horsepower 59.2
Max. brake horsepower. 375 ® 4400 r.p.m.
Max. engine torque—lbs.-ft 525
<®
3000 r.p.m.
Compression ratio 10.5:1
Engine mounts Vulcanized rubber
Number of points of suspension 3
PISTONS AND Material Aluminum alloy
RINGS Type Slipper type, cam ground,
control expansion
Clearance 0006"-.0010" (top skirt)
Number of oil rings per piston 1
Number of comp. rings per piston 2
RODS AND Wristpin length 3.030"
PSNS Wristpin material Steel
Type Pressed in rod
Connecting rod length 6.750"
Material—connecting rod Arma steel
Weight—connecting rod 28.86 oz.
Lower bearing material Steel -back
Connecting rod bearing clearance 0005"-.0028"
Connecting rod bearing end play 008"-.016" (total
two rods)
CRANKSHAFT Material Nodular cast iron
Weight 79 pounds
Main bearing thrust Center main
Crankshaft end play 002"-.012"
Main bearing removable Yes
Main bearing material Aluminum—Steel-back
Main bearing journal-
Diameter x Length:
Number 1 3.250" x 1.1925"
Number 2 3.250" x 1.0595"
Number 3 3.250" x 1.0674" inside;
1.258" outside
Number 4 3.250" x 1.0595"
Number 5 3.250" x 1.1925"
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