8 H U D S O N T E R R A P L A N E
LICENSE DATA
Body Types
DE LUXE MODELS SUPER MODELS
117" Wheelbase 117" Wheelbase
Starting Serial No. 81101 Starting Serial No. 82101
3-Passenger Coupe 3-Passenger Coupe
Victoria Coupe Victoria Coupe
Convertible Coupe Convertible Coupe
Brougham Brougham
Touring Brougham Touring Brougham
Convertible Brougham Convertible Brougham
Sedan Sedan
Touring Sedan Touring Sedan
Car Serial Number—Located on plate on right front door hinge pillar above upper
Hinge.
Engine Number—Stamped on boss near top and front at left side of cylinder block or
on top of cylinder block between Nos. 1 and 2 exhaust manifold flanges.
Number of Cylinders. 6 A.M.A. Horsepower Rating .21.6
Cylinder Bore 3" Piston Displacement 212 cu. in.
Stroke of Piston
5"
TECHNICAL INFORMATION
Engine
Type 6 Cylinders en bloc
Compression Ratio—Standard 6.25 to 1
Optional 7 to 1
Actual Horsepower Devel-
oped— Series 81
6.25 to 1 Compression—Standard Head 96
@
3900
7 to 1 Compression—Super Power Dome Head 102 @ 3900
Series 82
6.25 to 1 Compression—Standard Head 101 @ 4000
7 to 1 Compression—Super Power Dome Head 107 @ 4000
Number Main Bearings 3
Main Bearing Clearance
.001"
Main Bearing End Play .006"-.012"
Valve Material Silchrome Alloy Steel
Valve Head Diameter Intake, 1-3/8"; Exhaust,
1-3/8"
Valve Tappet Clearance (Hot) Intake, .006"; Exhaust, .008"
Camshaft Drive Gear
Connecting Rod Lower Bearing Clearance .001"; End Play, .006"-.010"
Piston Material Lo Ex Aluminum Alloy
Piston Type T Slot Cam Ground
Piston Weight, Ounces 10.75
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