License Data
CAR SERIAL NUMBER (On plate on dash under hood)—
Standard Series Major Series
936703 and up 251117 and up
ENGINE SERIAL NUMBER (Stamped on left side of cylinder block
opposite cylinder No. 1)-63501 and up
C Y L I N D E R B O R E - 3 "
P I S T O N S T R O K E - 4 ½
"
N U M B E R O F C Y L I N D E R S
- 8
N. A. C. C. HORSEPOWER RATING - 28.8
PISTON DISPLACEMENT - 254
Body Types
Standard Series Major Series
119" Wheelbase 132" Wheelbase
COACH TOURING SEDAN
STANDARD SEDAN 7-PASSENGER SEDAN
RUMBLE COUPE CLUB SEDAN
CONVERTIBLE COUPE BROUGHAM
7-PASSENGER PHAETON
Technical Information
Engine
TYPE - 8 cylinders in line
ACTUAL DEVELOPED H. P. - 101
at 3600 R. P. M.
COMPRESSION RATIO - 5.8 to 1
FIRING ORDER - 1-6-2-5-8-3-7-4
NUMBER MAIN BEARINGS - 5
TYPE OF CRANKSHAFT—Fully
Compensated—Statically and Dy-
namically Balanced
MAIN BEARING CLEARANCE—
.001"-.0015"
MAIN BEARING END PLAY—
.006"- .012"
CONNECTING ROD LOWER
BEARING CLEARANCE — .0015";
Side Clearance, .006''.010"
PISTON MATERIAL—Silicon Alu
minum Alloy
PISTON TYPE—T Slot Cam Ground
PISTON WEIGHT - 9¾ ounces
SKIRT CLEARANCE—Top, .0015"-
.002"; Bottom, .0005"-.001"
NUMBER OF PISTON RINGS—
Compression, 2; Oil Control, 2
PISTON RING GAP—.009"-.011"
CAMSHAFT DRIVE Adjustable
Silent Chain
VALVE MATERIAL—Silicon
Chrome Alloy Steel
VALVE HEAD DIAMETER—
Intake, 1½"; Exhaust, 1-3/8"
VALVE TAPPET CLEARANCE—
Intake, .006"; Exhaust, .008"
Measure with engine hot
LUBRICATION—Hudson Duo to
Automatic System
OIL PUMP TYPE—Oscillating
Plunger
4
H U D S O N E I G H T
TECHNICAL INFORMATION
