Hudson Terraplane De Luxe 1935, Owner'S Manual

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The following recommendations should be followed as to speed during
the first one thousand miles of driving. These recommendations are
maximum safe speeds under favorable operating conditions. The speed
of the car should be decreased under unfavorable conditions, such as
rough or rutted roads, or in climbing steep or continuous up-grades.
0-250 MILES
Do not exceed 40 miles per hour in high gear or 20 miles per hour
in second.
Do not accelerate rapidly. Use second gear on steep grades.
250-500 MILES
Do not exceed 50 miles per hour in high gear or 25 miles per hour
in second.
500-1,000 MILES
During this period the speed should not exceed 60 miles per hour.
Important
Maintain oil level in crankcase within "oil level range" on oil level
gauge, Figure 2, at all times.
Do not drive at a high rate of speed until the engine is thoroughly
warmed up. Cold oil cannot flow freely into the small clearances between
the working surfaces so that damage may occur if this is not observed.
Special Lubricants
THERE IS NO NECESSITY OF USING SPECIAL LUBRICANTS
CONTAINING GRAPHITE OR OIL CONCENTRATES EITHER IN
THE ENGINE OIL RESERVOIR OR BY ADDING TO THE GASO-
LINE DURING THE BREAK-IN PERIOD. If such practices are fol-
lowed by the owner, he should be guided as to quantities by the
recommendations of the manufacturer of the special lubricant. Only
light, finely refined oils should be added to the gasoline and not to exceed
one quart to a full tank of gasoline.
Even where these special practices are followed, the recommendations
of the foregoing paragraphs as to speeds and operation should be adhered
to strictly.
ENGINE
The unusual power, efficiency and economy of the Terraplane engine
are due to a combination of such advanced designs as the chrome alloy
cylinder block, giving great strength and wearing qualities so as to almost
eliminate wear on cylinder walls and valve seats; silicon aluminum alloy
pistons, cam ground and fitted with a clearance of .001"; silicon chro-
mium steel valves; patented radial flow intake manifold with down draft
carburetion; all built around a fully compensated crankshaft and lubri-
cated by the Hudson Duoflo Automatic Lubricating System.
The crankshaft is a heavy forging with integral compensating weights.
Full compensation, together with three main bearings and a torsional dampener
OWNER'S MANUAL 13