Engine
Horsepower
’36-9 110 @ 3900,
’40-41 120 @ 3500,
’46-48 125 @ 4000
Bore 2.75 267 CU / 2.875 292 CU / 2.9375 305 CI / 2.875 292 CI
Stroke 3.75
Cranking compression 105-125 lbs
Crankshaft 120 deg
Normal oil pressure 40-45 lbs
Offset of cylinders .250″
Crankshaft end play .002-.006″
Lift of cam .292″
Valve spring press. closed 51-57 lbs
Starter
Min cranking voltage 4.5-5.5
Amperage draw 150-200
Lock amperage 500
Normal cranking speed 100
Generator
Rating (amperes) 42
Voltage 7
Regulator
Cutout closing voltage 6.4-6.9 volts
Cutout points open 0-8 amp
Current limiter setting 38-42 amp
Voltage limiter setting 7.0-7.5 volts
Ignition
Distributor
Dwell angle 35-38 deg (per contact)
Contact point opening .014″-.016″
Contact spring tension 20-24 oz
Rotation (rotor end) LH
Auto advance no brake Starts @ 200 rpm @ 1 deg initial setting 600-12-13 deg
Vacuum advance 6-1/2 deg adv @ 1000 rpm w/vac of 1.1″hg applied to brake
Ignition timing 2 deg BTC
Firing order 1-4-9-8-5-2-11-10-3-6-7-12
Condenser capacity .31-.34 MFD
Spark plug H-10
Gap .028″
Carburetor
Float setting 19/32″
Idle screw adj 3/4 to open
Idle rpm 375-400
F/P pressure 1.5-3.5 lbs
F/P volume 1 pt -45 sec @ idle
Vacuum 10″
Capacity
Fuel 19.5 gal
Cooling system 24.5 qts
Crankcase (less filter) 5 qts
Transmission 2 3/4 pts
Transmission w/OD 3 3/4 pts
Differential 4 pts
Lubrication Diagram
Production Data
