1938 GRAHAM
STANDARD MODEL #96 – 6 Cylinder, 120” Wheelbase:
4 Door Sedan
Base Price: $1,025
Production Total: 2,610
4 Door Sedan
Base Price: $1,198
Production Total: 2,410
Base Price: $1,105
4 Door Sedan
Base Price: $1,320
Wheelbase: 120 Inches
Bore & Stroke: 3-1/4 x 4-3/8"
Engine Displacement: 217.8 Cu. In.
Compression Ratio: 6.40 to 1
Taxable Horsepower: 25.35
Horsepower: 90 @ 3,600 RPM
First Serial Number: 225,000
First Engine Number: 230,001
Wheelbase: 120 Inches
Bore & Stroke: 3-1/4" x 4-3/8"
Engine Displacement: 217.8 Cu. In.
Compression Ratio: 6.70 to 1
Taxable Horsepower: 25.35
Horsepower: 116 @ 4,000 RPM
First Serial Number: 140,000
First Engine Number: 145,000
1938 GRAHAM
Tune Up Specifications – Series 96
Spark Plug: Gap .025;
Point Gap: .020
Distributor Cam Angle: 35 degrees
Ignition Timing: TDC Mark on flywheel
Firing Order: 1-5-3-6-2-4
Tappet Clearance, Hot: Intake .010, Exhaust .010
Cylinder Head Torque: 41-44 Ft. Lbs.
Battery Terminal Ground: Positive
Tune Up Specifications – Series 97
Spark Plug: Gap .025;
Point Gap: .020
Distributor Cam Angle: 35 degrees
Ignition Timing: IGN Mark on flywheel
Firing Order: 1-5-3-6-2-4
Tappet Clearance, Hot: Intake .010, Exhaust .010
Cylinder Head Torque: 41-44 Ft. Lbs.
Battery Terminal Ground: Positive
Piston & Ring Data-All Series
Piston Removal: From Below
Oil Spray Hole in connecting rod must face camshaft side of engine
Pistons should be fitted so that a 10 to 15 pound pull will be required to withdraw a .002 inch feeler gauge (.0025” feeler gauge on 4-ring pistons) from between the piston and cylinder wall.
Ring and End Caps should be .007” to .015”
Clearance between ring and grove should be .0015” to .002” in the top groove and .001” to .0015” in lower groove.
Pins should be fitted with a hard push fit in piston.
Rod bearing clearance should be .001” to .0025”
Main Bearing should be fitted with a clearance of .0005” to .003” when uniform wall bearings are used. When eccentric wall bearings are used, clearance should be .0005” to .0027” at the crown and from .0012” to .0034” at the parting
Crankshaft aend thrust is controlled by shims at the front main bearing and should be held to .004” to .006” at the parting.
Wheel Alignment Specifications
Caster: +1 degree
Camber:
Models 72, 73, 75, 90, & 90A: 2 to 3 degrees
Models 74, 80, 80A, & 85: 4 to 5 degrees
On 1938-1941 models caster is 3 to 4 degrees.
Toe In; 1/8”to 3/16”
Copyright 2008, Custom Solutions & Services.