Firing order:
1-2-4-3

Valve Tappet Gap (cold):
Inlet - 0.010-0.012 in. (0.26-0.30 mm)
Exhaust - 0.014-0.016 in. (0.36-0.40 mm)

Valve Face Angle:
Inlet & Exhaust - 45 deg.
Valve Seat Angle:
Inlet & Exhaust - 45 deg.

Ignition Distributor Make:
Ford
Distributor Model Prior to Serial Number 263844:
9N12100
Distributor Model After to Serial Number 263843:
8N12127

Breaker Point Gap for Face Mounted Distributor Number 9N12000:
0.015 in. (0.38 mm)
Breaker Point Gap for Angle Mounted Distributor Number 8N12127:
0.025 in. (0.63 mm)

Retarded Timing Prior to Serial Number 263844:
top dead center
Retarded Timing After Serial Number 263843:
4 deg. before top dead center
Advance Timing Prior to Serial Number 263844:
25 deg. before top dead center
Advanced Timing After Serial Number 263843:
17 deg. before top dead center

Flywheel Timing Mark Indicating:
Retarted Timing Prior to Serial Number 263844 - none
Retarded Timing After Serial Number 263843 - 4 deg. Line
Advance Timing Prior to Serial Number 263844 - none
Advanced Timing After Serial Number 263843 - 17 deg. line

Spark Plug:
Champion H10 or compatible
Spark Plug Electrode Gap:
0.025-0.028 in. (0.64-0.71 mm)

Carburetor:
Marvel Schebler TSX33
Carburetor Float Setting:
9/32″ (7 mm)
Carburetor Initial Adjustment:
Idle Adjustment Needle - 1 turn open
Main Jet Adjustment Needle - 1 turn open

Engine Low Idle RPM:
400
Engine High Idle RPM:
2200
Belt Pulley RPM @ 2000 Engine RPM:
1358
PTO RPM @ 1500 Engine RPM:
545
Compression Pressure @ Cranking Speed:
Minimum 90 psi