คำตอบที่ 28
SPECS
F-head 134 cu.in. (2.2 liter) 4-Cylinder Engine
Spark plugs: AC-45 or Champion J-8
Spark plug gap: 0.030 in. (0.762 mm)
Spark plug torque: 25-33 lbs. ft. (34-44 Nm)
Firing order: 1-3-4-2
Distributor rotation: Counterclockwise
Point gap: 0.020 in. (Prestolite)
Dwell angle: 42 degress
Ignition timing: 5 degress BTDC
Bore and stroke :3 1/8 in. x 4 3/8 in. (79.37 mm x 111.12 mm)
SAE Horsepower: 15.63
Weight: 470 lbs. with fluids (Jeep Bible, Granville King)
Max. Horsepower: 72 @ 4000 R.P.M. (71 @ 4000 R.P.M. on military M606's)
Torque: 114 lbs. ft. (15.7 kg-m) @ 2000 R.P.M. (111 lbs. ft. @ 2200 R.P.M. on military M606's)
Compression pressure: 120-130 psi (8.4-9.2 kg-cm2)
Compression ratio: 6.9:1 (7.4:1 high altitude option).
Valves: 2-in. intake valves in head, exhaust valves in block.
Valve clearances:
Intake: 0.018 in.
Exhaust: 0.016 in.
Idle speed:
YF-938-SD carburetor: 600 rpm
YF-4002-S carburetor: 650-700 rpm
YF-4366-S, YF-4941-S, or YF-6115-S:
IAY-4401A distributor: 650-700 rpm
IAY-4401B distributor: 700-750 rpm