600 And 650 Tractor Tune Up Info
Engine Model And Type	C-350 Gas	C-350LP
Compression Pressure (at cranking speed)(psi)	130	196
High Idle (no load) Engine RPM / PTO RPM	1650 / 592	1650 / 592
Low Idle (no load) Engine RPM / PTO RPM	425 / 152	425 / 152
Rated Load Speed Engine RPM / PTO RPM	1500 / 538	1500 / 538
Horsepower (at load speed) PTO Shaft	60.6	60.6
Approximate Fuel Rate (at load speed) gals/hour	5.22-5.54	6.47-6.80
Firing Order	1-3-4-2	1-3-4-2
Valve Lash (hot)(inch)
Intake	.017	.017
Exhaust	.017	.017
Spark Plug Gap (inch)	.023	.015
Distributor
Symbol	W	T
Breaker Point Opening (inch)	.020	.020
Part Number	366069R91	373956R91
Governor Spring Package	373956R91	373955R91
Ignition Timing (spark advance BTDC unless otherwise specified) (degrees)
At 400 RPM (+ or - 2 Degrees	0	0
At high Idle Speed	32	16
Carburetor Liquid level (inches)
I.H.	9/16	-
Zenith	-	-
Carter	-	-
Marvel-Schebler	-	-
Torque Wrench Settings (foot pounds)
Cylinder Head	120	120
Manifold	40	40