International 330 Tractor Tune Up Info
Engine Model And Type	C-135 Gas Fire Crater Piston	C-135 Gas Flat Top Piston
Compression Pressure (at cranking speed)(psi)	180	175
High Idle (no load) Engine RPM / PTO RPM	2200 + or - 25 / 681	2200 + or - 25 / 681
Low Idle (no load) Engine RPM / PTO RPM	425 + or - 25 / 131	425 + or - 25 / 131
Rated Load Speed Engine RPM / PTO RPM	2000 + or - 10 / 619	2000 + or - 10 / 619
Horsepower (at load speed) PTO Shaft	36	34.6
Approximate Fuel Rate (at load speed) gals/hour	3.01-3.20	3.01-3.20
Firing Order	1-3-4-2	1-3-4-2
Valve Lash (hot)(inch)
Intake	.014	.014
Exhaust	.014	.014
Spark Plug Gap (inch)	.023	.023
Distributor
Symbol	A E	X
Breaker Point Opening (inch)	.020	.020
Part Number	375423R91	366928R91
Governor Spring Package	375425R91	366942R91
Ignition Timing (spark advance BTDC unless otherwise specified) (degrees)
At 400 RPM (+ or - 2 Degrees	1 ATDC	1
At high Idle Speed	25	30
Carburetor Liquid level (inches)
I.H.	-	-
Zenith	1/2	1/2
Carter	-	-
Marvel-Schebler	3/4	3/4
Torque Wrench Settings (foot pounds)
Cylinder Head	80-90	80-90
Manifold	33-37	33-37