ENGINE DIVISION SERVICE MANUAL TM 5-4210-230-14&P-1 ENGINE SPECIFICATIONS ENGINE MODELS MV-404 MV-446 VALVES: (Continued) Exhaust Valves: Face Angle 450 450 Seat Width (Inch) 085 - .115 085 - .115 Seat Run-Out (T.I.R.) (Max.) 002 002 Valve to Rocker Arm Clearance None* None* Stem Diameter 37165 - .37235 37165 - .37235 Stem Clearance in Guide 00165 - .00235 00165 - .00235 Valve Guides: Length (Inches) 2.600 2.600 Bore Diameter 374 - .375 374 - .375 Distance Above Head (Inch): Intake (Inch) 838 838 Exhaust (Inch) 1.122 1.122 Valve Springs: Free Length (Inches) 2.065 2.065 Test Length (Inches) 1.429 1.429 Pressure (Lbs.) @ Test Length 188.1 + 8 188.1 + 8 Valve Lifters (Tappets): Diameter 9040 - .9045 9040 - .9045 Bore Diameter in Block 9058 - .9068 9058 - .9068 Clearance in Bore 0013 - .0028 0013 - .0028 Bleed-Down Rate (1/8" Travel @ 50 Lb. Loading) 20 - 110 Sec. 20 - 110 Sec. Valve Lift (Inch): Intake 435 435 Exhaust 435 435 Push Rods: Length 10.294 10.294 Valve Timing: Intake Opens (before TDC) 14 14 Intake Closes (after BDC) 70 70 Exhaust Opens (before BDC) 59 59 Exhaust Closes (after TDC) 25 25 OIL PUMP: Body Gear End Clearance 0015 - .0065 0015 - .0065 Body to Gear Clearance 0014 - .0054 0014 - .0054 Pump Shaft Diameter 4885 - .4890 4885 - .4890 Shaft Clearance in Body 001 - .0025 001 - .0025 Body Gear Backlash (Max.) 0107 0107 Idler Shaft Diameter 4845 - .4855 4845 - .4855 Idler Gear Clearance on Shaft 0015 - .004 0015 - .004 Pressure Regulator Spring: Free Length (Inches) 2.600 2.600 Test Length (Inches) 1.58 1.58 Pressure @ Test Length 8 8 Oil Pressures: (With SAE-30 Oil @ 2000 F) Minimum (@ Idle Speed) 8-20 psi 8-20 psi Maximum (@ 1800 RPM) 44 - 50 psi 44 - 50 psi THERMOSTAT: 180 Start to Open at (Deg. F.) 175 - 182 175 - 182 Fully Open at (Deg. F.) 202 202 *Hydraulic Lifters. CGES-210  Page 68 PRINTED IN UNITED STATES OF AMERICA