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ENGINE APPLICATION MANUAL GM Powertrain
Gasoline 4.3L V6 90 Degree Revised: 08/15/2000
File: c:\data\manuales\v6-truck\am43v6#3.doc
Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00
5
Balance Shaft
Type First Order First Order
Material Nodular Cast Nodular Cast
Rotation CCW CCW
Speed Same as Crank. Same as Crank.
Drive Helical Gear 14 ° Helical Gear 14 °
Off Cam Off Cam
Oil Lubrication
Main and Rod Bearings Pressure Pressure N/a
Camshaft Pressure Pressure N/a
Timing Gear Splash Splash N/a
Connecting Rods Pressure Pressure N/a
Valve Mechanism Pressure Pressure N/a
Cylinder Walls Splash Splash N/a
Piston & Pins Splash Splash N/a
Cylinder Head Hollow Hollow N/a
Push Rod Push Rod
Oil Capacity
Oil 5W-30W 5W-30W N/a
Mineral Mineral
W/ Filter 4.5 4.5 Qts
W/o Filter 4.0 4.0 Qts
Oil Filter
Type Full Flow Full Flow N/a
PF-47 PF-47
Capacity 0.3 0.3 Qts
Oil Pump
Type Spur Gear Spur Gear N/a
Normal Pressure 40-45 psi 40-45 psi @ 2000 RPM
Idle Pressure 20-25 psi 20-25 psi @ Idle
Oil Flow @ 1000 RPM 2 2 GPM
Drive Camshaft Camshaft N/a
Fuel Injection System
Mean Features
Injection Pump Make Delphi Delphi
Type Top Feed Top Feed
Model SCFI SCFI
Injection Timing Sequential Sequential
Operating Pressure 425 +/- 9 425 +/- 9 KPa
Opening Pressure 285 +/- 9 285 +/- 9 KPa
Fuel Pump
Fuel Pump Make Delphi Delphi
Type 44MM -G-Rotor 44MM –G-Rotor
Minimum Fuel Flow 25 25 Gram/Sec
Maximum Fuel Flow TBD TBD Gram/Sec
Fuel Pump Voltage Range 6-12 6-12 Volts
Fuel Pump Pressure 425 425 Kpa
Fuel Filter Delphi Delphi
Type Full Full
Recirculation Recirculation
Material Nylon 66 Nylon 66
ENGINE L35 L35 UNITS
Truck Application Marine
Application