GM Gasoline V6 90 Degree - Manual (Page 5)

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 3
ENGINE L35 L35 UNITS
Truck Application Marine
Application
Cylinder Head Subsystem
Cylinder Head
Material
Cast-Iron Cast-Iron
GM232-M GM232-M
Cylinder Head Type: OHV OHV
Valves Actuation: Push Rod Push Rod
Rocker Arm Ratio 1.5:1 1.5:1
Valve Train
Valves per Cylinder:
2 2
Valves Angle from Vertical: 15 15 Degree
Lifters - Type Hydraulic Roller Hydraulic Roller
Valve Guides Cast Iron Cast Iron
Intake Valves
Material
1541 Steel 1541 Steel
Head Diameter 49.3 49.3 mm
Stem Diameter 7.965 7.965 mm
Length 123.68 123.68 mm
Seats 45 Degree 45 Degree
Lift 11.2 11.2 mm
Exhaust Valves
Material
21 - 4N 21 - 4N
Stainless Steel with Stainless Steel with
3140 Welded Tip 3140 Welded Tip
Head Diameter 38.1 38.1 mm
Stem Diameter 7.965 7.965 mm
Length 124.84 124.84
Seats 45 Degree 45 Degree
Lift 11.0 11.0 mm
Main Block Subsystem
Block Assembly:
Material
Cast-Iron Cast-Iron
GM232-M GM232-M
Cylinders Cast Iron Cast Iron
Lower Structure Four main bearing Four main bearing
Supports Supports
Bore Spacing 111.76 111.76 mm
Deck Height 234.7 234.7 mm
Connecting rods:
Material -
Forged-SAE 1141 Forged-SAE 1141
Length - 154.9 154.9 mm
Bolts 9 9 mm
Bearings Aluminum Tin Aluminum Tin
Silicon Alloy Silicon Alloy
Rod Length to Stroke Ratio 1.68:1 1.68:1
Piston
Type -
Strutless Strutless Cam Turned
Flat Top Flat Top
Material - Eutectic Cast Eutectic Cast
Aluminum Alloy Aluminum Alloy
Weight 437 437 Gr