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1978
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Forward Control 7.4L Eng VIN S, Standard Trans
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Repair and Diagnosis
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Engine Performance
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Tune-Up
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Tune-Up Procedures - V8
Tune-Up Procedures - V8
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Engine Identification
Vehicle Identification Number
Engine Identification Code
Tune-Up Notes
Engine Compression
Valve Clearance
Valve Arrangement
Spark Plugs
High Tension Wire Resistance
Distributor
Ignition Timing
1975-77 Models
1978 Models
1979 Models
Hot (Slow) Idle Rpm
Notes
1975 Models
1976 Models
1977 Models
1978 Models
1979 Models
Idle Mixture
Notes
Exhaust Gas Analyzer Procedure
1976 455" Engine
Tachometer (Lean Drop) Procedure
1975-77 Models (Except 1976 455" Engine) & 1978 Heavy Duty Models
Propane Enrichment Procedure
1978-79 Light Duty Models
Best Idle Procedure
1979 Heavy Duty Models
Cold (Fast) Idle Rpm
Notes
1975 Models
1976 Models
1977-78 Models
1979 Models
Automatic Choke Adjustment
1975 Models
1976-77 Models (With 4MC & 4MV Carburetors)
1976-79 Models (Without 4MC & 4MV Carburetors)
Fuel Pump
Ignition System
Distributor
Notes
Other Data & Specifications
Ignition Coil
Notes
Other Data & Specifications