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1975 GMC G-Series G1500 Rally

United States Gasoline RWD LCVUpdated Aug 24, 2026

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Specifications

Engine & Performance

Engine

Engine Specification

Rev. at Max Power: 3,800 rpm
Rev. at Max Torque: 1,200 rpm

Engine Fluids

Synthetic Oil (viscosity): 10W-30
Engine Oil, Volume: 4.7 litres

Engine Fluids › Engine Coolant

IAT: Yes

Car Battery

Voltage: 12 V
Battery Capacity: 45 Ah
Alternator Charge Current: 37 A
Alternator Voltage: 14 V

Engine Configuration

Bore: 98.3 mm (3.9 in)
Stroke: 89.66 mm (3.5 in)
Compression Ratio: 8.25 :1
Engine Configuration: Inline
Naturally Aspirated: Yes
Synchronization: Timing Chain
Engine Placement: Front
Engine Mount: Longitudinally
Type of Combustion Engine: Piston
Fuel System: Single (Number of Barrels) Carburator
Camshaft Type: OHC
Engine Block: Cast Iron
Engine Heads: Cast Iron
Engine Cooling: Liquid Cooling

Exterior

Chassis & Body

Chassis

Chassis: LCV (Minibus)
Pillars: A-D
Chassis Construction: Unibody
Body Material: Steel
Protective Moldings: Optional

Doors

Front Doors: Conventional
Rear Doors: Sliding (Right)
Door Handles: Archaic
Push Button