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1973 GMC G-Series G2500

United States Gasoline RWD LCVUpdated Aug 24, 2026

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Specifications

Engine & Performance

Engine

Engine Specification

Rev. at Max Power: 4,000 rpm
Rev. at Max Torque: 2,400 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: 61 Ah
Alternator Charge Current: 37 A
Alternator Voltage: 14 V

Engine Configuration

Bore: 101.6 mm (4.0 in)
Stroke: 88.39 mm (3.5 in)
Compression Ratio: 8.5 :1
Engine Configuration: V-Engine
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

Dimensions & Weight

LCV Specific

General

Version: L1H1
L1H2
L2H1
L2H2

Dimensions › Length

L1: 4,496 mm (177.0 in)
L2: 5,105 mm (201.0 in)

Dimensions › Height

L2H1: 2,032 mm (80.0 in)

Dimensions › Wheel Base

L1: 2,794 mm (110.0 in)
L2: 3,175 mm (125.0 in)

Side Door › Side Door Height

H1: 1,250 mm (49.2 in)

Side Door › Side Door Width

L1: 1,143 mm (45.0 in)
L2: 1,143 mm (45.0 in)

Rear Doors › Rear Doors Height

L1H1: 1,240 mm (48.8 in)
L2H1: 1,240

Rear Doors

Rear Doors Width: 1,381 mm (54.4 in)

Cargo Space › Depth

L1: 2,604 mm (102.5 in)
L2: 3,213 mm (126.5 in)

Cargo Space › Depth, Passenger Seat Collapsed

L1: 3,594 mm (141.5 in)
L2: 4,203 mm (165.5 in)

Cargo Space › Height

H1: 1,367 mm (53.8 in)

Cargo Space

Space Width: 1,798 mm (70.8 in)

Cargo Space › Space Width, Between Wheel Arches

L1: 1,359 mm (53.5 in)
L2: 1,359 mm (53.5 in)

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

Equipment

Side Mirrors

Mirror Type: Conventional
Adjustments: Mechanical
House Colour: Chrome
Mirror Shape, Driver side: Flat
Mirror Shape, Passenger side: Flat

Windscreen Wipers

Number of Wiper Speeds: 2
Intermittent Control: Optional

Windows

Window Lifts, Front: Manual
Heat-Insulating Windows: Front
First Row
Second Row
Rear
Tinted Windows: Optional
Rear Windows, Pop-out: Optional

Windows › Tinted Windows

Second Row: Optional
Rear Window: Optional

Windows › Rear Windows, Pop-out

Manual: Optional

Other Equipment

Antenna: Optional
Air Intakes: 1-port
Mud Flaps: Optional
Side Steps: Optional

Other Equipment › Mud Flaps

Front: Optional
Rear: Optional

Other Equipment › Side Steps

Stationary: Optional