Approx. 230-235 lb-ft (depending on specific tune)
5.7L V8 Horsepower:
Approx. 200-210 hp
5.7L V8 Torque:
Approx. 300-310 lb-ft
7.4L V8 Horsepower:
Approx. 230 hp
7.4L V8 Torque:
Approx. 385 lb-ft
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI) - Central Sequential Fuel Injection (CSFI) or Multi-Port Fuel Injection (MPFI)
Fuel Type:
Unleaded Gasoline
Cooling System
Coolant Type:
Dex-Cool (Orange) or equivalent for GM vehicles of this era (Refer to manual for exact spec)
🔧 Transmission
Standard
Standard Transmission:
4-speed Automatic (e.g., 4L60-E for V8, 4L80-E for heavier duty applications)
Optional
Optional Transmission:
Manual Transmission (e.g., NV3500 5-speed for lighter duty G3500 variants)
Features
Automatic Features:
Electronic Controls (4L60-E/4L80-E), Overdrive
Fluid Specifications
Automatic Transmission Fluid:
Dexron III (or equivalent, consult manual for specific variant)
📐 Dimensions
Exterior
Wheelbase Options:
Multiple wheelbases available, typically 130-inch and 148-inch for cargo van configurations.
Weights
Gvwr Range:
Approx. 8,600 lbs to 10,500 lbs (depending on configuration and options)
💡 Technology Features
Infotainment
Infotainment System:
Basic AM/FM radio, optional cassette player or CD player. Analog climate controls.
Driver Assistance
Driver Assistance Features:
Anti-lock Braking System (ABS) often standard or optional on rear wheels, potentially all four on later models or heavy-duty configurations.
Connectivity
Connectivity Options:
Limited to power windows/locks on some trims; no integrated Bluetooth or advanced connectivity.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically 3,000-5,000 miles or 3-6 months, depending on driving conditions. Consult manual for specific recommendation.
Transmission Service:
Fluid and filter change every 30,000-50,000 miles. Consult manual for specific recommendation.
Fluid Specifications
Engine Oil Type:
API SG or SH, SAE 5W-30 or 10W-30 (consult manual for exact viscosity based on temperature).
Engine Oil Capacity:
Approximately 4.5-5 quarts for V6, 5 quarts for 5.7L V8, and 6 quarts for 7.4L V8 (with filter change). Consult manual.
Coolant Capacity:
Approximately 14-18 quarts (depending on engine and cooling system configuration). Consult manual.
Known Issues
Common Issues:
Vortec engine intake manifold gasket leaks, rear main seal leaks, early transmission control module issues (4L60-E), exhaust manifold cracks (less common on later Vortec versions).
Body Durability:
Rust on common areas like rocker panels, wheel arches, and door bottoms, especially in corrosive climates.
📚 Vehicle History
Brand Heritage
Gmc Truck Legacy:
GMC has a long history of producing robust and versatile commercial and heavy-duty vehicles.
Model Evolution
G3500 Lineage:
Part of the Chevrolet/GMC G-Series van platform, which saw continuous development from the 1970s through the early 2000s, with the 1995 model representing the later generation of this platform.
Production
Production Era:
G-Series vans were produced from 1971 to 2003.
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