Nissan VG30DETT 3.0L V6 Remanufactured Engine – 9/94-7/95

Description

Meet severe twin-turbocharged fleet durability benchmarks with 460 lbs of precision-machined six-cylinder powertrain engineering that channels steady boost pressure through heavy manual transmissions via the Nissan VG30DETT Late Remanufactured Engine. Calibrated for 9/94 to 7/95 300ZX Twin Turbo models, this late-series 24-valve DOHC V6 powerplant delivers relentless performance across intensive commercial transit applications.

High-nickel cast iron block casting integrates thick cylinder walls and an Ra 25 micro-inch deck surface finish. A precision-balanced forged steel crankshaft rotates on tri-metal journal bearings, driving forged steel connecting rods and dish-top hypereutectic aluminum pistons with oil squirt cooling. Sump capacity measures five quarts in a stamped steel oil pan, while high-velocity oil circuits safeguard four camshafts across an overall dry engine weight of 460 lbs.

Key Features of Nissan VG30DETT Late

Commercial fleet operators buy Nissan VG30DETT Late remanufactured engine packages to restore high-output powertrain reliability and prevent roadside failures. Dyno cell verification validates balanced boost response and strict combustion chamber sealing across all cylinders.

• Quad camshaft overhead design regulates 24 valves for maximized charge air intake velocity
• Updated late-style fuel rail mounts and intake ports accept modern pintleless injector hardware
• Multi-layer steel cylinder head gaskets maintain dynamic combustion seals under severe boost pressure
• Plateau diamond honed cylinder bores eliminate piston ring blow-by and oil vapor emissions
• High-flow internal trochoid oil pump provides 65 PSI cruising pressure to bearings and turbocharger feeds
• Sodium-cooled exhaust valves reject extreme combustion heat away from valve guide surfaces
• Nissan VG30DETT Late long block units pass rigid non-destructive ultrasonic flaw testing

Dynamic Boost Thermal Boundaries

This twin-turbocharged V6 engine outputs 300 horsepower at 6400 RPM alongside 283 lb-ft continuous torque at 3600 RPM using an 8.5:1 compression ratio. Dynamic cylinder cranking compression tests between 165 and 180 PSI across all six cylinders. Normal coolant operating temperatures hold between 185°F and 205°F, backed by 22 PSI hot idle oil pressure and 65 PSI cruising pressure. Radiator thermal rejection capacity measures 4200 BTU per minute under Severe Commercial Fleet duty cycle standards.

Driveline Crankshaft Interface Parameters

The rear crankshaft flange uses a six-bolt flywheel mounting pattern with an engineered 1.259-inch pilot hole dimension. Front crankshaft snout measures 1.181 inches with a precision keyway for timing belt sprocket location. Dial indicators measure crankshaft axial thrust endplay between 0.003 and 0.007 inches across all finished builds.

Commissioning Steps Maintenance Rules

Technicians must prime internal engine oil passages with an external pressure tank and purge turbocharger feed lines before initial ignition. Conduct a twenty-minute cam run-in procedure at 2000 RPM using high-zinc break-in lubricant. This engine is not engineered for aftermarket boost controllers exceeding 16 PSI, water-methanol injection, or vehicle payloads exceeding manufacturer gross ratings.

• Check oil levels and turbocharger connections each shift
• Change synthetic motor oil and replace filter every 3000 miles
• Inspect intercooler piping and charge hoses every six months

Fleet Guarantee Package Manifest

Supported by our 3-Year 100000-Mile commercial fleet warranty for verified transport operations. The heavy wooden container holds the remanufactured long block engine, high-capacity oil pump, complete engine install gasket kit, spark plug tube seals, and a certified dynamometer qualification inspection report.