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Engine profile

1987 Buick Regal GNX engine family

Buick LC2 turbocharged V6 with GNX-specific induction and controls · 231 cubic inches · Buick

Engines and Induction summarized from reviewed factory and marque references. 1987 Buick Regal GNX

Engine Summary

Manufacturer
Buick
Family
Buick LC2 turbocharged V6 with GNX-specific induction and controls
Displacement
231 cubic inches

Also Known As

1987 GNX intercooled turbo V61987 GNX turbo and intercooler system1987 GNX engine controls and exhaust

Identification reference

Engine Details

Source-backed component numbers, codes, stampings, and application notes.

GNX engine controls and exhaust

Value
GNX-specific engine-control programming, boost strategy, low-restriction dual-muffler exhaust, emissions equipment, cooling, and fuel-delivery system
Application
Required conversion path; period test estimates are not factory ratings
Type
carburetor / specification

Sources: Buick's Turbo Regal GNX: Last of the Real Musclecars , T-Type, Grand National, and GNX production figures , Tested: 1987 Buick GNX Exercises Brute Force , The Buick Grand National and GNX history told by its creators

GNX intercooled turbo V6

Value
231 cu in (3.8 L); sequential-port fuel injection; 8.0:1 compression; GNX turbo, intercooler, exhaust, and electronic controls; 276 SAE net hp at 4,400 rpm and 360 lb-ft at 3,000 rpm
Application
Required GNX powertrain
Type
engine assembly / specification

Sources: Buick's Turbo Regal GNX: Last of the Real Musclecars , T-Type, Grand National, and GNX production figures , Tested: 1987 Buick GNX Exercises Brute Force , The Buick Grand National and GNX history told by its creators

GNX turbo and intercooler system

Value
Ceramic turbine wheel, revised turbo housing and seal, revised intercooler core, charge plumbing, wastegate controls, sensors, fuel system, and GNX calibration
Application
Required ASC/McLaren conversion hardware
Type
engine assembly / specification

Sources: Buick's Turbo Regal GNX: Last of the Real Musclecars , T-Type, Grand National, and GNX production figures , Tested: 1987 Buick GNX Exercises Brute Force , The Buick Grand National and GNX history told by its creators

Cars Using This Engine

1 linked car page.

Source Trail