Engine
General
| Designation: |
3.8 L SFI Turbocharged |
| Type: |
90° V6 OHV, even fire (Buick V6) |
| Displacement: |
231 in³ (3.8 L) |
| Peak Power: |
245 hp (183 kW) @ 4400 RPM SAE net |
| Peak Torque: |
355 lbf·ft. (481 N·m) @ 2000 RPM SAE net |
| Firing Order: |
1-6-5-4-3-2 |
| Option Code: |
LC2 |
| VIN Code: |
7 |
|
|
Block & Crank Assembly
| Bore: |
3.80 in. (96.5 mm) |
| Stroke: |
3.40 in. (86.4 mm) |
| Block Material: |
Cast Iron |
| Crankcase: |
4 Main Bearings with 2 Bolts Each |
| Crankshaft: |
Nodular Cast Iron, Hydraulically Rolled Fillets at Journals,
30° Journal Offset, 2.50"D Main Journal, 2.25"D Rod Journal,
Internal & External Counterbalance |
| Connecting Rods: |
Nodular Cast Iron, 5.960" Center to Center, 3/8" Bolts |
| Pistons: |
Tin Plated Cast Aluminum Alloy, 8.0:1 Compression Ratio |
|
Heads
| Material: |
Cast Iron |
| Intake Valves: |
1.71"D (43.4 mm) |
| Exhaust Valves: |
1.50"D (38.1 mm) |
| Valve Springs: |
Free Length: 2.03",
Closed Load: 74-82 lbs @ 1.727",
Open Load: 175-195 lbs @ 1.34" |
| Rocker Arms: |
Stamped Steel, Shaft Mounted, 1.55:1 Ratio |
|
Cam
| Type: |
Hydraulic |
| Intake Duration (@ 0.050" Lift): |
192° |
| Intake Valve Lift (1.55:1 rocker arm): |
0.384" (9.75 mm) |
| Exhaust Duration (@ 0.050" Lift): |
196° |
| Exhaust Valve Lift (1.55:1 rocker arm): |
0.408" (10.4 mm) |
| Lobe Separation: |
107° |
| Overlap: |
38° |
|
Induction
| Intake Manifold: |
Aluminum, |
| Injectors: |
29.8 lbs/hr @ DP=45 psi
Bosch #0-280-150-218 |
|
Ignition
| Distributorless, crank triggered, waste spark system
with one coil per 2 cylinders |
|
