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Pontiac GTP Engine Specifications

 

Application

Specification

Metric

English

General Data

  • Engine Type

90° V-6

  • Displacement

231 cu  in

  • L36  Horsepower 

200 HP @ 5200 rpm

  • L67  Horsepower 

240 HP @ 5200 rpm

  • L36  Torque 

225 @ 4000 RPM

  • L67 Torque 

280  @ 3600 RPM

  • Liter (VIN)

3.8L (K), (1)

  • RPO

L36, L67

  • Bore

96.52 mm

3.8 in

  • Stroke

86.36 mm

3.4 in

  • Compression Ratio (VIN K)

9.4:1

  • Compression Ratio (VIN 1)

8.5:1

  • Firing Order

1-6-5-4-3-2

Lubrication System

  • Oil Capacity with Oil Filter Change

4.25 L

4.5 qt

  • Oil Capacity without Oil Filter Change

3.75 L

4 qt

  • Oil Pressure @ Operating Temperature (1850 RPM) Using 10W-30 Oil

414 kPa

60 psi min

  • Oil Filter Type

Throw Away Element and Can

Camshaft

         Duration

Intake Degrees

182

Exhaust Degrees

190

         Lobe Lift

Intake

.412

 Exhaust

.408

        Lobe Separation

115

Valve System

  • Lifter

Hydraulic Roller

  • Rocker Arm Ratio

1.6:1

  • Face Angle

45°

  • Seat Angle

45°

Valve Spring

  • Free Length

49.78 mm

1.960 in

  • Load-Closed

334 N @

43.69 mm

75 lb @ 1.72 in

  • Load-Open

1014 N @ 32.4 mm

228 lb @ 1.277 in

  • Installed Height

42.93-44.45 mm

1.690-1.720 in

 

 


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