1966 Pontiac GTO Specifications & Service Data

Heritage Automotive Technical holds factory-accurate specifications and service data for the 1966 Pontiac GTO covering 9 engine options: V8-389-(6.4L)-3x2BBL-GAS-VIN:<WS>, V8-389-(6.4L)-3x2BBL-GAS-VIN:<WV>, V8-389-(6.4L)-3x2BBL-GAS-VIN:<XS>, V8-389-(6.4L)-3x2BBL-GAS-VIN:<YR>, V8-389-(6.4L)-4BBL-GAS-VIN:<SE>, V8-389-(6.4L)-4BBL-GAS-VIN:<WT>, V8-389-(6.4L)-4BBL-GAS-VIN:<WW>, V8-389-(6.4L)-4BBL-GAS-VIN:<XE>, V8-389-(6.4L)-4BBL-GAS-VIN:<YS>. The categories below are available with a subscription — actual specification values are not shown here.

Specification data on file

• Mechanical Clearances
• Torque Specifications
• Tune-Up Data
• Valve Train
• Fluid Capacities

Additional technical resources

• Wiring Diagrams (72)

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