1978 Pontiac Grand Prix Specifications & Service Data

Heritage Automotive Technical holds factory-accurate specifications and service data for the 1978 Pontiac Grand Prix covering 4 engine options: V6-231-(3.8L)-2BBL-GAS-VIN:<A>, V8-301-(4.9L)-2BBL-GAS-VIN:<Y>, V8-301-(4.9L)-4BBL-GAS-VIN:<W>, V8-305-(5L)-2BBL-GAS-VIN:<U>. 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

View pricing or sign up to unlock the full specification values for the 1978 Pontiac Grand Prix.