Tune-Up Procedures - V8: Distributor

All models are equipped with High Energy Ignition systems. No adjustments are required.

Fig 1: 1975 455" Motor Home Chassis Firing Order & Timing Mark Identification

Courtesy of GENERAL MOTORS COMPANY

Fig 2: 1975-79 305", 350", 400" & 454" Firing Order & Timing Mark Identification

Courtesy of GENERAL MOTORS COMPANY

Fig 3: 1977 403" & 7976-77 455" Firing Order & Timing Mark Identification

Courtesy of GENERAL MOTORS COMPANY