Tune-Up Procedures - V8: Distributor

All gasoline models are equipped with High Energy Ignition System. No adjustment is required.

Fig 1: 305" & 350" (VIN G & L) Firing Order & Timing Marks

Courtesy of GENERAL MOTORS COMPANY

Fig 2: 260", 301", 350" (VIN R), 400" & 403" Firing Order & Timing Marks

Courtesy of GENERAL MOTORS COMPANY

Fig 3: 260" & 350" Diesel Firing Order

Courtesy of GENERAL MOTORS COMPANY