1968 Mustang Tune-up Specifications
Engine Spark Plugs Points IGN Timing Fuel Idle speed
Cyl – Cu.in. HP Type Gap Dwell Gap(in) Man Trans Auto Trans pressure Man trans Auto trans
6—-200 120 BF-82 0.034 38 0.027 6B 12B 4 ½ 700 550(!)
8—-289 225 BF-42 0.034 27 0.021 6B 6B 5 700 550
8—-302 230 BF-32 0.034 29(#) 0.017(#) 6B 6B 5 625 550(!)
8—-390 265 BF-32 0.034 29(#) 0.017(#) 6B 6B 6 625 550
8—-390GT 325 BF-32 0.034 29 0.016 6B 6B 6 700 550
8—-427 390 BF-32 0.034 29 0.017 — 6B 6 — 600
8—-428 335 BF-32 0.034 29 0.017 — 6B 6 — 600
notes
(!) Idle speeds set with ac turned off
(#) Applies to thermactor set dwell to 27 ang gap to 0.021
()figures in parentheses apply to California engine figure in the brackets are
for solenoid equipped vehicles only.