Have had this blip in RPM have tried ignition system ,i.e. advance and ,retard plugs points coil .ajusted fuel ,air ,carb mixture ,there siting at 4.5 emmisions, Co2 is about 2.5 ,tried plugs cables ,check compression siting at 150 to 155 all near enough even ,car runs well no loss in power .
when car is siting at 3000 revs slight wobble in engine ,oil pressure sitting at idle 22lbs hot about 45 lbs ,have i mist something have worked on cars ,about 35 years ,may be stick valve slight play in distributor ,poss timing chain stretch never be changed ,only down 67000 miles from new ,
