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350/260 hp mercruiuser alpha one gen one drive. had issues with stalling/hard starting with oem thunderbolt 4 ignition system. installing hei distributor but confused about hookup? hei has 3 wires outside distributor but when pigtail is plugged into unit only one red and one green remain? no...
350/260hp mercruiser with thunderbolt ignition system. replaced original distributor pickup sensor but need wiring diagram? original had threaded studs but new sensor has pigtails? also does black wire from pigtail need grounding to distributor or is block okay? thanks!
gas is good.no foul smell of phase separation.treated and stabilized from last season. get engine started with difficulty and still seemed starved for fuel above 2000rpm. when finally got above 3000rpm tach went crazy going back and forth? ignition issues? ideas appreciated? thanks!
83' mercruiser 350/260hp alpha one outdrive with rochester quadrajet carburetor. replaced mechanical fuel pump.engine started and was run for about 10 minutes. several days later engine would not start so replaced carburetor. boat still failed to start except briefly on starter fluid checked...