cws_nz Posted November 27, 2023 Report Share Posted November 27, 2023 Hi wondering about pairing the injectors on a 6cylinder (old holden 3.3 ) run by monsoon multipoint group setup 36-1 crank trigger no cam sync firing order is 1,5,3,6,2,4 ignition is wasted spark 1,6 5,2 3,4 with the ecu firing odd and even drives separately what is the correct order to pair the injectors for best fuel distribution? 153 as one group & 624 as a second ? with the injection rate set to once per cycle having a 360 offset between odd and even injector drives (or am i better to change to twice per cycle?) this is how the old jettronic injectors were fired in the factory setup Quote Link to comment Share on other sites More sharing options...
Vaughan Posted November 28, 2023 Report Share Posted November 28, 2023 Have you considered using semi sequential Injection? Quote Link to comment Share on other sites More sharing options...
cws_nz Posted November 28, 2023 Author Report Share Posted November 28, 2023 ah yep miss the obvious that would work, so that will work fine with the 36-1 trigger and no cam sync? Quote Link to comment Share on other sites More sharing options...
Vaughan Posted November 28, 2023 Report Share Posted November 28, 2023 ah no, didn't read that bit sorry, semi sequential needs cam sync. In terms of firing order affecting multi point injection wiring it shouldn't really make any real difference, higher injection count per cycle will deliver fuel more evenly per cylinder but higher counts also make it harder to inject smaller volumes due to minimum pw being applied multiple times. Quote Link to comment Share on other sites More sharing options...
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