Kurt staging
Guys, I have an MS3 that I'm about to start tuning that has an IDA throttlebody with 4 injectors. It's got the injectors on the 3X plug wired in pairs and I think it would be a prime candidate for Kurt staging but other than it exists, I can't locate any info on how to do it. Any link or info on this would be apprecaited.
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You'd be better off splitting up the injectors into a primary set and a secondary set and using table-based staging.
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Nice to see someone else with a 4 injector IDA throttle body. Thought I was the only one. Well, I have an IDF technically but they are very similar throttle body-wise. I'm running MS2 though and the table based staging works flawlessly.
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What event triggers your staging? I think most would stay with the Mazda RPM at 3500 or so but it can be triggered by other stuff. I was considering duty cycle as my 12A might have a bit more injector capability (4-460's) than I really need. I'm still trying to get the sync pulse problem I've got worked out but things are progressing, SLOWLY!
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With table-based staging, there is no "event" that triggers it. You have a table where 0% means not staged, 100% means fully staged, and anything in between means partially staged.
Ken |
Well, I got through the sync problems and I seem to have lucked out on the table based staging and tuning is in process. Thanks for all who have helped until now. Your patience has been greatly appreciated.
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Quick update; The car has been running well for about 6 weeks or so and the difference from a carb is great in every way. It runs well cold or hot, I gained 25 HP on the dyno and with a MUCH wider power band, and even runs turning hard in both directions. The turning thing is why I decided to drop the carb in the first place as it's an autocross car. I do still feel like I know way too little to get as good of results as I've gotten but I've learned lots and the results are amazing!!
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Glad to hear it's going well for you.
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