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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 03-01-2009, 05:57 PM   #81
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I need to adjust my tip in or accel enrichment. It goes lean for a moment upon touching the throttle.
Wouldn't the rapid learn mode eventually tune out the lean tip in?

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Old 03-01-2009, 06:33 PM   #82
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Lean tip in is not part of the fuel map and thats what the rapid learn mode tunes isn't it? Acceleration enrichments usually have to be hand tuned like every other EMS.
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Old 03-01-2009, 10:07 PM   #83
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cant wait to have the 2nd adaptronic nb in the states going to start fixing my 2 leaks and figuring out the shitty idle asap
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Old 03-01-2009, 10:16 PM   #84
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What injectors are you running and how lean can you idle them? I'm tired of not being able to idle my 550s that flowed closer to 600cc at 44 psi. Which means they flow even more than that at our static 65 psi of fuel pressure. The MS1 lacks enough resolution to idle them any leaner than 13:1 on a good day with hi-res.
Word. I have messed with this a lot, including timing adjustments. I finally just gave up and I idle them rich, like 12-12.5:1.
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Old 03-01-2009, 10:21 PM   #85
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Hehe, I was idling my 550's at 4 squirts and idling 19:1 missfiring when playing with injector settings. Low ohm FTW. Also four sprays instead of two makes for a snappier and just different idle. It falls to an idle like a diesel does. Hard, fast, and just lands flat fast and hard and sits there rock solid. It's neat.
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Old 03-01-2009, 10:44 PM   #86
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Hehe, I was idling my 550's at 4 squirts and idling 19:1 missfiring when playing with injector settings. Low ohm FTW. Also four sprays instead of two makes for a snappier and just different idle. It falls to an idle like a diesel does. Hard, fast, and just lands flat fast and hard and sits there rock solid. It's neat.
I hate you.
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Old 03-02-2009, 09:23 AM   #87
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I have stock injectors now and 550's at Deatschwerks getting serviced. Supposedly, this ECU will idle large injectors easily. It says how and why in the manual, but I don't recall how it does it. Once I get this map done on stock injectors I will be saving it for future users and then should be able to do a percentage scale to convert to the 550's. I will then autotune and save the map for 8 PSI. After that I plan on getting an EBC, upping to 10 PSI. I will autotune and then dyno tune.

Anyone that is interested should download the installation manual and the software. Both function without the unit. They will answer a lot of your questions.
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Old 11-27-2009, 01:35 AM   #88
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Old 11-27-2009, 01:52 AM   #89
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Good to see that you are reading up. There are some things that are different since this thread. It will be pretty self explainatory when you see the new pics that I took before taking it apart.
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Old 11-27-2009, 02:18 AM   #90
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Stein just out of curiosity, why didnt you go with a more exotic manifold?
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Old 11-27-2009, 02:30 AM   #91
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Stein just out of curiosity, why didnt you go with a more exotic manifold?
I just wanted to make something that was clean, had good flow, balanced runners and fit the SR20 T25 easily. This was a modification of the simple "log" manifold that drove the gasses smoothly without running into each other. The only other option was a top or bottom mount and I didn't think that I would gain anything significant for a much larger effort to build.
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Old 11-27-2009, 03:32 AM   #92
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thanks for the explanation sir have a nice night
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Old 11-27-2009, 03:53 AM   #93
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Thank you. I am able to handle this mod, but it will be nice to have additional help.

Have a great day,
Jared
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