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Fueling with Stock ECM for 100HP N2O Shot

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Old Nov 13, 2003 | 09:51 PM
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OMINOUS_87's Avatar
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Fueling with Stock ECM for 100HP N2O Shot

Has anyone used the PE fueling tables within the factory .bins to fuel for N2O while running a dry shot, 100HP is about my goal?
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Old Nov 14, 2003 | 08:21 AM
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Car: 2005 Subaru STI
Engine: 153ci of Turbo Power!
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I have not done it ... but, there is a guy who I know pretty well that did do it - successfully. So, can it be done? Yes.

Tim
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Old Nov 14, 2003 | 09:06 AM
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I'll tell you what I know. You should add about 15% fuel in the pe tables and run a conservitive total timing. Then lean it out from there untill you get max power.
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Old Nov 14, 2003 | 10:43 AM
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I've used the PE tables to compensate for a centrifigual supercharger. This is fine because the supercharger behaves in a constant fashion based on RPMs.

However, you face a problem with NOx, you only want the extra fuel (and reduced spark) when you are armed and have available NOx. If you are not armed (or no NOx), then you will run overly rich and have a retarded spark.

You almost need two separate bins (consider Craigs multi-bin adapter) to switch between the two. Just remember that while you may loose performance if you have the NOx version but not armed or have any NOx left...you could detonate if you accidentally have the "normal version" bin when you hit the go-juice.

Diving into the code and altering it to read an input and use two different PE tables is the proper fix...but I don't know anyone that has done that.
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Old Nov 14, 2003 | 10:49 AM
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From: Mesa, AZ: Transplanted from Chicago, IL
You almost need two separate bins (consider Craigs multi-bin adapter) to switch between the two.
That is exactly the plan. Different .bins for N2O Vs. NA, strip use only.

I was just hoping that someone had done it and had an experience to share.
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