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Old Jun 30, 2009, 10:20 AM   #13
scheides
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Join Date: Oct 2006
Location: Minneapolis
Posts: 2,958

Drives: 05 Evo8 SSL

Most of those values you leave as-is. Stock injectors flow 560cc's and you have 4 of them. You need to log your car to see what your peak IDC is but if you have a walbro and all the mods listed in your sig, you're prolly running about 100% IDC peak pretty easily (not bad, I ran mine up to 127% ).

Anyways, decide how much meth/water you want to inject and set that percentage, or guess at what jets you want to run and work your way backwards. Last week I switched from a single 1.0mm jet and added a second jet. I was going to add a .8mm, but all I had was a .9mm so I just went with it. That adds up to 967cc/min based on the chart listed on that page. I'm using 2 injectors, so divide that in half for 483.5cc/min per injector target (average). With my setup and some rough numbers, that gives me about 22% of my fuel ratio being water/meth. Since I'm going for max power out of the setup, this is a good % to be at

I attached a screenshot of the settings I used. Again, rough numbers but they work.

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