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New injectors = adjust your IDC alky trigger ;)

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Old Jun 19, 2008, 11:51 AM
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New injectors = adjust your IDC alky trigger ;)

So I had stock injectors on my car w/ HFS-1 installed. I had the trigger set to come on around 20psi, depending on the gear/rpm, etc. It worked great. I spent the last few days dialing in my new FIC 1050cc injectors. I did a few wot runs on just pump gas to test my low boost map, and it was suprisingly dialed-in. Flip on the DDS and wot....surprise! No alky!

I wasn't worried about it, thinking I must have bumped something while messing around with the car over the last week, maybe I bumped something....then I get to work this morning after logging more WOT runs....my PEAK idc is now in the neighborhood of 58%....alky is triggered by IDC %....before peak IDC was 105% on just pump, 127% on alky....DOH!

A quick spin of the dial in my DDS junction box and voila, tire-shredding alky fun is restored

Just a note for anyone with alky installing bigger injectors....CHECK YOUR TRIGGER POINT!!!
Old Jun 19, 2008, 12:06 PM
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Thanks for the heads up!! I'll be installing mine next week!
Old Jun 19, 2008, 06:25 PM
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good thing to point out, people can easily overlook this.
Old Jun 20, 2008, 09:43 AM
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Ya, I probably would not have noticed if the change in injector size was not so big. I went from stock scaling of 513 to 1008, and my new injectors were actually flow-rated at 1072cc each. Going from stockers to 850's might not be so noticable...
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