Injector Resizing - AEM EMS? - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-23-2009, 12:37 PM   #1
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Default Injector Resizing - AEM EMS?

Hey folks. I have a 90 miata with a 97 motor in it, and have been running it NA for a while. So therefore, I have the 220cc injectors in it, and I'm currently half way through my turbo build. I just put my m-tuned fuel rail in, and the toyota supra 440cc injectors (had them in my last build with a f/ic). What do I need to do on the AEM EMS side to compensate for the new injectors? I think my fuel chart at the moment is pulse based.

Thanks for the help If everything goes well, I should be up about mid week.
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Old 05-23-2009, 03:48 PM   #2
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I'm not the guy to ask but; I just rescaled my map by small percentages until I hit the AFR figure I was looking for.
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Old 05-24-2009, 12:35 AM   #3
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Quote:
Originally Posted by Rafa View Post
I'm not the guy to ask but; I just rescaled my map by small percentages until I hit the AFR figure I was looking for.
Thanks for the reply. I figured as much, but was hoping the EMS could just auto scale itself
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Old 05-24-2009, 08:39 AM   #4
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Thanks for the reply. I figured as much, but was hoping the EMS could just auto scale itself
Not that I know of
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Old 05-25-2009, 01:15 AM   #5
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right click on the fuel map(the one with all the numbers) On the bottom of the options it should say "change injectors/pressure" click that and then change accordingly
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Old 05-26-2009, 11:28 AM   #6
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That's a cool little utility. Any idea on what the max CC at what BAR I enter for the 1990 Mazda RX-7 red top injectors? (460cc). I have the specs for my 97 injectors.

Thanks for the help!
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