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Old Aug 22, 2008, 01:16 PM
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Bigger injectors?
Have i reached the end of stock injectors with only a catback, boost and intake?!



I hit 265-270 load peak and tapering down to 230 at 7k
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Old Aug 22, 2008, 01:18 PM
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Your stock injectors are fine for your stock turbo.
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Old Aug 22, 2008, 01:31 PM
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You're fine. I ran my stockers out to 127% IDC. I've seen others start to max out at 119%. Slap in a walbro and you'll have a little more headroom, if you really want it.

Do this at the same time as cams and you'll be in good shape!
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Old Aug 22, 2008, 01:38 PM
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Lean it out some as well and get some of the IDC back.
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Old Aug 22, 2008, 01:44 PM
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I have a set of Precision 680's for $150 shipped.
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Old Aug 22, 2008, 05:21 PM
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yeah stock injectors are almost running flat out on a boosted stock turbo.

either lean out a little, install a walbro or get bigger injectors..
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Old Aug 22, 2008, 10:29 PM
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Hmm.. Im already running 11.2 afr, I could bump it to 11.5 or so. I guess ill get a walbro 225 with my GSC S-1 as my next investment. Hah!
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Old Aug 23, 2008, 02:34 AM
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yeah lean it out to 11.5 ( take some timing out up top and then re-add it back in.. )
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Old Aug 23, 2008, 06:27 PM
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Originally Posted by mdsevo06
I have a set of Precision 680's for $150 shipped.
Thanks for the offer, thats a great deal on a set of injectors. But i plan to get some 1000's and switch to e-85 in march when i move to charleston,sc. Cant wait for that
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Old Aug 23, 2008, 10:39 PM
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I was running my stock injectors out to 119-120% IDC, get a Walbro pump and you'll have plenty of head room.
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Old Aug 23, 2008, 10:46 PM
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Its just weird, not saying that 120% wont work on our cars. But im a electrican and when i see something read 100% duty that means a constant signal to it. Meaning the injectors dont stop spraying. I guess the stock value of 513 for injector scaling is off a tad.
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Old Aug 23, 2008, 10:50 PM
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Stock injectors are 560cc, so yes, the scaling isn't exact.
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Old Aug 25, 2008, 09:27 PM
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Originally Posted by silver_evo
Its just weird, not saying that 120% wont work on our cars. But im a electrican and when i see something read 100% duty that means a constant signal to it. Meaning the injectors dont stop spraying. I guess the stock value of 513 for injector scaling is off a tad.
The general consensus I get from exploring what % in evoscan means your injectors are really maxed out = 110%. I've heard this mention a few times by the more senior members of the ecuflash section of evom.
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Old Aug 25, 2008, 10:13 PM
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^+1

still injectors are meant to be run at less than 80% (dunno why, just what most MFC's state).

And anyways they are cheap as chips now... $350 for FIC1050's is a GREAT DEAL!
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Old Aug 26, 2008, 09:36 AM
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+1 on get the walbro pump. I had same issue and it solve my problem... for now.
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