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AEM Wideband Install

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Old Feb 26, 2010 | 01:04 PM
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From: Chino Hills
Cool AEM Wideband Install

Ight, so i just installed my AEM EUGO A/F Ratio gauge and it idles at 14.6-14.9. But at WOT it is 11.1-12.6. I running a comptech supercharger, 91 octane, test pipe, and exhaust. Those are the numbers I am supposed to be at right? Help me out guys, just wanna make sure im running a safe A/F ratio. Thanks!
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Old Feb 26, 2010 | 02:10 PM
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The idle is pretty much spot on and the WOT isnt too bad either. I'd say you should be just fine on the WOT AF's since youre SCed but that depends on how good your timing is. If the timing is set up good and is fairly conservative for your setup, you should be just fine.
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Old Feb 26, 2010 | 02:20 PM
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I'd recommend max 12.2AFR in WOT with an AC running an CTSC with AC, thats if you have an AC.
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Old Feb 26, 2010 | 03:24 PM
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Looks good to me.
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Old Feb 26, 2010 | 03:49 PM
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Those AF's are good. No worries there.

Where did you end up getting your power from?
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Old Feb 26, 2010 | 04:14 PM
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Awesome guys, I appreciate it. I was freakin out cuz i thought it wasnt good to be idling around there, but im cool. (less stressed out). And to answer Irvatrons answer, yes, i have the aftercooler : )
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Old Feb 26, 2010 | 04:19 PM
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With my vortech I was seeing mid 14's WOT at first. Haven't driven it since as it went much more lean. I would love to have mid 12's or even 13's lol.
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Old Feb 26, 2010 | 11:09 PM
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Oh, spectacle, i ended up tapping into the water pump wire. It works perfect : ) BUT now, the only problem i seem to be having is my car randomly "bucks" every once in a while. I have a feeling it has something to do with the HKS SSQBOV i just installed, could that be what is causing the bucking??? Chime in anyone! (oh, and even under the bucking every once in a while, the A/F ratio is still fine) so ionno....
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Old Mar 2, 2010 | 10:28 AM
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Not sure what the bucking is related too, but your AFR's look great. If you wanted to improve your pre vtec power you could pick up a cheap vafc with pnp harness and lean out the 11:1 and get it up to 12.8-13. lower your vtec a couple hundred rpm as well. Worth the $300 if you plan on running the base kit for a wile.
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