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Old 06-26-2010, 01:15 PM   #1
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Default Link Obiwan & which wideband 02 sensor?

I'm a noob, and a lurker, trying to learn more before spending $$$ to turbo my 96 M edition.

Turbo bits are being assembled now. Son, an ASE Master Tech, tells me I need a wideband 02 sensor for the engine's safety's sake (my goal is modest power increase w/o compromising reliability; I'm too old to want monster power increases...).

I've seen a fair amount here, and elsewhere on the Web, re AEM and LC-1 wideband 02 sensors.

Anyone have any experience with, or tips concerning, either of these with a Link Obiwan? I've been running that ECU for a couple of years now (and still marvel that Miata didn't use a smarter ECU from the beginning - difference between stock and Link ECU's is like difference between pig and mongoose).

Appreciate any help...thanks!

Bruce
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Old 06-26-2010, 01:49 PM   #2
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i would go with aem/gauge setup. that way you can glance at it anytime. i live at sealevel and when i go anywhere in texas i'm at different altitide, baro. pressure, temp, humidity, etc... to the point that i have to adj. my boost controller to keep the boost level i run the same.
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Old 06-26-2010, 04:47 PM   #3
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I have link OBD II in my 90 with an AEM gauge. I just wish it showed AFR down to 10 to 1. It only goes to 11 to 1. It is easy to set up with the link.
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Old 06-28-2010, 03:31 PM   #4
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below 11.0:1 is way too rich anyway. if it's below that you need to lean it out. 11.5 is safely rich and anything below 11.0 doesn't help anything.
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Old 06-29-2010, 01:01 AM   #5
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Yes it is too rich. But it makes tuning easier if you know it is at 10.1 or 10.9 to 1 . When you are trying to get 11.2 to 1. Other than that I would say get the AEM. Very easy to set up and read.
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