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General Cheap AFR Gauge

Posted by BLACK'98DSM, Jan 14, 2020

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  1. BLACK'98DSM

    BLACK'98DSM Proven Member

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    I don't really care what it looks like. It just needs to work.

    Suggestions?
     

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    1998 Mitsubishi Eclipse N/T
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  2. silvreclips

    silvreclips Proven Member

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    Whatever brand you choose it needs to be a wideband. I have an AEM gauge and have been very happy with it.
     

    Autocross Build 607  1

    1998 Mitsubishi Eclipse N/T
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  3. dsmcrzy

    dsmcrzy Proven Member

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    If you are going for cheap look for something name brand that’s on eBay or in the classified section. Most of the sub $100 AFG gauges (for a new one) is not going to be accurate or reliable. You also want a wide band not a narrow band. I have used prosport gauges in the past. I liked them but they were hard to read in the daylight.
     

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  4. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Might try to find one with a needle
     

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    2008 Tomberlin Crossfire 150R
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  5. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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  6. Mello

    Mello Proven Member

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    It depends on what you want this gauge for. I believe the prior response are alludiing to why do you want this guage? If it's because you want to know what your actual AFR's are you should go with a wideband gauge that measures too & not one of the cheapo AFR gauges that splice into the narrowband sensor wires & only interrupts the ECU signal.
     
    Last edited: Jan 14, 2020
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  7. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Yes I'm going with a wideband
     

    Road Race Build 3K  10  25

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  8. Evolving_sti

    Evolving_sti Proven Member

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    What's your end goal. Are you gona boost this thing? Take it from me and do not cheap out on a wideband. What I've learned being a member here and even actual performance websites refer to dsm people as "cheap" LOL. The wideband gauge is something I would pay extra for the "name". Aem is the only one I would get. When I had my turbo civic I had a small tear in one of my fuel lines near my fuel pump. The wideband gauge possibly saved my motor as I noticed lean conditions under boost. I run nothing but aem digital gauges on everything. My evo has a boost and wideband , my eclipse has boost, wideband, water temp. Never cheap out on gauges to save a few bucks.
     

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  9. BLACK'98DSM

    BLACK'98DSM Proven Member

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    No, I don't plan on boosting it. But I am continuing with this build almost everyday, and the more I upgrade, the less room I have for error. It will just be something very helpful to monitor.
     

    Road Race Build 3K  10  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    148  3

    2008 Tomberlin Crossfire 150R
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  10. Evolving_sti

    Evolving_sti Proven Member

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    Are you planning on doing anything above basic boltons? Nitros ? Cams? I ran a 50 shot in my RS back in the day. Was blowing valve cover gaskets monthly LOL. But it was untuned and i was running one of those cheap widebands. But again this was back in 98-99. You wont really need a wideband unless your pushing that extra power that's altering your fuel tables. If your just getting one for looks. Then yea maybe a cheapo is ok. I have a 2 gauge pod from autometer if you need one.
     

    574  6

    1999 Mitsubishi Eclipse GST
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  11. BLACK'98DSM

    BLACK'98DSM Proven Member

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    I'm not doing it just for looks LOL. I'm already a bit past the bolt-on stage. Won't be but a year or so until I tear the engine down again, using high compression pistons this time. I'm sure you've seen my build thread, and maybe my DSM profile by now.

    Regardless of what happens, I do need an afr gauge.
     

    Road Race Build 3K  10  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    148  3

    2008 Tomberlin Crossfire 150R
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  12. Dusty Landrum

    Dusty Landrum Supporting VIP

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    I have the auto meter cobalt+ pro and I really like it. BUT with any good wideband it’s not too cheap.
     

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  13. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Yea, doing some pricing and comparisons, it looks like the off brand gauges are only slightly cheaper than the name brand ones. A cheap one from Ebay costs $100 while an AEM one costs $130. I think I will just have to get a name brand one so I can rely on it.
     

    Road Race Build 3K  10  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    148  3

    2008 Tomberlin Crossfire 150R
    rwd · manual · Misc Vehicles

    187  6

    2008 Tomberlin Crossfire (325 swapped)
    rwd · manual · Misc Vehicles
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  14. Mello

    Mello Proven Member

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    FYI - A popular name brand does not mean it can be relied on. I suggest you go to the brand manufacturer's site & look to see if the make a "quality statement" of accuracy. Knowing the accuracy will then aallow you to know how far it can be off "true value" & claim that the gauge is measuring correctly. For example: AEM Bosch LSU 4.2 sensors state Accurate to 0.1 AFR.
     
  15. Evolving_sti

    Evolving_sti Proven Member

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    Aem is always a good choice. No need to do research on that. Always a quality gauge that's accurate.
     

    574  6

    1999 Mitsubishi Eclipse GST
    320 whp · 315 lb/ft · 2G DSM
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