1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

A/F Guage or Wideband?

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Old 10-26-06 | 01:02 PM
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A/F Guage or Wideband?

Hey guys, I want to setup something to tell my A/F to make sure I am running in the save zone. Now, I am planing not to spend to much on any of the two options from regular A/F to Widebad. Can you guys provide link to A/F guage kit or Wideband Kits that are cheap an, even maybe some ideas to making this cheap for me?

Thanks In Advance!
Old 10-26-06 | 01:45 PM
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Definately get a wideband. A narrowband A/F gauge is virtually useless IMO. I got the AEM gauge type UEGO wideband gauge from Jegs. I can't remember the PN right now, but I'll post it up later. Its about $275. Its the cheapest I found and its actually has a gauge type readout along with a digital display in the center. Very nice.
Old 10-26-06 | 03:22 PM
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i bought myself a wideband. i dont see the use of a guage tho... but then again i got the lm-1 to look at when im tuning
Old 10-26-06 | 04:41 PM
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A/F gauges are a waste of money and dash space. Save the pocket change and get a wideband.
Old 10-26-06 | 09:00 PM
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yea most wide bands are like 200+ so, I think A/F Gauge are better than none. I have no idea of the car is running too rich or to lean. I got a guy tell me in the parking lot the car was running to rich, he was a former Rx7 owner of FBs. So, really I have no idea how the car is running and i need it to last me a long time while I go to school and work. If you guys think is still a waste then let me know. I can not trow in hundregs of dollars on a wideband that really would benifit a Turbo FB owner more than me.
Old 10-26-06 | 09:04 PM
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The A/F gauge is nothing more than a pretty thing. I would not trust a reading from one at all. If you ever watch one in action they are generally irratic and actually kinda hard to read. Don't waste your money. If your seriously concerned about your A/F ratio's, get a dyno session. Costs about the same as a good A/F gauge and gives you accurate readings, plus tells you how much power your engine makes.
Old 10-26-06 | 09:15 PM
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Nothing wrong with an A/F gauge if it's driven from the analog output of a WB like the LC-1. It won't have numeric AFR display, but it will at least show stable readings above and below stoich. Connected to a narrow band sensor it's of little value.
Old 10-26-06 | 11:23 PM
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True renns, but to do that you need a wideband controller and a sensor to go with it. Thats where most of the cost comes from on a Wideband setup I believe. I could be wrong though.
Old 10-26-06 | 11:27 PM
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LM-1 (the one I have)

http://cgi.ebay.com/ebaymotors/Innov...42047005QQrdZ1

Or if datalogging and other features serve no purpose for you consider the: LC-1

http://cgi.ebay.com/ebaymotors/Innov...spagenameZWDVW

Why the hell the LC-1 is more expensive is beyond me, but I know im going to get a XD-16 gauge to run to my LM-1's output. That way you get the best of both worlds, nice easy to see display, datalogging, and the other LM-1 features. Sure its expensive, but its the ultimate tuning tool, so why cheap out?
Old 10-26-06 | 11:40 PM
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Never trust a narrowband A/F reading... After you blow a few engines playing doctor, you'll begin to realize it's worth the initial investment to purchase a wideband for your monitration needs... It allows you to tweak your AFR's without your buttcheeks clenching the seat, in fear of the inevitable pop...
Old 10-27-06 | 12:15 AM
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yea, I understand what you guys are saying however, is way to much money to trow into something like that. I mean, I think my fiancee would leave me if I put that kind of cash into something like that. Who knows I might consider it but is still way to expensive.

Funny because she ask me why I didn't get one before on my old car. The true, didn't had the money and the old car needed very bad because was not passing emission at all. However, this car passes emission, but I feel the carn needs a good tuning and most Dyno session are far from here. Beside that, I have no way to tell if the car is fully tune right so I am a bit scare of having this engine die on me because it was too lean or too rich.

Also what you guys think of that ColorTune 500 on BlackDragon AUtomotive? I know a friend told me he dosen't trust that but what you guys think?
Old 10-27-06 | 12:49 AM
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By the way which one of those is better or are they both the same just one have a Gauge version and the other have a handheld version?

By the way Dan_s_young, how dose that one work. Do you record with the handheld and then load the information to a PC? or do you have to have it connected directly to a laptop?
Old 10-27-06 | 01:13 AM
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That colortune **** is worthless...
Old 10-27-06 | 01:49 AM
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lol, ok well I guess I am left with the Wideband. Which package would be best for me. I think that one that have the LM-1 Meter might be since it records the progress into the hand held right? Then you can load the info into a PC?

By the way 13b4me.... I was wondering, dose that little sensor records all that input from rpm, to throttle and boots? not like I care about boots since I have none.

After watching the LM-1 Video from Innovate I am so close to buying one of this babies.

Last edited by DJAngelicon; 10-27-06 at 02:01 AM.
Old 10-27-06 | 02:02 AM
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I would personally recommend the Innovate LM-1/XD-16 standalone gauge package... No personal experience with it, but it is supposed to be the most user friendly package, and comes at a good price... The O2 sensor doesn't record throttle and RPM... The unit does that...
Old 10-27-06 | 02:20 AM
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how much would this cost
Old 10-27-06 | 02:28 AM
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yea, but more expensive. I think the LM-1 is good for me since I am a computer guy I like everything log in and work with it form there.

The XD-16 seem to be going for $399 and the LM-1 for $349.
Old 10-27-06 | 05:49 AM
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Originally Posted by 85rotarypower
True renns, but to do that you need a wideband controller and a sensor to go with it. Thats where most of the cost comes from on a Wideband setup I believe. I could be wrong though.
Price for WB's has dropped considerably in the last couple years. The LC1 with sensor has a street price of $200.

http://tinyurl.com/yzmtqw

This is without display, typically used by those running standalones who can use the laptop/palm software to display AFR for tuning purposes.
Old 10-27-06 | 01:16 PM
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I still like the LM-1 and love the guage on the XD-16 but I feel like you can log more and do more with the LM-1 unit.

Last edited by DJAngelicon; 10-27-06 at 01:46 PM.
Old 10-27-06 | 02:42 PM
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Unless one needs a wideband afr gauge in the dash full time, the LM-1 is more practical as it can be used on different cars when needed. Make sure you buy extra bungs and plugs.
Old 10-27-06 | 03:06 PM
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I have the LM-1. I have nothing but good things to say about it. I got one off ebay with a RPM kit, so I can datalog the RPM, Boost, EGT, Etc... picked it up for about 325 shipped.

It is so easy to install Innovate even has a fourm that you can post your problems on and other users will help, so that is always a great feature.

I HIGHLY recommend getting the LM-1
Old 10-27-06 | 03:11 PM
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I was also thinking ore like security not to have a nice gauge in my car all the time when is sitting outside. At least not for now, so I think a LM-1 would be nice and then I can always buy the guage when I decide to put more money into it by going turbo.

Cool thanks MattG
Old 10-27-06 | 05:28 PM
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Whats the different from Innovate and PLX Devices? just ondering about their product difference R-500 DIGITAL AIR/FUEL?
Old 10-29-06 | 02:36 PM
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Hey trochoid and MattG, I just order my Brand New LM-1 for $280. I can not wait until it gets here.
Old 10-29-06 | 03:03 PM
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Post a link, I need one too for the TII swap and haven't started shopping yet.


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