Best value AFR gauge?

[Swedish Mike]

Maybe wrong forum but I like to be here.

In your opinion, what AFR meter would you buy? Best "bang for the buck"?Want quality and Bosch sensor but don´t want to pay 100 bucks extra for brand.

I´ve used Innovate LM-1 before and it´s good but I want a smaller for mounting in the dash. Like a small round or square gauge.

/Mike

[capwred]

you can now get the lm-1 in a round gauge.

i have a freind that got that new one from afx i think thats it.he got it off of sparkplugs.comand it works fine.

[Swedish Mike]

you can now get the lm-1 in a round gauge.

i have a freind that got that new one from afx i think thats it.he got it off of sparkplugs.comand it works fine.

Yeah, seen it but never heard if it´s a good piece. I´ll try to find more info.

How about AEM and the other brands?

/Mike

[capwred]

all i have read about the aem is that there not that correct.i have two freinds with them one on a g35 and the other 350z.they like them but both of them was of from the dyno.but that might have been the dyno.

[Swedish Mike]

all i have read about the aem is that there not that correct.i have two freinds with them one on a g35 and the other 350z.they like them but both of them was of from the dyno.but that might have been the dyno.

Damn... I just checked AEM on e-bay, best prices. Also looked at Zeiztronic (sp?) but never heard of it. Dynojet also had a nice on.

/Mike

[c-rad]

I have an AEM wideband. I trust it more than I do the dyno sniffer. Dyno widebands see a lot of use (and many with leaded gas) therefore I don't trust them at all. I got my AEM for $225 shipped off ebay (with my $25 off coupon).

[Swedish Mike]

I have an AEM wideband. I trust it more than I do the dyno sniffer. Dyno widebands see a lot of use (and many with leaded gas) therefore I don't trust them at all. I got my AEM for $225 shipped off ebay (with my $25 off coupon).

Agree about the dyno widebands. I read your post to fast, then I´ll buy the AEM. Do you have any more coupon´s in store?

250 bucks are totally ok for a wideband kit.

/Mike

[GoofyATX240]

Zeiztronic I LOVE that wideband. Friend has one on his Z32, and that's the one I plan on getting next time around. Right now I just have a PLX wideband.

[capwred]

how do you like the plx?i was looking at one of those.and where did yall fine the Zeiztronic at?

[GoofyATX240]

I love the plx its accurate and to the point. It isn't too expensive, but I really want the zietronix one.

Here is the Zie link http://www.zeitronix.com/Products/zt2/zt2.htm

[Swedish Mike]

I love the plx its accurate and to the point. It isn't too expensive, but I really want the zietronix one.

Here is the Zie link http://www.zeitronix.com/Products/zt2/zt2.htm

That´s the most pornish one. Looks really good.

/Mike

Edit: Damn, it got EGT and boost as well. All in one.

[GoofyATX240]

Hell yeh ahah that thing has some nice features pure hardcore p0rn!!!!

[datsunboy]

Yeah I got the Zeitronix too.....its a great unit for reasonable money

[originalsin]

I have an AEM wideband. I trust it more than I do the dyno sniffer. Dyno widebands see a lot of use (and many with leaded gas) therefore I don't trust them at all. I got my AEM for $225 shipped off ebay (with my $25 off coupon).

a good tuner SHOULD change his sensor pretty often. plus the unit they use is most liekly more acurate then the AEM, the aem has been known to read off, plus ur technically not supposed to always run a wideband due to the fact that the sensor wears out much quicker, tho i know i would run one if i had one all the time to monitor af. but yea, from my research the aem has been known to read off

[datsunboy]

the bosch sensor that came with my Zeitronix was quoted to last 160hrs of continous use.

which isnt a great deal of time, so yeah, leave it in for tuning purposes only unless you enjoy buying them

[UMS_CA18DET]

I dont know 160 hours seems kind of bull**** dont forget a lot of cars have Wideband O2 sensors and they are on lifetime. If those WB sensors fail in 160hours than go with a Bosch as those are the ones that are used in Hondas, Volkswagens etc etc.

[Swedish Mike]

I dont know 160 hours seems kind of bull**** dont forget a lot of cars have Wideband O2 sensors and they are on lifetime. If those WB sensors fail in 160hours than go with a Bosch as those are the ones that are used in Hondas, Volkswagens etc etc.

Most of the brands use Bosch sensors and 160 hours is for tuning. The cars normally run VERY rich for a while under tuning and the sensor get clogged (sp?).And besides that, crazy temps that make the life shorter of the sensor.

/Mike

[Rookieca18det]

we are talking 160hrs tuning or is that in all... like just driving here and there running it at the track on the weekends. Assuming thats tunning hours. That zeitronix looks like a pretty good deal and the layout looks very clean and simple.

[c-rad]

I dont know 160 hours seems kind of bull**** dont forget a lot of cars have Wideband O2 sensors and they are on lifetime. If those WB sensors fail in 160hours than go with a Bosch as those are the ones that are used in Hondas, Volkswagens etc etc.

I agree... the HX Civic from the '80s uses a wideband (the one used in the DIY wideband kit) and I highly doubt it had to be replaced that often. And that is a Bosch sensor. Its true that heat will kill it, and thats also why they tell you to install it 36" away from the turbo in a turbocharged car. I put mine in the downpipe right before the flange to the catback.

[biosehnsucht]

I've wanted to put together a DIY wideband and such but then I've heard from multiple places that putting it so far back (and you have to, or you kill the sensor too fast from heat) will make the readings lag and be useless.. but maybe lag is only really a concern if you drive your ECU's feedback loop from it (so its correcting its AFRs with too much lag and bouncing around alot out of sync with reality) ?

how much lag would this really cause ? to me it seems like such a short distance hsould be travelled by the exhaust very fast..

[OguraPowerTuning]

they make a heat-sink wbo2 bung for the bosch sensors. it will make them last a little longer. i think spl parts sells them.

[UMS_CA18DET]

I was lookin at MegasquirtCA's pics and it looks like he's got a sick as AFR display, and its not just AFR, it does coolant, timing, and some other stuff that I couldnt tell, only downside is it seems like it only works with megasquirt.

[float_6969]

OK, so here is the deal with the LM1. I've got one, minus the gauge. My standalone logs the AFR's with the RPMS and for my gauge, I got a cheapie Autometer gauge. I just programmed one of the outputs to the autometer from 0-1V, and the other feeds 0-5V to the SDS.

Yes, it's true that the heat is bad for them. Too get any sort of decent longivity out of the sensor you should keep it at least 3 feet from the turbo. This can, and does with my car, cause problems with the closed loop. It lags at low RPM & Low load (high vac) situations. It will go over rich, and over lean. The remedy is very simple. I installed a Single Pole, Double Throw switch (or a three way switch) and a normal narrowband O2 sensor, right next to the turbo. With my SDS I'm able to switch between reading a narrowband input or a wideband input. All I do is change the setting and then flip the switch. It works VERY well, and I can still log wideband when I want to.

As far as longevity is concerned, I've been driving my car daily for about 9 months now (approx. 10K miles) . The wideband still reads accurately in comparison to my narrowband and I have no problems with it whatsoever.