I need a air / fuel ratio gauge so can set my tuner and see what it's doing what a decent one that ain't 300 bucks just looking to use it temporarily Before and while I adjust and set tuner or later when I do other mods. Are the 135 dollars one on eBay go enough for the little I need it ?

I haven't used the one you were looking at but it does have the Bosch sensor. Aem has been good for me as well as the Innovative units

As long as it uses a wideband sensor it will be alright. The narrowband sensors are just useless flashy light shows

I've used NGK, PLX, AEM, and several different innovate models with good results.

Here is link for it . http://m.ebay.com/itm/APSX-V2-Anti-Glar ... nav=SEARCH

I looked at one and was going to mount it in my side console where the switches are. Was going to weld a bung in my exhaust for it. The gauge was not waterproof (as told by the manufacturer) so I didn't do it. if you fine one that is water proof, let me know.

Will do been looking cause thought bout mounting it on my motor all the time ..

Amazon reviews say it works but the gauge itself is a cheap piece of shit with a cardboard face and no glass over it.


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Got the that one order and came in today mounted gauge on the motor just need to install another bung for the sensor and be ready to go run it .

Y'all ever considered mounting it like this on a tiller handle or even a grab bar? I've used the autometer roll bar mounts before. Quality stuff.

https://m.summitracing.com/search?keywo ... uge+mounts

That's what I used it works out great I was gonna have it Temporary but think with this mount I found I'll just keep it there all the time ..

These are cool tools and very helpful

you might want to consider that the vibration on these engines will probably kill those gauges eventually if mounted right on the motor. why do you need it mounted permanently anyway? these are a tool for tuning and once done you don't need it any longer unless you make a mechanical change on the engine down the road.

Yea don't really need it all the time ..

Climate changes...

Climate, load, any little change in the weather or load will affect it. Carb has no way to self adjust, but realistically are you gonna stop and swap jets out everytime it's a little outta whack?

Actually what the rep told me was that the bezels can be changed to different colors. In doing so, you can unscrew it and change the face of the gauge. He told me that if I was worried about it that much, to run a bead of silicon in there. But I was thinking the same thing, thus mounting it on my side console.

Quit thinking and started doing...if you're not first, what are you? hahaha

I put silicone on mine just because I don't think rain will hurt it that's what I worried bout