What is the best wideband to measure AFR that integrates with HP Tuners? Our rear O2 sensors have been disabled (no cats) so I'd like to pull them, plug one, and use the other for a wideband to measure air fuel both on NA and nitrous passes. Not really interested in something with a gauge just a kit that will allow me to scan AF into HP Tuners. Which one has the best ease of installation but more importantly will be accurate and allow us to tune?

Thanks.

Scott

 

You're going to get all kinds of opinions on what's the best wideband and a lot them based on no facts. As far as hooking up to HPT they will all hook up about the same. If you buy one of the more popular ones its already loaded into HPT and you can select it vs making a custom PID to log it.
With any wideband and nitrous tuning I recommend reading your plugs and just using the a/f on your wideband as a reference.

 

Agreed. I run the AEM uego , due to its easy install. Monitor wideband + Read plugs = K.I.S.S method. If you need help reading plugs post the pictures up here and plently of guru's will help you out.

 

Thanks. I just realized we have the standard version of HP Tuners and not the pro so we can't utilize a wideband while scanning? Just have to settle for watching the gauge?

The plugs looked good on the dyno; we had the timing mark just on the bend of the strap on the plug. I realize though that real-world racing is different and we'll have to watch it there too.

Scott

 

You can log the wideband through egr or another input with your standard hpt.

 

Plugs are the number one tuning tool for nitrous. As far as widebands go, it doesn't make too much of a difference between the different brands. We are here to help, if you have anymore questions.

-Garrett

 

can I install a wide band 02 in place of my stock one and will my computer work with it ,I have a 02 z28

 

You can but its not just a plug n play swap. I prefer just to get an extra bung welded in and run it separately.

 

that's what I thought I was told I could

 

Plugs show AFR? I'm new to nitrous and trying to take our time, learn, and make horsepower safely. I thought the timing mark showed if you had enough timing pulled. How do you read plugs for AFR? We had the AF correct on the dyno; doesn't that ensure it will be right at the track?

Thanks!

Scott

 

You'll need to cut the threads off the plug in order to see the fuel ring. Its at the base of the porcelain basically making a circle all the way around. It can look anywhere from almost white (really lean) to looks like a black marker (really rich) Reading your plug's will be more accurate than using a wideband for sure. Also depending on what kind of dyno you were on, load bearing for inertia only your a/f and timing could be a good bit off real world.

Here is a old article on plug reading

http://www.dragstuff.com/techarticle...-pictures.html

 

Thanks! That is a good read. I appreciate the help as we continue to learn more about nitrous.

Scott