difference in air/fuel gauges

[srxguy]

Hi guys, I am a new owner of a 03 rx1 with a cpr turbo, I want to install a air/fuel gauge but I am not sure about which one to go with. What is the difference between wideband and narrow band?..I been told to go with the wideband. How can you tell the difference between the two?..I was looking in summitracing but it does not say if they are wideband or not. Thanks again for a great website..I used to have a 02 srx so this is all new to me. Thanks for the help guys!......

 

[givemeaboost]

From what I've seen the price is generally around $100 or less for a narrow band and $300- $400 for a wide band so if the one you're looking at is fairly cheap it's probably like mine, Ken.

 

[4strokes are better than2]

the prob with the narrow band is they are cheap for a reason they can give you a idea of your jetting but thats it & thats why they are cheap. a wide band tells you exatly what you are jetted at 11,12,13.14 & it dont take much to be a problem down the road

 

[woodsrider]

From my understanding the advantage to the wideband is you can read your A/F at all the throttle settings, whereas the narrow band is only good for WOT. If all you are concerned with is WOT then a narow band will work. If you can afford it go with the wideband. Innovate makes a good one for around $400.

 

[monker]

I've had both. All the narrow band is good for is colors and cool lights. I had plenty of cases of false readings too. The wide band costs more, but well worth it. It made jetting extremely easy.

 

[srxguy]

ok, so all the ones I been looking at must not be wideband.

 

[Bossman]

Call Ulmer Racing and they can set you up with an Innovative A/F gauge for around $400 and you will be extremely happy. It is well worth the money.

 

[ROCKERDAN]

do you need this sensor if you have an EFI apex and can get the setup from another guys sled?...i assume this allows you to dial in the fuel system...this seems to be the most costly addon to the SC i want to get....what exactly is mandatory do you think when adding a SC to apex?

thanks
dan

 

[Bossman]

In my opinion it is a must. Every sled runs a little different in different conditions and different areas. For the $400 you are spending on the gauge it is helping you protect the motor which is the real expensive part to replace. Your already spending $16,000 - $17,000 so whats another $400 at that point.

 

[ROCKERDAN]

yeah i guess i agree there..so this will help save the motor?..i assumed it was more for dialing in best performance and fuel economy,rather then actually saving the motor..

i thought the only thing to save the motor would be the knock sensor,as the knock is what will kill motor..

can you explain more?..thanks
dan

 

[monker]

i assumed it was more for dialing in best performance and fuel economy

This is the case if you are rich. Fuel economy will suffer along with performance.

rather then actually saving the motor.

This is the case if you are lean.

With the wide band you can where your jetting is, and how much you need to change it in either direction.

 

[BlueMax]

do you need this sensor if you have an EFI apex and can get the setup from another guys sled?...i assume this allows you to dial in the fuel system...this seems to be the most costly addon to the SC i want to get....what exactly is mandatory do you think when adding a SC to apex?

thanks
dan

Yes you need the sensor. The wide band oxygen monitoring system is a must and will be used for adjusting fuel/air ratios while setting up the forced induction installation. The bigger question is what are you going to use to adjust the fuel properly. The currently available fuel controllers are just addons that intecept signals from the Electronic Control Module to the fuel injectors. A controller is needed that also monitors throttle position and boost pressure and uses these additional parameters to adjust fuel/air ratio. The boost pressure is not as important on a SC system because the boost can be predicted. It would also be nice to be able to adjust ignition timing for RPM, boost and throttle position. Dynojet has systems for motorcycles that do this.

 

[MattZx6]

wait till Jeff Simon's realeses his new fuel system

 

[BlueMax]

wait till Jeff Simon's realeses his new fuel system

The key word is wait.

 

[srxguy]

Well thanks for the input guys, looks like I will be saving my pennies for the wideband....