Where is the ideal wideband location on a turbo setup? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 9 Old 04-03-2003, 06:15 PM Thread Starter
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Where is the ideal wideband location on a turbo setup?

I'm in the process of building the turbo system for my 96 Camaro.

I need to know the ideal location for the wideband o2 for the FAST system.

I noticed that Turbo Buicks put the o2 in the collector right before the turbo.

Is this the correct location?

Thanks!


96SS- Single turbo. 645rwhp 700rwtq and still tuning....
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post #2 of 9 Old 04-03-2003, 07:33 PM
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Keeping the wideband before the turbo will help it stay up to temp while doing your part throttle work. I have mine in the crossover pipe. For WOT work, location is really not as critical as long as it's relatively close to the engine.


~Greg
Calibrated Success, Inc. EFI Training, Tuning, Consulting
Engine Management: Advanced Tuning
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post #3 of 9 Old 04-03-2003, 07:35 PM Thread Starter
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That makes sense.

The heat generated at the pre-turbo location isn't high enough to damage the wideband at WOT?

If not, than that sounds like the ideal location.

96SS- Single turbo. 645rwhp 700rwtq and still tuning....
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post #4 of 9 Old 04-03-2003, 10:31 PM
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02 sensor is suppose to be 6inches from the turbo outlet meaning in the downpipe fast does not recommend putting it preturbo because of high temps

do a search on turbobuick.com u will see all the post on it
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post #5 of 9 Old 04-04-2003, 03:43 PM
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post #6 of 9 Old 04-05-2003, 01:39 AM Thread Starter
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Thumbs up

Thanks guys, that's just the info I was looking for.

96SS- Single turbo. 645rwhp 700rwtq and still tuning....
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post #7 of 9 Old 04-05-2003, 06:03 PM
 
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Just a FYI, if you install a WB in a pre turbo location where the pressure is not going to be near ambient, the readings will be off, and it could be alot off. If you do this, you need a WB system with pressure compensation.
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post #8 of 9 Old 04-05-2003, 11:29 PM
 
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Quote:
Originally posted by Got Incon?
Just a FYI, if you install a WB in a pre turbo location where the pressure is not going to be near ambient, the readings will be off,
Can you elaborate some more on this? I got my WB in the crossover pipe. So far so good. But what kinda info you got?, I needs to know .
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post #9 of 9 Old 04-07-2003, 07:01 PM
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Lightbulb

Yes, I'd like some more elaboration as well...

I've seen next to zero difference in measured A/F ratio before or after the turbo as long as the HEGO is up to temp and there are no leaks in the system. Mind you, I've tried on only a couple dozen turbo V8's with a meager ECM Lambda Pro setup, datalogging at better than 100Hz into the MD1750 under load.

We're not talking about driving around for three years with the wideband installed for daily driving. But even if we were, the stock HEGO's seem to live just fine and get accurate measurements both before and after the turbine.

~Greg
Calibrated Success, Inc. EFI Training, Tuning, Consulting
Engine Management: Advanced Tuning
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