what should my wideband read

[MyOrangeSS]

I just installed a vortech V3 si supercharger on my SS, the car hasnt been tuned yet but Im just wondering how far off the fuel/air ratio is (I dont plan on driving the car except on to the trailer to get tuned)

[B.Buster]

I use 11.4 under boost

[MyOrangeSS]

Originally Posted by B.Buster

I use 11.4 under boost

how much boost, Im running 7 lbs

[B.Buster]

at 7#s I would run 11.4 for a safe tune.

[GQ4Life]

Originally Posted by MyOrangeSS

I just installed a vortech V3 si supercharger on my SS, the car hasnt been tuned yet but Im just wondering how far off the fuel/air ratio is (I dont plan on driving the car except on to the trailer to get tuned)

Being its not tuned..
make sure under 11.8 at WOT. Over 10.0 be good too at WOT too much fuel can washed the sidewalls..
I would really get it tuned or atleast put it on dyno to make sure everything is good safe and you are getting no knock

[BullF-16]

i running a procharger D1 and about 7-8 lbs boost and just looked at my dyno run and my tune is set for about 11.6 WOT

[GQ4Life]

Originally Posted by BullF-16

i running a procharger D1 and about 7-8 lbs boost and just looked at my dyno run and my tune is set for about 11.6 WOT

thru the whole power band? Nice..
I use to like 11.8 through whole power band best power but right now I got me a safe tune from Ted.

If he got 10.5 to 11.5 thru the power band he should be fine as long as it is not running too much timing and getting knock.
Even if on budget they got cheap OBD2 bluetooth dongles and Apps for Android and iPhone u can use to monitor car sensors including knock. Never tried yet so cant say how good it is

[SRT10KLLR]

Don't be alarmed if you see it in the 14-16 range off boost when driving around town.

[GQ4Life]

Originally Posted by SRT10KLLR

Don't be alarmed if you see it in the 14-16 range off boost when driving around town.

On that note 21 when getting off gas.

[SRT10KLLR]

Originally Posted by GQ4Life

On that note 21 when getting off gas.

Yes, when letting off the gas DFCO kicks in since there is no load on the engine.

[MikeOD]

Originally Posted by GQ4Life

On that note 21 when getting off gas.

HAHA...an NGK AFX will actually say "AIR" when in DFCO.

When NA you'd want to see 12.5-12.8, by 7 PSI...I'd also recommend something in the 11.4-11.8 range (might not need to be that rich, but play it safe if you're not constantly monitoring and playing with the tune)...there's no need to have it command that AFR before the boost is built though...is it building progressively as the engine revs? If it is...when it's tuned, your tuner will hopefully setup your PE table to add fuel to the mixture as boost comes in...which will actually make more power across the board...too much fuel when the engine doesn't need it makes combustion less efficient.

[GQ4Life]

Originally Posted by MikeOD

HAHA...an NGK AFX will actually say "AIR" when in DFCO.

When NA you'd want to see 12.5-12.8, by 7 PSI...I'd also recommend something in the 11.4-11.8 range (might not need to be that rich, but play it safe if you're not constantly monitoring and playing with the tune)...there's no need to have it command that AFR before the boost is built though...is it building progressively as the engine revs? If it is...when it's tuned, your tuner will hopefully setup your PE table to add fuel to the mixture as boost comes in...which will actually make more power across the board...too much fuel when the engine doesn't need it makes combustion less efficient.

This is why tunes are great.. Plus tuning with a ZR1 MAP helps with tuning as boost goes up..

[MikeOD]

Which Vortech are you running on your car?

[MyOrangeSS]

also my AC isnt working, when I press the AC button the compressor doesn't kick in, any ideas? I worked fine before I did the SC, do you think its a electrical connection that I forgot to re do or a vacuum issue?