gdrumm

Okay okay i know a/f gauge's suck ***....but still they are something to go off of for the most part.. I have a h22a4 which i have recently boosted and am running uberdata..

When boosting at 6psi the meter reads full stoich/first bar of rich....


When crusing on highway it reads straight up like 50%-70% stoich.....


Is that okay...or should i be reading like 30-50% rich when at 6psi.....i was thinkn these readings are a little lean...but wiht standalone maybe its okay.....i wish i could tell...

Dr.Boost

Don't even look at the gauge unless you are at WOT. That's the only way it will give anything close to an accurate reading.
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gdrumm

okay at WOT its at the last bar on stoich or first bar on rich.......thats still a little to lean correct?

Dr.Boost

I would say so, but you never know what's really going on with that gauge. I wouldn't feel safe at that reading.
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gdrumm

yea i was going ot shoot for mid-rich at WOT.....until i get a AEM ugo wideband setup

hackish

Narrowband O2 sensors are not accurate enough to be trusted. You'd probably do just as well to have a mirror so you could see the colour of your header/turbo. Maybe you could get an EGT installed and use that to tune.

-Michael

atLdohc

has anybody tried one of these?
http://www.speedshop.org/store/scrip...p?idproduct=15

Dr.Boost

If your still using the narrow band 02 it won't do anything different than the Autometer A/F gauge.
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superpilun

if you don't care too much about squeezing that last bit of power, just make sure you're rich and not pinging and you'll be fine.