Wideband air fuel ratio gauge question
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Old May 28th, 2007, 11:29 PM   #1
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Wideband air fuel ratio gauge question


what is the safe range when tuning with a wide band air fuel ratio gauge. I would like it to make good power but i also wanna play it safe. Thanks
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Old May 29th, 2007, 02:17 AM   #2
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I am gonna probably ask a dumb question here, but you did get wide band o2 sensors right? Anyways, Stoichometric Ratio is 14.7:1, that is what the manufacturer sets your ratio at for catalytic converter longevity. A little leaner, you get better fuel economy with a chance of detonation. A little richer you get better performance. Even richer if you have a turbo or supercharger. Generally, mid 13:1 to mid 14:1 is good.
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Old May 29th, 2007, 08:18 AM   #3
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Poweradder or N/A?
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Old May 29th, 2007, 07:38 PM   #4
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Wideband air fuel ratio gauge question


yeah i think im going to order the single sensor version of the fast gauge from what ive read it has alot of cool features and the price is right there with every other one. you guys thing that would be a good choice? right now its n/a but soon to be blown.
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Old May 29th, 2007, 07:41 PM   #5
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I use a Innovative XD-16 with the LC-1...Its the best wideband I have seen out there...
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Old May 29th, 2007, 08:08 PM   #6
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Wideband air fuel ratio gauge question


So get it in the middle of 13:1 to 14:1. Now you wanna get this number at w.o.t but what should it read at idle. I just dont wanna hurt the motor.
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Old May 29th, 2007, 08:16 PM   #7
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13.3ish at WOT

14.1-14.3 at idle and normal conditions.
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Old May 29th, 2007, 08:33 PM   #8
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Originally Posted by HMUSN
13.3ish at WOT

14.1-14.3 at idle and normal conditions.
Thats risky with a Forced Induction engine...Mine is like 12.5 at WOT...I like em safe...
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Old May 29th, 2007, 08:58 PM   #9
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Wideband air fuel ratio gauge question


yeah i want to play it completely safe. I want it to run good but on the safer side
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Old May 29th, 2007, 09:01 PM   #10
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Originally Posted by ChrisJ
Originally Posted by HMUSN
13.3ish at WOT

14.1-14.3 at idle and normal conditions.
Thats risky with a Forced Induction engine...Mine is like 12.5 at WOT...I like em safe...
he said he was NA for now.



you know I know my tuning :wink
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Old May 30th, 2007, 08:08 AM   #11
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I just knew he said he is soon to be bown so I jsut wanted to let him know that the A/F for N/A and F/I are two totally different deals...
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Old May 30th, 2007, 08:55 AM   #12
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yup. your def. right.


listen to the cat guy for f/i tuning.

stick with me for the n/a tuning.
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