A/f Gauge

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Jan 15, 2003 | 04:25 PM

RX7CMS

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Senior Member

Joined: Dec 2001

Posts: 285

I just installed a A/F gauge in my friends 91 N/A, I think its running at 14.7 The only thing he has done to it is a big K&N filter. Is that good?

Jan 15, 2003 | 04:30 PM

1Revvin7

Senior Member

Joined: Oct 2001

Posts: 10,906

From: Peoria, AZ

is that under full throttle? Thats stoich, s/b that at cruise/idle. I've always been under the impression that those are unaccurate, if they were why would be use wideband o2s?

Jan 15, 2003 | 04:40 PM

RX7CMS

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Joined: Dec 2001

Posts: 285

thats under throttle. we also installed a new o2 sensor when we did it

Jan 15, 2003 | 05:28 PM

cymfc3s

Senior Member

Joined: Jan 2002

Posts: 1,145

From: San Jose, CA

it might be off just a skosh. Those tend to not be the most accurate things in the world. Try reading the voltage of the o2 sensor.

Jan 15, 2003 | 06:19 PM

1Revvin7

Senior Member

Joined: Oct 2001

Posts: 10,906

From: Peoria, AZ

hey i can do that on my turbotimer, hehe! wonder how accurate that is, the function is a/f ratio, I will compare it against the dyno's wideband. Sometime in the future