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air fuel ratio

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air fuel ratio

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Jul 9, 2003 | 03:54 PM

#1

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From: MS.

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air fuel ratio

Is 14.6:1 afr lean or rich? and how bad is this for my engine (this is at idle)? one more ? I found I have 18.5* adv at idle can this be raised? it is all stock except for '02 ls6 cam whisper lid magnaflow catback a cutout and 3500 stall 2.6 str torque converter.

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Jul 9, 2003 | 04:36 PM

#2

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From: Northern Utah

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Re: air fuel ratio

That's not lean or rich, that's "stoich." This is what you want for part throttle operation.

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Jul 9, 2003 | 06:24 PM

#3

Launching!

Joined: Aug 2002

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From: Sherwood, AR

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Re: air fuel ratio

Yep, that stoich (actually 14.7 is). As for as timing at idle, yeah, it can be raised, but why would you want to?

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