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Old 07/18/2012, 04:08 PM   #1
gsrjrsc
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Default Cruising AFR

What do your cars read for an AFR while cruising on the interstate around 60-65mph?

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Old 07/18/2012, 07:32 PM   #2
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Default Re: Cruising AFR

Load dependent, but you can be 14's at low load cruising and still be very safe.

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Old 07/18/2012, 07:44 PM   #3
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Default Re: Cruising AFR

mine is norm around 14.5ishhhh


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Old 07/18/2012, 07:52 PM   #4
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Default Re: Cruising AFR

Between 14.2-14.7 is a good range for minimal throttle (pushing the pedal with your big toe) if you're getting into the mid range 15-50% throttle I would recommend between 13.8-14.2 on an N/A setup. Then of course full throttle you want around 13.3


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Old 07/18/2012, 09:46 PM   #5
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Default Re: Cruising AFR

14's cruising 13's 50% throttle 12's WOT is what I would shoot for. Rich is safe!

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Old 07/18/2012, 10:21 PM   #6
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Default Re: Cruising AFR

Quote:
Originally Posted by Tommy View Post
14's cruising 13's 50% throttle 12's WOT is what I would shoot for. Rich is safe!
safer than lean


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Old 07/18/2012, 10:56 PM   #7
H22APWRD94
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Default Re: Cruising AFR

Stock sleeves hate lean under load.

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Old 07/19/2012, 12:31 AM   #8
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Default Re: Cruising AFR

Here's a little chart for you. Shows "cruizing/idling" - Stioch and Max power lean/rich

http://ethanolpro.tripod.com/id213.html


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Old 07/19/2012, 08:44 AM   #9
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Default Re: Cruising AFR

Quote:
Originally Posted by Tommy View Post
14's cruising 13's 50% throttle 12's WOT is what I would shoot for. Rich is safe!
im 11.6 at full boost? but 14.6-14.8 jus cruising an high 12's around half throttle

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Old 07/19/2012, 10:18 AM   #10
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Default Re: Cruising AFR

Im around 14.8 to 15.3 in normal cruising and i want to say around 11 under full boost. Hard to watch the gauge when driving fast haha. Car was tuned in kansas city by revline motorsports

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Old 07/19/2012, 10:58 AM   #11
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Default Re: Cruising AFR

You are in pretty good shape then. What fuel are you running, and what is done to the engine?

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Old 07/19/2012, 12:25 PM   #12
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Default Re: Cruising AFR

91 octane. Im not completley sure the on the whole list as i purchased the car the way it is. Its a stock LS i believe and i know it has been taken apart and had ARP items added. 440cc injectors 18g greddy kit 14psi. Car has had this setup and tune for the last 2.5 years

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Old 07/19/2012, 01:11 PM   #13
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Default Re: Cruising AFR

You sound like you're in good shape, its mainly under load that you really need to concern yourself with your AFR and 11's is a nice safe area to sit at.


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Old 07/20/2012, 12:11 PM   #14
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Default Re: Cruising AFR

Jesse i imagine your a little lean going into boost to help build boost.. mid 11s is where ya wanna be with your setup.. thats all you should care about as your stock ECU controlss the "out of boost" fuel trim.


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