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AF Setup, Ideal settings

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4Motion4g63

15+ Year Contributor
257
0
Feb 27, 2005
Lawton, Oklahoma
Well I have had my MAF installed for a few weeks and understand a little bit about it now to really dial it in....

Just need to know IDEAL A/F for :
Idle:
Part Throttle:
WOT:

My current is * after its warm*
Idle: 15. - 14 ish it bounces up and down but stays within
Part Throttle:12.-14 Really hard to watch this and get a solid reading...
WOT: 11-mid 11.ish Had to lean out quite a bit It was Rich to the point it bogged and pulled timing.

I have a PLX DM100 LCD/PLX Wideband fuel display and its in graphical mode.
I do see sudden "spikes/Dips" in the readings they may go from 15 to 10:0 back to 15 in a quick blip on the graph....this normal?
 
Your idle is good. You want your cruise to be about the same. Idle and cruise should bounce around 14.7:1.

WOT I shoot for about 11.0:1.
 
I am Not sure if my Idle is good though It does Change up and down when its cold....
It was at 11.0 this morning when i started it and seems on the high side of 15 when it settles to normal...
 
Mine idles after warm at 15.-16

Cruise in vac is 13.5-14.5 I would like to lean this out to 15.5ish

cruise at less than 5 psi 12.5 I think this should be around 13.7 to 14.7

WOT 9 psi 11.8 to 12.5

WOT 24 PSI because I messed up the boost control on the aem 10.5
 
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