5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

What should A/F ratio be at WOT

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Old Apr 4, 2014 | 10:18 PM
  #1  
TravisCadello's Avatar
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What should A/F ratio be at WOT

I idle perfect at 14.8 but WOT it dips down to 11.2 and right before red line shes at 10.2!! Smell fuel pretty bad too.


Is this like way too much fuel or normal? Buddy was telling me i should be round 13.8.


5speed,Fidanza flywheel,custom intake,Custom 2.5in Y pipe, Full 3in exhaust with 2 Resonators,advance timing,Walbro 255lph.


On Nitrous 100shot It stays around 11.3 Right before red line.
Old Apr 4, 2014 | 11:17 PM
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NA probably 13.5:1. 13.8 might be okay too, getting a little towards the lean side.

you're losing quite a bit of power at your current AFR. that is turbo AFR range.
Old Apr 6, 2014 | 01:30 PM
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Damn...I thought the VQ's leaned out with mods?
Old Apr 6, 2014 | 03:02 PM
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Time for some tape tuning.
Old Apr 7, 2014 | 07:04 AM
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VQs tend to run richer w/bolt ons.

Tune to high 12s.
Old Apr 7, 2014 | 11:26 AM
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Ok. Cool thanks guys.
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