NITROUS OXIDE System Designs | Installation| Wet/Dry/Direct Port

going from wet to dry?

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Old 07-17-2010 | 12:53 PM
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only sprayed it 2 times with the 75 but it was going lean so i just fixed my fuel pressure issue.

tommorow i might put in the 100 or 150 on the dyno. im pretty close to runing out of injector so ill see what it can take safely
Old 07-19-2010 | 05:30 AM
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Judging from your dyno #'s , I'd guess you were running to rich. What was your a/f on the dyno?
Old 07-19-2010 | 10:50 AM
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AFR on spray was on the hit it started at 11.6 then tapered down to 11.0 right before redline.
Old 07-19-2010 | 11:52 AM
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Originally Posted by Black'Rado
AFR on spray was on the hit it started at 11.6 then tapered down to 11.0 right before redline.
Tweak it a point leaner and you'll think you pilled it up. 12's hit so much harder than 11's
Old 07-19-2010 | 11:54 AM
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ill have to go by the speed shop one day and get some diff jets.
Old 07-20-2010 | 01:07 PM
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Or change your PE in efilive...
Old 07-20-2010 | 01:10 PM
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Originally Posted by slowec
Or change your PE in efilive...
its easier just to swap a jet than have to change the tune.

ive decided to just skip over the 75 and throw the 100 in since its tuned conservative on just 24* timing. Before i was shootin the 75 on 26* with no problem.

Im sure the 100 will be rich as well.
Old 07-20-2010 | 01:15 PM
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What could be easier than smashing a few buttons. just knock .5 off your commanded pe and see how it does. It will pick it up some and on the same size shot. Do more with less. You do have efilive right?
Old 07-20-2010 | 01:30 PM
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yea i have efi live

so saying now im comanding 0.87 lambda i could just put it at 0.82?
Old 07-20-2010 | 01:47 PM
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Originally Posted by Black'Rado
yea i have efi live

so saying now im commanding 0.87 lambda i could just put it at 0.82?
I deal in A/F ratio, but yeah i change my pe to 11.7 to 1 instead of 12.7 to 1 and spray dry. You could change you commanded whatever is equal to a half a point change. IE 12.5 to 12.0 to 1 . I would not go too lean without logging a wideband, but the gains from running a low 12.XX to 1 over your 11.XX to 1 are gonna leave you smiling.


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