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dan0617 · 07-18-2013, 08:20 PM

No bs. Trust me. Www.yellowbullet.com. Click on the forum link, Search on there. 250 shot and 11's AFR is lean. Nitrous has more oxygen molecules per volume than air. The more of your power that comes from nitrous the lower the AFR needs to be. Up to a 150 shot on big motor you are likely fine, since n/a you could run 12.7:1 but you spray and run 11.5:1. But going up in the 200's you are getting borderline. Lean but a forged motor might survive. Read the plugs and you should see what I mean.

You spray a 300 on 12:1 pump gas and ill bet you have trouble finding any spark plugs that won't melt. Richen up to 10:1 and plugs won't melt and it will make as much, if not more power. 10:1 won't be rich because your wideband is calibrated in air but you are adding a substance that has more oxygen molecules per volume than air.

07-18-2013, 08:20 PM	#81
dan0617 Drives: 2011 Inferno Orange SS Convertible Join Date: Apr 2012 Location: Tyrone, PA Posts: 640 View My Garage	No bs. Trust me. Www.yellowbullet.com. Click on the forum link, Search on there. 250 shot and 11's AFR is lean. Nitrous has more oxygen molecules per volume than air. The more of your power that comes from nitrous the lower the AFR needs to be. Up to a 150 shot on big motor you are likely fine, since n/a you could run 12.7:1 but you spray and run 11.5:1. But going up in the 200's you are getting borderline. Lean but a forged motor might survive. Read the plugs and you should see what I mean. You spray a 300 on 12:1 pump gas and ill bet you have trouble finding any spark plugs that won't melt. Richen up to 10:1 and plugs won't melt and it will make as much, if not more power. 10:1 won't be rich because your wideband is calibrated in air but you are adding a substance that has more oxygen molecules per volume than air. __________________ 2011 SS IOM Vert. ECS Vortech 13+ psi, Water/Meth, ID850’s, ZL1 pump with MSD Voltage Booster, 2800 stall, LT headers, Drag radials, Drag alignment, Cradle Bushings. A million other supporting mods. Tuned by Ted.