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Originally Posted by hotrod
I think you need to throw out that math and start over your numbers are WAY out of the ball park!
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then I have 13,200,000cc per minute of fuel
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That is 13,200 kilograms of water or about 29,040 lbs of fuel ---- I don't think so 
At max rpm, WOT the injectors are nearly running continuously. Forget how many times the engine fires, ( a 4 cycle engine only fires each cylinder once every 2 revs anyway ).
You will find that the WI nozzle is probably rated in gallons / HOUR
For a gallon/hr nozzle just multiply the gal/hr by 63 and you have cc/min flow. In your case your spray nozzle flows about 246 cc/min
Your fuel injectors flow 550cc/min MAXIMUM at 100% duty cycle. So the max fuel you can flow under any conditions is 2200 cc/min. If you car runs a max injector duty cycle of 85% ( that's typical max on a factory set up) your max fuel flow is 2200 x .85 = 1870 cc/min. 15% of that is 280.5 cc/min.
Your 3.9 gal/hr nozzle will give you about 13% water to fuel at max fuel injector duty cycle and the WI spray wide open.
Larry |
thanks for helpin me there! The math really helps...however I am pretty modded, and so I definately run 90-95% duty cycle. question though... why do you just neglect the rpm?