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Originally Posted by xkalelx
Trying to explain numbers and physics to some people... Sheesh
By definition, Nitrous CAN NOT be FI. You are not compressing the cylinders with NO2. There may be 1000psi at the bottle but you are relieving that pressure into an open air stream that gets drawn into the cylinder at effectively 0psi. You would need a turbocharger or supercharger to COMPRESS the cylinder volume. The argument of effective pressure and chemical reactions has no part in this equation.
Strap a leaf blower on your throttle body, its got to build boost right? Wrong. It may flow 300cfm, but its not compressing air in the cylinders. Youll never see 1psi by doing so.
Here is a real world test to confirm this "theory" into fact. Install an analog vacuum/boost gauge on your nitrous equipped car. You will see tons of fluctuation in vacuum from 20-0in/hg but you will never build positive pressure on the boost side of the gauge.
As for the 300hp NA motor, where is Chris? @ celek Heres a link to build that he currently working on. Its quite impressive. http://www.ft86club.com/forums/showthread.php?t=63901
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I read the first page of this thread this morning then closed my browser, I do not feel like arguing today.
As for NOS the point of it is a more oxygen enriched environment using N2O and cleaner Oxygen with more fuel makes more power. In a perfect world pure oxygen could be used and make tons of power but also explode. verses the air in our atmosphere which contains the following compounds that make less power under combustion.
Nitrogen -- N2 -- 78.084%
Oxygen -- O2 -- 20.9476%
Argon -- Ar -- 0.934%
Carbon Dioxide -- CO2 -- 0.0314%
Neon -- Ne -- 0.001818%
Methane -- CH4 -- 0.0002%
Helium -- He -- 0.000524%
Krypton -- Kr -- 0.000114%
Hydrogen -- H2 -- 0.00005%
Xenon -- Xe -- 0.0000087%
Ozone -- O3 -- 0.000007%
Nitrogen Dioxide -- NO2 -- 0.000002%
Iodine -- I2 -- 0.000001%
Carbon Monoxide -- CO -- trace
Ammonia -- NH3 -- trace
With N2O you have pure Nitrogen and Oxygen in a stable form so 33.3333333333% oxygen vs 20% in our atmosphere resulting in needing more fuel for combustion making more power