Quote:
Originally Posted by Qingdao
NOS is just air. Its pure air your engine needs without all the nasty carbon. So when you dump pure nitrogen and oxygen directly into your engine it gives you a boost of available stuff to use to complete combustion. HOWEVER, it does not contain fuel; shooting just air into your engine without fuel is not so good. So most nitrous systems now use a "wet spray" mixing NOS with fuel.
Some people who use nitrous get their fuel from the pressurized fuel system. They just tap into the fuel feed line for the carb/fuel injectors. I didn't want to stress out my fuel system with a sudden drop in pressure so I just made a separate tank/pump to feed the nitrous shot with fuel.
My choice for fuel in the nitrous hit has been solidified to alcohol. My reasons for using pure alcohol fuel is because of alcohols longer shelf life than most of the stuff with ethanol in it. Alcohol also has a higher octane than the gasoline I run in the tank. And (i'm stretching here) alcohol has a higher vaporizion rate over gasoline so .... cools the rotors on the charger better.... Maybe not, but I can wish. 
I can only put the danger to manifolds voice in if I put exploding bolts in my passenger's floor board. I don't think my wife would be keen on that one. |
Thanks for the knowledge! My understanding of nos is based solely on those movies but now I understand!
Your point about alcohol is a valid one. That is one of the fundamental advantanges of WMI, the state changes of the fuel pulls thermal energy out of the intake charge and thus lowers intake temps.
Exploding floor bolts! Hah!
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