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Thread: N2O pressure in a 10lb bottle?

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  1. #1
    Join Date
    Nov 2006
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    Mesquite, TX
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    Quote Originally Posted by TXsilverado View Post
    i usually try and squeeze 12 lbs into my 10lb bottle. freezing the bottle usually helps get it there.
    downfall to this is that first hit is hard to maintain the constant pressure....you will have it at 1200psi cool and by the end of the run its at 900 and cold...now you have to spend 10-15 min heating the bottle back up...if you just start out at 10lbs then your pressure drop wont be as severe and youll have a better pass and no lean to fat problem through the run
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  2. #2
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
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    Quote Originally Posted by mean05 View Post
    downfall to this is that first hit is hard to maintain the constant pressure....you will have it at 1200psi cool and by the end of the run its at 900 and cold...now you have to spend 10-15 min heating the bottle back up...if you just start out at 10lbs then your pressure drop wont be as severe and youll have a better pass and no lean to fat problem through the run
    i never have a problem...running 7.50 index i can hit around 7.50 to 7.55 every pass on a fresh bottle to an empty bottle. maybe the pressure drop would be more noticeable on the full 1/4.

    i also never see 1200 PSI when the bottle is cool. usually sits right around 900ish without ever touching it with heat. it will get to 1,200 when pumping in the nitrous though.

    hit the bottle with a torch if you dont want to buy a heater. i keep my pressure sensor set between 950 and 1050.
    Last edited by TXsilverado; 03-19-2010 at 03:21 PM.

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