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nitrous and propane

This is a discussion on nitrous and propane within the Nitrous forums, part of the LSx Technical Help Section category; I'm interested in running propane as a secondary fuel source for the nitrous.I have been on BTR's website and I ...

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    Junior Member jakesz28's Avatar
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    nitrous and propane

    I'm interested in running propane as a secondary fuel source for the nitrous.I have been on BTR's website and I would like to upgrade my new nitrous kit to this style of a setup. Can anyone out running this type of setup help me out? Any information would help. I already know propane is between 104 to 110 octane. This style setup is spraying the propane as a liquid but what type of tank do I need? Is the fuel solinoid rated to haddle the 190PSI of the propane tank? How will I have to jet it? I bought a single nozzle dyno tune wet nitrous kit which I plan to use for this setup.

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    Senior Member mrr23's Avatar
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    i have looked into it. some guys use a propane tank off their grill. if you don't like the ugliness of it, some nitrous places sell a nitrous bottle with a propane valve on it. i'll have to check on the fuel solenoid issue.

    as far as jetting goes, i do remember it being way less than fuel jetting. i don't know of a chart out there, so it'll be a trial thing.

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    Senior Member mrr23's Avatar
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    ok, just off the phone with my guy in the know. you use the same fuel solenoid for the propane. most fuel solenoids are good up to 250 psi.

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    Senior Member ss~zoso~ss's Avatar
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    i didnt know you could run propane on gasoline cars, now that i think about it i dont see why not, just i've never heard of people doing it

    does it give as big of a gain as nitrous

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    Senior Member mrr23's Avatar
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    you still use nitrous. the propane is replacing the fuel.

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    Junior Member jakesz28's Avatar
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    Thanx for checking on the fuel solenoid. If they are using a propane tank like what is on a grill are they mounting it upside down so that they can spray it as a liquid? If used as a liquid like nitrous you would also be gaining from the cooling process when it is released to a gas(at the nozzle) which will be helping to cool the air entering the cylinders.

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    Senior Member mrr23's Avatar
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    the viper guy i saw using a grill tank had it upright. the person i consult with wants it to be liquid all the way.

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    I've actualy played around quite a bit with nitrous and propane. You can run it as either a liquid or a gas, if you do it as a gas you need to run a larger jet than if it were liquid. One of the main problems I kept running into was that because both the nitrous and the propane take up so much room in the manifold it seems to hit a wall sooner then it would with gasoline. I have some notes that might help you if send me a pm with your email I will send you what I have from the testing I did.

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    Junior Member jakesz28's Avatar
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    Well I think I have what I needed so I'll start getting the peices together new line tank fittings and some extra jets. I plan on trying a two stage setup. Thanks for the help.

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    We'll be back... GatorSS's Avatar
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    LPG works great

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    Junior Member jakesz28's Avatar
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    Ran 12.51 @ 110mph still have to lean it out

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    Senior Member mrr23's Avatar
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    good job. make sure to add yourself to the ET listing in both the drag racing section and nitrous section.

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    I'm out there so hide!!!! D!ck's Avatar
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    Quote Originally Posted by ss~zoso~ss View Post
    i didnt know you could run propane on gasoline cars, now that i think about it i dont see why not, just i've never heard of people doing it

    does it give as big of a gain as nitrous
    grandpa's 454 pickup runs propane. its cheaper, and gets better mileage. for towing a 35' double pop out. it pulled many a fords trailer over pikes peak. pussy ass fords, built to tow, cant tow shit. "hey chevyguy can you tow my trailer, my ford huffed and puffed and pulled its groin."

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    We'll be back... GatorSS's Avatar
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    Quote Originally Posted by jakesz28 View Post
    Thanx for checking on the fuel solenoid. If they are using a propane tank like what is on a grill are they mounting it upside down so that they can spray it as a liquid? If used as a liquid like nitrous you would also be gaining from the cooling process when it is released to a gas(at the nozzle) which will be helping to cool the air entering the cylinders.
    You should use a liquid draw tank, such as those used on forklifts and rock crawlers.

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    Junior Member jakesz28's Avatar
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    Quote Originally Posted by GatorSS View Post
    You should use a liquid draw tank, such as those used on forklifts and rock crawlers.
    If you want to use a smaller tank you can use the old style valve without the opd then invert the tank so that you get liquid. I think I will use a 5lb nitrous bottle and freeze it to help transfer the propane from a larger forklift tank.
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