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Thread: FAO Neutron. Increasing your engine power :)

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    Regular Member Chocki's Avatar
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    Default FAO Neutron. Increasing your engine power :)

    Hi Neutron,

    Seems like your always looking for ways to boost the output on your engine.

    Have you considered propane?.

    Do a bit of research on LPG conversions on diesels and you will find that an LPG conversion does not run purely on propane but a mix of diesel and propane, the savings are due to a much reduced quantity of diesel being needed with the propane mix to achieve the same power output, if you don't reduce the metered quantity of diesel, then by adding propane power increases significantly.

    Can Diesel powered vehicles be converted to operate on propane?

    Yes, a diesel engine can be converted to a dual-fuel engine, that is one that operates on both diesel fuel and propane at the same time. A conversion of this type is generally done to increase the power output of the diesel engine, similar to a nitrous injection system on a gasoline engine. Power increases of 25% or more can easily be achieved. Joy Propane Ltd.

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    Regular Member Marty J CDTI's Avatar
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    I think I need to bring my car to your house an let you build a prototype!! lol You should really start patenting your work!!

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    Regular Member Chocki's Avatar
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    There are two ways to do this, one uses the rpm output from the alternator to regulate the gas flow along with either manifold pressure or MAF sensor to vary the gas flow map.
    Obviously this would require someone to research this and test this but with a suitable PIC chip and gas regulator would give the best smoothest and most flexible performance gains.

    The other is rather crude and consists of a regulator and on off solenoid shoving gas into the air box which you activate by pressing a button on the dash etc.

    You adjust the regulator to give you a healthy dose of boost at a certain rev range and use it like a NOs kit.

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    On a Sabbatical VauxVeteran's Avatar
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    Hank Hill

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    Regular Member Chocki's Avatar
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    Smile

    Hank proudly sells propane and propane accessories as an assistant manager at Strickland Propane.

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    Regular Member nutron's Avatar
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    I have also looked at this but as you say, it means alot of work to do properly. It would also add weight and take up boot space for the tank, doughnut tanks to fit in the spare wheel well are available but then you have no spare wheel.

    If you were going to use propane like NOS then you might as well use NOS because it gives more power/torque and kit are available for reasonable costs.

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    THREAD REVIVAL!

    I kind of tried this once....

    I injected a propane/butane mix into the airbox of my cdti150. this was a very bad idea. it worked a charm for about 6 seconds, raising the revs and making the engine pur like nicely tuned japanese petrol engine before the gas lit up on the hot turbo veins and sent blastback out of the air intake pipe...

    the complicated ecu/maf stuff would be a much better option! I was considering modifying an inlet manifold to have 4 propane inlet pipes opening up right next to the inlet valves, with electronic taps to turn them on and off connected to the diesel injector wiring. this would theoretically turn on the gas for each cylinder on the 'suck' phase and then turn the gas off again when the cyinder stops sucking. the idea was that there wouldn't be any gas hanging around in the inlet waiting to catch fire/preignite as it would all be sucked into the cylinder... in theory you wouldn't have to worry about measuring volumes either as the gas tap would be turned on for the same amount of time every revolution....

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    Regular Member byebyeitsagsi's Avatar
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    Theres a VW van centre in scotland thats does LPG conversions on there diesel engines as an option. Just as reliable as the traditional petrol conversion.

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