Methanol injectors..

[Mazda Ebrahimi]

Robert Harris wrote:
> 
> Have you considered liquid propane injection?  Think about
> it.  112 octane - significantly higher than methanol - won't detonate when
> injected into diesel engine inlets - readily available and very easy to
> work with.  Very good anti-backfire as a lean mixture tends not to ignite
> easily.  All air flow dynamics are for a dry gas as it boils at -44f.  What
> this means is the stuff can go into the inlet of your turbo and stay a
> consistent mixture even thru the bends of your aftercooler. Less latent
> heat of evaporation - more than made up by higher octane rating.  Look at
> the 3 or more stage NOS spray bars (NOS side) to get a clue on how to set
> it up.
> 
> No pump needed - positive tank pressure at any temp above minus fortyfour
> (-44f) up.  Using a 4 2 1 flow relationship gives you seven steps of
> control.   Measure tank pressure and you can calculate
> flow thru fixed orifices and adjust mixture when on bottle accordingly.
> 
> Then go wacko.  Add a regulator so you can get low pressure dry vapor.  Use
> a couple of cheap solenoid valves and different flow orifices.  A small
> amount of bleed propane at idle and above really cleans up the combustion
> and reduces the raw gasoline dilution of the engine oil significantly.  Mid
> range (pre boost) step of vapor can greatly reduce risk of mid range
> detonation.  If you want to run Bi-Fuel all the time, you can make the
> engine idle on propane and eliminate all cold engine gasoline starting
> enrichment as any thing over boiling and the fuel is 100 percent vapor.
> All this and greatly improved engine life to boot.
> 

The system described above is essentially commercially available from GFI Control 
Systems, Inc.