[Diy_efi] Low pressure propane injection with gasoline injectors.

[Justin Albury]

many years ago i had a go at this and ended up with frozen injectors.  I 
kept on going and found that i needed a regulated rail pressure of 
around 18psi of vapor ( this was in a v6 non turbo). back then i was 
working in our family workshop out in the sticks in a town with a 
population of around 1000 people so i didnt have access to many non 
standard parts, i used a air reg from the workshop as a gas vapor geg 
and found i had to feed both ends of the rail.  it almost worked but 
just keept freezing injectors.  with you small cc eng and the huge 
injectors around today it would be worth a go..  When i meet up with 
Bill many years ago he mentioned his system that was in development and 
thats where  my playing  with petrol injector ended, as well as i bought 
a house in the small city of goulburn and didnt have all that much time 
to play .....well then my TTV6 evolved and I ended up with a prototype 
system of Bills.  It works very well......hope this is of some help

Justin

John Smith1882 wrote:
> With all this talk about LPG conversions, direct injection, and 
> special parts, it got my gears turning. I've seen huge (1600 cc/min) 
> low impedance gasoline injectors and they were described as "also 
> suitable for  NG/LPG). I assumed an injector that large would be for 
> gaseous injection, is that correct?
>
> I have a turbocharged and MegaSquirt controlled Briggs & Stratton I'm 
> working on, but I don't think 91 octane pump gas will be adequate with 
> the high cylinder head temps and boost. Can I really use LPG with the 
> gasoline injectors? The engine is only 400cc and I have three 
> 30lb/hr(315cc/min) injectors at my disposal.
>
>
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