LPG Injection.

[Chris McKinnon]

I've heard that they self-destruct due to the lack of lubrication provided
by LPG, plus the fact that the fuel rail pressure will need to be at least
300 PSI. I'm looking for a couple of cheap injectors to try though. No luck
yet unfortunately :(

As for valve seats, for LPG hardened valve seats are a MUST. I've been told
LPG is very hard on old, non hardened, valve seats for leaded gas.


Chris

>Sorry I came in late on this one, but what happens if you try to use a 
>'conventional' electronic fuel injector with LPG ?
>
>I know LPG has some things going for it. I had this 76 dodge pickup with a 
>440 that was on propane since almost new (had 140 gallons total capacity!) 
>fuel system always worked good (emco on holley baseplate) only trouble it 
>had was the chrysler ignition system(installed GM HEI module and cured it). 
>At about 350,000 miles or so it suddenly wouldnt hardly run so I tore the 
>engine down. The interior was quite clean and had VERY little sludge, 
>bearings looked good, and the cylinders had almost no ridge and good looking 
>bores.
>
>The problem was that the valve seats finaly CRUMBLED. Some were totaly GONE 
>and most were spider-webbed and falling apart. When the valves were removed 
>most of the seats were removed by hand.
>I've seen valve seats fail in gas engines(petrol for some) but nothing like 
>this, it was downright STRANGE. Ever seen this??
>
>Marvin Fugate (always looking for more power)
>
>

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