Propane Injectors

RABBITT_Andrew at mv8.orbeng.com.au RABBITT_Andrew at mv8.orbeng.com.au
Wed Sep 11 01:14:57 GMT 1996


>>>> 
>>>> But diesel injection needs around 25,000 psi of fuel pressure, 
>>>
>>>Aaah, I see why "EFI diesels" are only recently appearing. Do they
>>>really use 25000 PSI?? I thought it would only be a few hundred 
>PSI.
>>>
>I questioned this too -- asked a diesel mechanic who said pressure
>was 1700 to 1800 with upper limit of 2700.  Maybe above figure has
>one too many zeroes  (I can tell you I used to work in very high
>pressure area of a chemical plant and the 27000 number is W-A-Y out
>of line!).

Bosch Automotive Handbook (good reference for heaps of general 
questions guys!) say that "the fuel injection pump must supply fuel 
at a pressure of between 350 and 1200 bar" which works out to be 
between about 5100 and 17600 psi. 






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