Propane on Fuel Injected Cars

Clare Snyder clsnyde at ibm.net
Tue Sep 9 12:50:26 GMT 1997


>Greg Wood:
>
>> I'm kind of curious on this also.  Can I use the same
>> ECM and just change to propane injectors??  
>
>Not very likely.  If you simply want to use the gasoline computer in
>your vehicle you will have a lot of trouble making propane injection
>work.  Almost universally, propane is utilized in it's vapour phase.  As
>such, the pulse widths required to inject a stoichiometric amount of
>fuel are considerably longer than gasoline.  
>
>Additionally, there aren't any "propane" injectors avaliable, that I
>know of.  However, natural gas injectors, like those made by Bosch for
>Chrysler do work.  You will need complete access to the ECM though to
>optimize fuel delivery, etc.
>
>Ideally you would like to inject propane as a liquid into the cylinder,
>and gain the effects of charge cooling.  However, liquid phase propane
>injection is a whole different ball of wax, one that even the propane
>industry is reluctant to touch.
>
>> Are their
>> any books written detailing conversions and whats involved?
>> I guess thats basically what i'm lookin for.  A "How to" book
>> that would explain all the pitfalls etc. that are involved in a
>> conversion of this type.
>
>There are books avaliable on converting a vehicle to run on vapour
>propane carburation, however information of propane FI is limited at
>best (scarce to nil might be a better explination).  The propane
>industry is presently lagging behind the gasoline industry by a great
>many years, and as such there is limited information, parts, and
>technical help avaliable for developing propane fuel injection.  
>
>An actual propane conversion is not too difficult.  However, if you want
>to make it a fuel injection system it will complicate the matter.
>
>If you've got more questions, fire away.
>
>
>Neall
>-- 
>**********************************   
>Neall Booth		
>Bi-Phase Technologies			
>Development & Applications Engineer	 
>nbooth at hutchtel.net			 
>**********************************
>
Contact GFI Control Systems
100 Hollinger Cr
Kitchener Ont. Canada
(519)576-4270

They are, I believe, responsible for the Chrysler propane injection system,
and are number one in that field.




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