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-   -   Chevy 454 FI propane add on system (http://www.hotrodders.com/forum/chevy-454-fi-propane-add-system-202169.html)

vtflatlander1 07-17-2011 07:20 PM

Chevy 454 FI propane add on system
 
I have a 1995 454 CI Fuel Injected engine in my motorhome. I am looking for a propane add-on system so I can have the option of running gas or propane. I had one in a 454 carbed engine that worked great. Anyone know of a kit or parts I would need. I would like to do the work myself. All help and information very well appreciated
Thanks
Fred

richard stewart 3rd 07-19-2011 03:33 PM

Hi Fred :welcome:
Welcome to Hotrodders.com Glad to have you with us.

In order to use the propane, it would be easier & cheaper to change the TPI to a carburetor & use it that way. To use it with the TPI you would have to alter the computer to turn the fuel pump off & reset the timing. Also you'd either have to have the propane at a high pressure, or cold enough to keep it liquid, as the injectors can't meter vapor.
Rich

vtflatlander1 07-19-2011 06:57 PM

propane add on
 
Thanks Rich I will keep that in mind. If I go to carb I would still have to disconnect fuel pump or change computer correct. Regular or electric low pressure fuel pump would be needed for the carb to run properly. If I did go to a carb what would the set=up be for the propane parts
Thanks
Fred

richard stewart 3rd 07-20-2011 12:09 AM

Click the link & give them a call.
Rich

http://www.impco.ws/IMPCO-catalogs.asp

cleanspeed1 07-20-2011 12:12 AM

Give Technocarb a call also. They do the the direct port injection systems.


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