frank_ster Posted August 26, 2011 Share Posted August 26, 2011 so as i am in brazil and gas is very expensive. we jsut got a dodge dakota pick up with the 3.9L v6 engine. It came with natural gas kit, ( two tanks in the box and small controler under hood and timming retard thingy ) with the price of gas here its about 150$ to pill up the 80 L tank. yes gas here is about 7-8$ a gallon witch gets about 180-200 km per tank (20% ethanol fuel) to fill the natural gas tanks it cost about 30$ and the truck gets even greater fuel ecomomy about 260-300 km per tank. this is also very common in europe with propane kits it costs about 1/4 to drive your car. so guess what the buckaru is getting next !! the thing is these kits are stupid simple, since natural gas and propane are wide band burn fuels ( will latch on with what ever o2 molecules and burn anyways) they simply put a injector into the air duct before the throttle body. and just turn it on !!. i will use megasquirt and aditional injectors to do this way more precisely. ( bbq propane tank upside down feeding injector(s)) and what ever timming map that is needed. what i am not sure about is the use of propane in high hp, i'm not sure about its piston cooling abilities so some further research will be done. but i plan to run on propane for idle and cruse. i'm sure you guys will insert productive comments below. Now that's thinking out of the boxer! fyi all 05 + legacy's have built in code reader Link to comment Share on other sites More sharing options...
1454 Posted August 26, 2011 Share Posted August 26, 2011 Could you install 1 in each of the intake runners before the regular injectors for greater controllability and tune-ability? Link to comment Share on other sites More sharing options...
frank_ster Posted August 26, 2011 Author Share Posted August 26, 2011 well i have my 12 injector intake that i had on sunbird with the same engine. i was thinking about doing it that way. but aprently it realy doesn't even matter ! but yea two sets of multiport injectors would be the best case, but you should see how crude these thigns are set up and the truck drives great. its a little less power but for the savings and the is a switch so you can go back to gas anytime you like. Now that's thinking out of the boxer! fyi all 05 + legacy's have built in code reader Link to comment Share on other sites More sharing options...
1454 Posted August 26, 2011 Share Posted August 26, 2011 Might be something look into here if prices continue to go up. But your solution does seem like it would be very inexpensive and effective. Link to comment Share on other sites More sharing options...
frank_ster Posted August 26, 2011 Author Share Posted August 26, 2011 it could be as simple as map based pressure regulator and on off valve. you could literally just shove a hose in the airbox and drive around. its what the professional kits are down here. Now that's thinking out of the boxer! fyi all 05 + legacy's have built in code reader Link to comment Share on other sites More sharing options...
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