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<x-charset iso-8859-1> > > > 2 The car will be duel fuel - should I expect to have a gas regulater to > > keep the fuel at 30 PSI or should I still pass gas through the > > presurising Fuel Pump. Or should I plan a second delivery circuit with a > > cut off valve between them. > Propane fuel does not have much pressure. I work with some propane fork lifts at work. The fuel does have to be warmed to get it to vaporize. Also, at low temeratures, they have problems getting the fuel to to vaporize, at all. > I would think that you would have to put the Propane thru a regulator set > to a much lower pressure than the gasoline regulator is set for, just > because the viscosity of the Propane gas will be less than the liquid > gasoline. This also give you the opportunity to adjust the Propane richness > independent of the gasoline. This should just take a switchover valve and a > second pressure regulator, which shouldn't be too big a deal. You may need > to shut off the gasoline overflow line also. > > > Of cource if I carb the car thinks will be easy but there arnt too many > > FI cars in the UK and I would like to keep mine as an original example. > > I would think that trying to run a carb on propane wouldn't be possible. > The float valve won't ever close, so there would be no control of richness, > plus lots of propane spilling out the float bowl vent. > Most propane engines are carberated, but they are not like gasoline carbs. They have no float bowl as such. If you are serious about this project, I would look at some lift trucks to get ideas. Also, you might be able to adapt some of the parts from junked out lift trucks for your project. -- Russ Wolfe '71 Fastback AT '66 Fastback MT (IT DRIVES) russw@classicvw.org http://www.classicvw.org ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe </x-charset>