I just went to the site.

My questions:

1) how much?
2) if propane runs dry will engine continue to run as before?
3) They were a little vauge on how much propane is used. They stated that tank size should be 25% of fuel tank size. I would think that is 4:1. If I had to get propane with every tank of fuel it would drive me nuts. And propane isn't cheap. They sited a minimum 30% fuel savings excluding propane. That means you may get a 5% increase of economy. Thats about another 1 or so mpg. It would take a long time for the system to pay for itself. Not forgetting the propane cost. I am assuming this system is not cheap because there were no prices listed (usually the case)
4) I wasn't impressed that the only thing they had under the order online button was some overpriced t-shirts.
5) just what kind of mods. Are they easily reversable?
6) Would this aid in cold weather starting?
7) with propane through the intake would you have to adjust the fuel input so as not to run too rich as there would be less oxygen coming in. if so then if you ran out of propane the engine would not run properly.


I am always open to new ideas. But always like to check them out completely.