Does this really work? How?

 

what are you getting at useing propane to charge the intake trackt using it kinda like nitrous yea it works on diesel truck and i asume cars gasoline ive never realy seen it before

 

I had a friend use it before. I believe the octane rating of propane is 110. It worked to run high boost without race gas. I don't recall what the long term results were as I believe he pulled it after trying it out. IMO, water injection is a much safer alternative to be driving around with in your car.