Originally Posted by
Stratous
I dont use a check valve on my cummins, and I think one bubbler would be just fine. A bubbler is more than a safety device, its also a filter and a resivour. The bubbler will stop the liquid from the generator from migrating to the engine. I have my bubbler mounted in the place where the fog lamps would be in the bumber. I dont know how I feel about the thin design, but I do know that unless you can get 1.5LPM out of the design you have w/o it overheating, then your not going to get much benefit. The 5.9L needs more HHO than a little 2.5L motor.