Originally Posted by velorider4
The smurf blue 40 I brought home this weekend has some kind of auxiliary tank in the back. Not sure if it is a Con Ferr but should be same principal. I am assuming it worked at some point because there is a switch on the dash for the fuel gauge, and the three way valve are there, but the rig doesn't run. You are welcome to take a look if you would like.
Not the best picture.
I'll send you a PM. I may want to stop by and check it out if you dont mind.