OP, don't waste your money or energy on the conversion twocents
I had one of my old car hauler one ton trucks converted back in the mid 1970s when the first gas crisis was occurring for the increased fuel storage, 85 gallon tank. It had a 318 industrial poly motor in it and burnt the valves up real quickly puke Major expense on installing harden seat and new valves work that truck got 8.5 MPG on gas and 7.5 MPG on propane shruggy
I later bought a M1500 I.H chassis Class A 26 ft. motorhome that was set up on propane only, it sucked on POWER and MILEAGE down I removed the system, converted it back to gasoline and never looked back and I never regretted it work up

Last edited by Cab_Burge; 10/06/17 06:24 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)