Alternative Fuels

Does anyone know the proper method of removing a primer valve from a Vialle d type regulator? My regulator powers a carburated Ford 460. Is the piston in the valve prone to sticking? Also does anyone notice a "groaning sound" when the primer valve opens.

Hi storm not sure about the stepper motor you are referring to but will look into it. Rad coolant levels are fine. Thanks for the comments

Hi all I am new to the forum and am curious if others have encountered a similar problem. I have a 1984 E350 Ford motorhome with a 460 or 7.5 Ltr. with a Vialle D regulator it also runs on reg gas as well. My problem is that on several occasions now while travelling on the highway on propane fuel at...