am at the stage on my barra conversion in my ef that I need to reroute the heater hoses to the appropriate side, the barra is a duel fuel with vapour injection so I have to run extra to hoses from the mixer around the back of the engine and join back to the heater system, my question is should I use solid hoses or are flexible hoses ok to run without getting them damaged? anyone done a LPG barra conversion ?

I reckon flexible (I assume you mean rubber) hoses would be fine, as long as they are heater hose.

Thanks as long as the heat won't damage the piping I'll be happy

Keep 'em off the engine so the don't rub, and you should be fine for 10 years or so