> Obviously the best solution is to regularly check the fuel lines and
> replace with HIGH quality line. There are race quality lines that
> will last forever. Prevention is the best solution.

Yep, but even new things fail... or some goof ball installs it wrong... I
imagine it is possible to get one of the connections wrong...

> Unless you have raw gas pumping into the engine compartment

That is the source of most Vanagon engine fires... that I have read  about
on the list... leaning fuel hose sprays gas onto hot exhaust pipes...

, I can't
> really see any other scenario for an engine fire.....

Yes... electrical fire... burn wires... if really unlucky burn through fuel
line!

bill