90 sdl.
Diesel tank holds pressure (whoose when opening cap...should it?)
Feed and return lines dry at tank.
Hard lines dry from tank to engine compartment.
Feed and return lines PLUGGED (to test and eliminate the engine side of leaks) at engine compartment.
Car run on wvo and the fuel level in stock diesel tank drops!
No smell of diesel.
Rear Front and Mid of car dry.
Is there a vent hose from that may be syphoning fuel out only when driven?
I am going nuts!

__________________
82 300D....went to MB heaven
90 350 SDL....excercising con rods