> JB Weld is non-conductive from an electrolysis point of view. If it's sanded
> smoothm all it's doing is filling pits, not acting as a gross structural
> component. Having used this stuff in other places, I would trust this kind
> of repair on wasserboxer heads..

Another data piont on J-B Weld's strength in hostile environments:  I
know a man that runs a lawnmower repair shop that fixes scored cylinder
walls with J-B Weld (cheaper option for budget-oriented customers),
hones them, and reassembles the engines.  So far, all of them have been
reliable!

--
Best Regards,
Scot Douglas
Project Engineer; Chrysler/Mitsubishi Joint Programs
Mitsubishi Motors R&D of America
P: (734) 971-0900 x124
F: (734) 971-0901