I think a new engine from a wrecked car might be your best bet but shoping around can't hurt.
Sorry to hear it and good luck.

You might want to reffrence some of these threads: http://www.peachparts.com/shopforum/search.php?searchid=535659

__________________
-Marty

1986 300E 220,000 miles+ transmission impossible
(Now waiting under a bridge in order to become one)

Reading your M103 duty cycle:
http://www.peachparts.com/shopforum/showpost.php?p=831799&postcount=13
http://www.peachparts.com/shopforum/showpost.php?p=831807&postcount=14