1950 Chris Craft Sportsman
Hull # U18766
Power - 95 hp Chris Craft "K"
See that string at the bottom of the above photo? It's been used to keep a wooden plug from becoming lost (3 shots of same wooden plug):
The sea-water pump removed:
The sea-water pump removed, 2 more views:
Arrows (below) pont to drain hole. (The other hole is blind, threaded for use in some other "Hercules" application.) It seems a (probably) brass drain plug was replaced with a "hollow" steel plug. Rusted to the block, the "top" of the plug was broken off, leaving a hole smaller than the original.
So the short tap "found" the broken-off plug and cut new threads. A new brass plug was wrapped with silicon plumber's tape and installed:
When we get the throttle linkage restored, and the engine to run, we'll go for a ride.
Another pretty good web page by Grant MacLaren