Looks like a radiator drain plug.  Small, hard on the finger valve 
turnerthigamajig (kinda looks like a wing nut) and an open end.
    A__A
  ___||___
//________
Kinda like that with the // signifying threads.  
Mike
Trevor Boicey <tboicey@brit.ca> wrote:
> mgraziano@mindspring.com wrote:
> 
> OK.  I see the block connection better in:
> 
> http://www.brit.ca/~tboicey/midget/pics/midget_overdrive_day_two_10.jpg
> 
> THat is definitely a drain hole, not only on my old engine, but on the new 
>engine, and the three engines he had at the shop.
  What does the fitting look like that goes there and plugs it?
-- 
Trevor Boicey, P. Eng.
Ottawa, Canada, tboicey@brit.ca
ICQ #17432933 http://www.brit.ca/~tboicey/
Just because it's rare doesn't mean anybody wants it.
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