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1. 

   Joined: Sep 26, 2004
   Posts: 4,391

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   Automotive Stud

   Member

   from Atlantic City

   What is this threaded hole for in the side of the block, p***enger side center next to the freeze plug?
   
   Sent from my SAMSUNG-SM-G930A using The H.A.M.B. mobile app

    

   Automotive Stud, Jan 31, 2020

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2. 

   Joined: Dec 12, 2018
   Posts: 4,057

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   oldiron 440

   Member

   from North Central Iowa

   Looks like it goes in the water jacket.

    

   oldiron 440, Jan 31, 2020

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3. 

   Joined: Apr 11, 2001
   Posts: 37,654

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   Moriarity

   SUPER MODERATOR

   from Mound, Mn USA

   Staff Member

   yup, water/coolant drain plug, should be pipe thread. Don't remember the size it is either 1/8 npt or 1/4 npt

    

   Moriarity, Jan 31, 2020

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4. 

   Joined: May 30, 2006
   Posts: 5,436

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   dana barlow

   Member

   from Miami Fla.

   F-Plugs look inside out ?

    

   dana barlow, Jan 31, 2020

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5. 

   Joined: Apr 11, 2001
   Posts: 37,654

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   Moriarity

   SUPER MODERATOR

   from Mound, Mn USA

   Staff Member

   the plugs are not cupped on these like normal ones, they go up against a ledge in the block and you whack em with a ball peen (rounded end) to seat em

    

   Moriarity, Jan 31, 2020

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6. 

   Joined: Aug 2, 2010
   Posts: 3,375

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   lumpy 63

   Member

   from san diego ca

   1/8" npt

    

   lumpy 63, Jan 31, 2020

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