1. 

   rez_pitbull Well-Known Member

   Does anyone know the size of the ring grooves in a Buick 401 nailhead?

    

   rez_pitbull, May 31, 2005

   #1
2. 

   Babeola Well-Known Member

   5/64 - top rings, and 3/16 - oil ring groove.

    

   Babeola, Jun 1, 2005

   #2

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