BALL PLUGS
Ball plugs that can’t be accessed and knocked out are difficult to remove. I use my Heli- arc welder and heat the ball until it is red hot. Then I weld a filler rod to it. When cool, it is usually loose and can be pulled out. If the ball is staked in, you’ll have to grind the stake marks away first. I’ve used this on cranks, blocks and heads.

Randy Torvinen
Torvinen’s Machine
Menahga, MN
April, 2015