Bill,

The spiral tip extractors have worked quite well for me. Make sure you soak the remnants of the drain cock down with PB Blaster or Kroil and let it sit overnight. The spiral type extractor should remove the remaining part of the drain cock with no problem. Hope this helps.

Tim

"Pay attention to the details! It ALWAYS pays off."

1949 Chevrolet 3100 Series 1/2 ton Pickup
1964 Chevrolet C10 (Ol' Yella) (SOLD)
1958 Chevrolet Biscayne 2 door (SOLD)
1970 VW Beetle