Buick Oil Pan Photo Guide
David Chase - lacdrc@erols.com
Bottom/Outside

Features of Note:

  • the 14 bolt pan on the left and the 20 bolt pan on the right.
  • 14 botl pan has sqare nose, 20 bolt pan has pointed nose.
  • Barely visible is the supports welded bleow the pan rail on the 20 bolt pan.
  • Although the 20 bolt pan looks taller, they have a depth of 5 3/8" on the inside.
Top/Inside

Features of Note:

  • The 14 bolt is on the left and the 20 bolt on the right.
  • Both pans have baffles welded inside for oil control.The 14 bolt pan has a smooth pan rail surface.
  • The 20 bolt pan has dimples to grip the pan gasket and also prevent the gasket from being completely flattened when the bolts are over tightened.


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