katy Well-known member Mar 29, 2025 #22 According to the "red book" the jam nut (thick) was used on the cast iron sediment bowls and the PAL (stamped) nut was used w/the glass sediment bowls.
According to the "red book" the jam nut (thick) was used on the cast iron sediment bowls and the PAL (stamped) nut was used w/the glass sediment bowls.
