I have heard the oil and lampblack choice and also that the boards were painted. Both may be correct depending on the year of manufacture. I used Rustoleum Satin Black on my pine boards with good results but then this is not a work truck any longer.


Bruce
Old Toy: Ol' Betsy stock 59 Apache SB Stepside (Gone but not Forgotten)
New Toy: 1962 Impala SS Coupe
The Driver: 1990 Toyota truck