LEB Ben
Arrogant A-hole At-Large
The 1978 I would think correlates to the year of your truck. Trans code F= T-18.
Axle code 23= D61 5300#'s with 3.31's
J= Power steering.
Axle code 23= D61 5300#'s with 3.31's
J= Power steering.
Last edited: