El Camino Central Forum banner

heads mixed

  1. mixed matched heads?

    General BS Topics
    ok guys i have a question. it might be silly iy might not be i dont know, i was taking all the emmisions stuff off and i also changed the valve cover gaskets. while i was in there i glanced at the casting numbers. one was 462624 and one was 3932441. is this normal? they are both 76...
Top