0000040729-97-000133 424B3 1 19970728 NONE GENERAL MOTORS ACCEPTANCE CORP 0000040729 6141 380572512 NY 1231 424B3 33 333-12023 97646343 3044 W GRAND BLVD DETROIT MI 48202 3135565000 424B3 1 000004072997000133-001-seq1-424b3.txt SMARTNOTES #42