I INSTALED A NEW BED SIDE ON THE BED I AM PUTTING ON MY 79 CHEVY. I REMOVED THE BED FROM A 1987 GMC. THE CHEVY HAS A BETTER CAB AND THE MOTOR RUNS A LOT BETTER THEN THE GMC. IT WAS NOT THAT BAD TO INSTALL. I DID IT BY MY SELF WITH THE HELP OF A HOIST. I AM GOING TO PUT THE 700R IN THE 79 AND INSTALL POWER WINDOWS. ITS ALOT OF WORK BUT I LIKE THE 73- 87 CHEVY TRUCKS. THESE IS A GOOD PLACE TO GO FOR INFO. HAVIN FUN