will the 47- 48 acess. tube brackets work on 40 ford & merc. hope they will. my 4dr. sedan rocks&rolls purety good. i live in mountains of sierra nevada. very steep at times,as some will see, if they go to tahoe for the big shoe. hope to see brendens truck an other barners. for those of you who have never seen tahoe it is worth the trip. reguards dick t. i will be in a 40 merc. 4dr. dark blue, twin spots & drioving lights &w.walls.