ive been working on this 1985 monte carlo 4.3 efi for about 2yrs. it was a vary nice car on rust anywere .but it did have a crack in the frame. so am doing a frame off on the car. with all new parts. evey nut and bolt will be new. i got i nice new frame from a frinde and had it blasted. i welded all the welds over. i boxet the rails and then cut the back spring pocket out. i mini tubbed it to.