Yes, I have a sawmill and ten acres of trees, but didn't have anything already cut and seasoned that would work. I want to take this truck to a vintage tractor and gas engine event in August. No relief cuts and I have never seen them on original wood. My'59 has original bed wood and so does my recently aquired '29 model AA. The strips do what's necessary to keep it flat enough.
'92 F350 4x4 dual wheel service truck. 7.3 with headers and glass packs. 5 sp man tran. 255 85 16 Toyos. 110,000 miles. '59 F350 9' flareside new project, cummins 6at turbo diesel, sm 465 4 spd. 255 85 16s again, 37 ford 1 1/2 ton stake with 53 flathead V8. 65 toyota landcruiser fj 45 longbed pickup. 54 GMC 3/4 ton flatbed w/ cummins 6at, '68 BSA 441 Victor Special, bone stock, Antique tractors and one lung flywheel engines .....