If he has to ask how to do it then he probably has no clue as what would be a safe way to do the mod. His profile says he is a hot rod fabricator but that remains to be seen.
My $0.02 would be to fix everything else on the truck to make it safe and reliable then you should have enough experience and knowledge to know what to do next.
Hotrod is correct to be steamed. It is threads like this that has doomed the Hotrodders site to dreamers and schemers.