Put it in this
https://www.ebay.com/itm/296036781799?var=0&mkevt=1&mkcid=1&mkrid=711-53200-19255-0&campid=5338590836&toolid=10044&customid=6c6a641a3eb3131cf8ca03e18df32232&gclid=6c6a641a3eb3131cf8ca03e18df32232
Or buy the chair Michael posted and use the base
I wish I could do this one. I talked with GTJoey before buying my car out of NY. Be nice to meet him and personally say thanks. It's been a fantastic car!
Just spoke to Ford, NLA. Talk to engine builders as they've dealt with 5.4's with a seal groove in the crank plenty of times. M2K Motorsports and Heffner might be helpful.