Nice mod ... but... uh ....They make a hanging rack to get more head space:
https://tvwbb.com/showthread.php?62848-Beer-Marinated-Chicken-in-the-PBC-style
https://tvwbb.com/showthread.php?63644-Jerky-Brew-and-Pizza
https://tvwbb.com/showthread.php?61100-Sausage-makin-day
https://tvwbb.com/showthread.php?64839-Smoked-Turkey-PBC-style-on-the-WSM