Drag Radial Tire Pressure

I can't get my 325/50-15s to hook no matter what I try,lol. The 60fts are over 2.2 and into the 2.4s,lol. I wasn't there for ET that day,just MPH.
BFG-DRs
Sounds like a possible suspension issue. That and I think it's been a good while since BFG Dr's were made. lol