I made a hold-down bar to keep my AC shroud from dancing while I'm towing it. I got the bends exactly where I want them, and just need to drill out the holes, put in the bolts. after I repair the cracks in the shroud itself. Unfortunately the 2 screws in the front won't budge, but the ones in the back turn freely. Hence my really stupid/newbie question: The bolts in the front of the unit loosen/tighten the same as the ones in the back, right? Righty-tighty, left-loosey? Should I spray them with some PB Blaster? It's almost like the previous owners torqued the H*LL out of the screws, or used some glue in the hope that it would stop the shroud from moving. I just don't want to strip out the screws, so I figured I'd ask.