well i have a small problem the manifold (i dunno if its spelled that way ) keeps getting loose, after a few good runs. i tried already 2 diff type of screws.. and i tighten them really tight.. i even tried using thread lock but no luck, perhaps since the thread lock is removed with heat? and since that area gets pretty hot it don't help? n e ways is there any kind of screws that brings a nut or something to tighten it on both ends?