Hello all, been having a problem with the T. I have an Accufab adjustable regulator that seems to have a mind of its own. If i set the FP to 43 psi, when I check it again in a couple of days, it is at 40 psi. I have a feeling this is part of what is causing my intermitant knock problem. I think this thing is supposed to be rebuildable, should I try that or deep six this one and get something else? Thanks in advance.