I have a 2002 40DST HR Endeavor with a 330 Cummins. I have seen a few posts about a catch can for the oil breather tube. What seems to be the best way set on up. Also due to the oil dripping I sometimes get oil spotting on the back end of the mh. I have tried hand scubbing with my normal wash/wax, but its not strong enough. My thoughts are diluted simple green or diluted orange degreaser. However I am concerend as to what it might do to the upper portion that is gel coated and not painted like the lower section. Any ideas?