In a message dated 11/4/99 2:26:06 AM Eastern Standard Time, audi@mediaone.net writes: << Still chasing the stainless acorn nut that will seal the 4kq downpipe CO tap, and a stainless alternator pulley nut... hmmm >> I just broke off the CO pipe and welded the opening shut, quite easy. You may be looking for a while for an metric acorn nut! Javad