Maybe I wasn't letting it warm up enough to see what is really going on. It is still pretty chilly up here. I drove into town and after it warmed up it dropped back to the 800 area. <img src="/forums/images/graemlins/scared.gif" alt="" /> . This mechanic told me that it's okay to advance the timing a little up here in the mountains <img src="/forums/images/graemlins/confused.gif" alt="" /> I don't think it's been given very much attention given that fact that I ran thru a whole can of CRC to clean the TBI <img src="/forums/images/graemlins/frown.gif" alt="" />