I recently came across/acquired a still sealed 55 Gallon drum of Cenex Superlube 518, 15-40 CE-CD-CC, SF-SE-SD. It's probably at least 15 years old. Can I use it in anything (like a 2006 New Holland TV145 or a 1978 IH 466)? I hate to just send it out to the recycler who'll use it for fuel oil.