Do you know what the thread pitch is on your 302?
Where the filter is located on my 460 there is no avoiding oil running from the adapter down over the power steering cooling loop set in the front crossmember.
I just stick a rag there before I loosen it up.
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.