PM sent rickster
you can allways drill it to 1/2" and massage the 90* turn and gasket match it
along with all the other oiling mods to the oil pump and rear main cap and drilling the 9/32 oil galleys...well you know..
i got the 9/32 drill bit and the short 1/2 drill bit..just dont have the 10-12 inch bit for the deep one to the oil filter 90*
the last one i did,i spent most of the time in the 90* the fliter plate and removeing the cross section of the factory drill bit end flukes
man the things you can do with an angle grinder and a dremal tool
and about an 18 pack of miller light
I had about 40 hrs in the home gasket match,home pocket port,block stress relieveing
did the main webs and all to the oil gally and return holes opend up
herb and hensleys little blue book,I wish I could find another copy of it
all I gots left is a rag with herbs oil mods on a 360 left