If you just couldn't do oil mods, what's an alternative?

Minnesota Muscle said
Gotcha.

I did find this on 440 sources website.
Addtional Images

And the drill bit they sell to accomplish it.
Engine Block Oil Passage Enlargement Drill Bit 12"-440 Source

yes, thats what you want. go easy with it, take your time and set the clutch on your drill to mid way. you dont want to break a bit in there.