Is this a casting defect in the block?

[Ramacher]

The oil supply line from the pump to the rockers rubbed against it and now has a hole in it. Is it safe to grind it down?

Also is the copper oil line just compression fittings I can make from a plumbing supply store?

 

[skully3]

defect, grind it back but be sure to stone the top surface where the gasket goes. the copper line is 4mm I believe.

 

[Ramacher]

defect, grind it back but be sure to stone the top surface where the gasket goes. the copper line is 4mm I believe.

What do you mean by "stone the top surface"?

I've been to 4 plumbing supply stores and no luck so far heading to home depot now.

 

[skully3]

if you throw a burr up towards the top "flat surface" (after u grind) use a wet stone or a metal block with sand paper wrapped around it to make the area flat again. You probably wont find 4mm copper tube locally but maybe 5/32 will work.

 

[Ramacher]

if you throw a burr up towards the top "flat surface" (after u grind) use a wet stone or a metal block with sand paper wrapped around it to make the area flat again. You probably wont find 4mm copper tube locally but maybe 5/32 will work.

Ahh OK that's what I thought. Basically just make sure there's no upwards burr or lip?

There's a Jeep shop by my place that works on old CJs, hopefully they'll be able to help.