Slant 6 timing chain lubrication?

Dne007 said

Well, in my defense, I don't have a drill chuck that small, give me a sec, trying to think of something else~ oh, it's a cool "upgrade" knowing I have a Holley carburetor jet in my oil passage;)

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I have a pin vise, which is a small hand held drill, but no matter how light a touch I use, I end up breaking the bit going into metal. Now going into plastic, like with my model railroad modeling, I can do it all day long. But with metal, as soon as I get any depth to the hole at all....."SNAP".