I tried to search it but don't guess I phrased it right.

What's the consensus on enlarging the oil holes and passages in the head to get a greater volume of oil to the rocker arms????  Especially with a properly grooved cam and Dura Bond grooved cam bearings???

Needed or not???  Your thoughts and opinions please???

The 113 head queation.  Don't the 113 heads have hardened seats from the factory???

As always..........Thanks!!!!!!

Still asking, still learning

Missouri Mike 

I'd rather be lucky than good.................

    but good ain't bad!!