What is the primary reason to block the oil hole? Is it just robbing too much oil from other places? I'm not opposed but wanted to understand the reason to do it.

Is it better to force fit something in or thread something in the end?


'75 Plymouth Duster
Phase I 451 906/590/2-660 10.75/126
Phase II 451 Stage VI/590/1050 9.82/135
Phase III 383 906/Victor-Pump gas 11.30/119

"For by grace you have been saved through faith. And this is not your own doing; it is the gift of God,"