If you want to read a well-written discussion of 300M, go to the website:
http://www.epi-eng.com/
Then click on the Piston Engine Technology button, then on the connecting rod subject.

Whether your connecting rods have notch sensitivity or not depends on the heat treat. This is discussed in that chapter.

R.

Last edited by dogdays; 04/11/17 06:11 PM.