Engine Bearing Clearances Explained

[tulowd]

http://www.stangtv.com/tech-stories/engine/clearing-the-air-on-bearing-clearances/?utm_source=rss&utm_medium=rss&utm_campaign=clearing-the-air-on-bearing-clearances

[RedSN]

Interesting article. What I got out of it is: It's safer and easier to run a loose engine on heavier oil.
Tighter bearing clearances and lighter oil mean you have to have a crank shaft that won't flex under load or RPM.