Bearing Clearance, Aluminum Block & Steel Crank

[donjetman]

Here's a good video showing that bearing clearance changes with temperature especially with aluminum blocks. They talk about it at 17:45.

 

[petethepug]

Sounds like the recipe for a spun bearing on GM’s 6.2L

 

[j91z28d1]

Sounds like the recipe for a spun bearing on GM’s 6.2L

I believe the aluminum ls has steel caps?

what that does to everything, I could only guess