Powdered metal rods in 05 cummins?

[JHardwick]

Yes, it wasn't so much a material flaw as it was a design flaw.



PM is here to stay-- it's the latest tech. If properly designed, it's plenty strong.



jlh

That may be, but it will never match forged billet in strength, only cost.

 

[rbattelle]

Ryan,

I thought that was part of the changes for the 600 to deal with the extra heat required for the catalyst (obtained by the additional injection event).



... ... then again, according to my wife, I'm frequently wrong!



Dave

I think you're right. Oh well. If my engine ever blows up I'll switch it out with the Inconel valves.



-Ryan