Engine/Transmission (1994 - 1998) What's the difference between "o" ring and firering?

[Bart]

I was reading a post on another Dodge diesel site and they were talking a lot about a fire ring vs an "O" ringed head. What's the difference, benefits, cost etc.

 

[JFlagg]

I asked that same question awhile back, here is the link: https://www.turbodieselregister.com...14-difference-between-o-rings-fire-rings.html



It pretty much answered all my questions and then some...

 

[Bart]

Thanks for the Link.