350 real horsepower will tow great and control heat. I tow heavy at 350 to 400 and the water temp will climb fast on a very long hill grossing 24,000. I don't think you can tow reliable at 500. My 01 24 valve has 327,000 miles on it.

 

No doesn't use oil and I don't think it has blow by...u don't need a fire ring gasket?? What pis can a cummins gasket hold?

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How will I know if it has blow by??

 

In my opinion the stock head gasket in an original configuation should be good for up to 45psi.
Others may chime in with better figures, and with a towing rig I would stay on the low side of that.

I have been window shopping for a bigger turbo or a compound setup.

 

I wanna run compound. And run about 60psi would I need fire ring gaskets?? Or is there another gasket with out doing the machining to the head to put the fire rings in?

 

no, cummins gasket and O rings will work good. and yes the o rings need machiend in. and i think a 500hp 300k+ mile cummins will last a good while.....depending on how u drive it.

 

Ihave my days usually I only beat on it if I'm being challenged other then that pretty normal...is the o ring gasket same as fire ring??

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Cummins gasket w o rings?? Isn't that the same as fire ring gasket?? If not where do i find it?

 

o ring the head....and use a factory cummins head gasket.... not a fire ring head gasket.

 

What's the difference

 

one is for fire rings and one isnt

 

Where can i get the o rings and gasket