1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Blowby Breather

Old Jun 10, 2011 | 06:39 PM
  #11  
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Originally Posted by JBradley500
you look into the Case dual cover breathers?


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Old Jun 10, 2011 | 06:48 PM
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Originally Posted by BC847
WOW! That is awesome!
 
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Old Jun 10, 2011 | 08:15 PM
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The case valve covers are pretty nice.


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Old Jun 10, 2011 | 08:59 PM
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Those case valve covers are sweet my wife works for the case dealer if you get me a part # I'll get a price
 
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Old Jun 10, 2011 | 09:06 PM
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Default Blowby Breather

Part numbers!
 
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Old Jun 10, 2011 | 09:12 PM
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Old Jun 11, 2011 | 02:05 AM
  #17  
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Cummins Dual Valve Cover Breather Kit 5.9L Diesel 12 Valve

 
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Old Jun 11, 2011 | 06:31 AM
  #18  
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You may save some money going through your local Case dealer, I did.
 
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Old Jun 11, 2011 | 07:38 AM
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Thanks my wife gets a good discount for being an employee
 
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Old Jun 11, 2011 | 09:53 AM
  #20  
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What diameter lines come out of that thing?

I want to run a 1/2" Teflon line out of each valve cover, don't know if it'd be enough diameter to actually be worth it...

I don't think you have much oil that's going to come out of there. I can run mine at a couple thousand RPM without valve covers and it doesn't make a mess, the oil just slowly comes up and glistens over everything. But I've had other guys tell me that their engines do make a mess, so it's either a first gen/ second gen difference or my engine has oiling problems in its advanced age.

You definitely don't want to vent them into the air intake; that'll just get oil in the intake valves. That's what new engines do with their PCV stuff, and it sucks horribly. I'd run it down into a cup to catch the condensate and just let it bleed off to the air. And I probably wouldn't use a cup.
 
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