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

HX35 vrs stock head gasket?

Old Nov 20, 2009 | 12:34 PM
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Dozey's Avatar
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Default HX35 vrs stock head gasket?

Will a HX35 12cm wastgated turbo blow my stock head gasket on my 5 sp getrag?
 
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Old Nov 20, 2009 | 12:46 PM
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It could but it shouldn't a head gasket can go for a variety of reasons...if your pushing more then 40 psi your pushing the limits but not necessarily gonna blow it
 
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Old Nov 20, 2009 | 12:52 PM
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ok thanks.
 
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Old Nov 20, 2009 | 03:19 PM
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What kinda timing your running? I would be more worried about that then a stock turbo.
 
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Old Nov 20, 2009 | 11:44 PM
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it all depends on the gasket i have seen some blow at startup and others at over 100psi like stated keep it under 35-40 and keep your eyes open
 
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Old Nov 21, 2009 | 07:21 AM
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I've been running a PDRHX35 with a 14 wastegated housing for about 3 years with no problems to date. I see 35 to 38 psi of boost on a dyno - you can look at my sig for HP and torque numbers.

Bob
 
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Old Nov 21, 2009 | 02:47 PM
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Stock timing. anyone have any problems with the extra boost and an exhaust brake? I have a (I think factory option) jacobs extarder remote( about 6-8 inches past turbo).
 
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