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

2002 turbo onto 1992

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Old May 25, 2014 | 02:01 AM
  #1  
rob 634's Avatar
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From: red deer alberta
Default 2002 turbo onto 1992

So I just picked up a my 2nd 1992 cummins and driving it home was painfull I forgot just how gutless my other one was stock.
A guy that I worked for told me he would sell me his stock turbo and downpipe from his truck, so i did some research and I found out that it will bolt up to my manifold.
My questions are am I going to have to mod it to hook up to my intercooler ? Has anyone done this?

Also I was wondering what would be a good set of injectors to run with this? My other truck just has the gov spring fuel pin and pump turned up id like to make a little bit more power but keep it clean.
 
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Old May 25, 2014 | 09:03 AM
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It is a HX35 it is a common swap.it should be pretty easy both trucks are intercooled.
If your 92 has a H1c with the 21cm turbine housing that is why it feels gutless. The HX35 will give a pretty big improvement. alone. I would swap turbos and do some pump adjustments.(not at the same time) before messing with injectors.
 
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Old May 27, 2014 | 09:55 AM
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Thanks I just wasn't sure if it was a hx 35 basically
 
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Old May 27, 2014 | 02:18 PM
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It should say on the tag if it' still there.
 
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Old May 30, 2014 | 09:08 AM
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hx35 will not really support more power, but spool up will be several hundred faster.
5x.011 injectors with the correct spray pattern are in the mid $300 range.

you could also do a fuel pin and pump tuning to get another 100HP over stock and skip the injectors. We have all the parts you need here in our warehouse.
 
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Old Jun 16, 2014 | 12:09 AM
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Ya i will be turning my pump up and I got a bd fuel pin and gov spring plus boost and pyro gadges.
Are my stock injectors big enough?
I was informed that they where quite small on intercooled trucks.
Is it worth my time or should I leave the stock ones in?
 
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Old Jun 16, 2014 | 09:22 AM
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Stock injectors are rather small in a IC truck, they are 6x.009. Here is a link to help you understand the size of yours vs other common sizes flow wise. Injector Tip size reference chart(found on an internet site site) - Dodge Cummins Diesel Forum
 
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Old Jun 16, 2014 | 02:55 PM
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^ That's good info. Thanks, broseph.
 
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