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

Found a suprise on my engine

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Old 01-06-2012, 08:31 AM
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Default Found a suprise on my engine

I am taking my donor truck apart for my conversion and i got the front clip off and decided to look at the turbo, Well it is a hx40w. It has no wastegate, so is this thing a pile of junk that wont build any power. It says it was built in 03 and yes it is an actual holset. It also has the 6 blade wheel.
 
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Old 01-06-2012, 11:00 AM
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Might be a little lazy depending on your mods, I'm on my phone and can't see a sig. Other option would be to use the 40's compressor wheel and housing to make a hybrid turbo.
 
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Old 01-06-2012, 12:25 PM
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I do not know anything that has been to the truck. It was a dog when I bought it. I just thought it was the converter that was causing it to be a dog. What other turbo should I get to make a hybrid?
 
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Old 01-06-2012, 04:48 PM
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If you can find a 7 blade wheel it will be much much better, the 6 and the 8 blade are not that great of an up grade.
 
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Old 01-12-2012, 03:22 PM
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I've got a 92 with a rock stock turbo, i believe an H1c, has no silencer ring, and def was never messed with. i have the fuel pin turned and the smoke screw adjusted along with a cone K&N filter. The VERY max boost out of this thing is 8 psi. what are cheaper upgrades or replacements. i would like to turn the truck up more, but what turbo would jive with more mods?
 
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Old 01-12-2012, 03:39 PM
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CUMMINStagetcha19- your only making 8 psi of boost? something has to be wrong because i can make 25lbs of boost easy with my stock H1C
 
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Old 01-12-2012, 04:51 PM
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8 lbs sounds a little light. i'd check my boots for checks, then maybe air leaks in the intercooler. My h1c makes at least 20 lbs.
 
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Old 01-12-2012, 07:48 PM
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Wow is this what thney call a hijacked thread.
 
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Old 01-12-2012, 09:29 PM
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yes
 
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Old 01-12-2012, 10:50 PM
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I thought threads were supposed to be hijackedted.
 


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