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

Turbo upgrade

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Old 04-25-2014, 03:04 AM
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Default Turbo upgrade

Hello I have purchased a 93 with 5 getrag. I have a hx35 with waste gate. Do you guys think this turbo will be sufficient if I crank up my hp around 350. I plan on doing injectors , fuel pin, 3200 gov spring and 4" off turbo to 5" back. Any other suggestions will be appreciated
 
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Old 04-28-2014, 08:23 AM
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It should spool faster than the stock turbo but you won't gain much on the compressor end. Since you already have the turbo I would give it a try. you can always upgrade.
some bolt on upgrades Here

Gillett Diesel Service Inc - Turbochargers, Parts, & Upgrades
 
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Old 04-28-2014, 08:53 AM
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That's one thing I was curious about going to a 60mm compressor housing will give me a lot more air right? Along with helping keep egt down?
 
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Old 04-28-2014, 09:25 AM
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Originally Posted by crashmarvin
That's one thing I was curious about going to a 60mm compressor housing will give me a lot more air right? Along with helping keep egt down?
It sure couldn't hurt. But at 350 HP you shouldn't have a lot of problems. That is unless you do a lot of heavy towing. There are a lot of guys making more power with non intercooled trucks.
 
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Old 04-28-2014, 07:15 PM
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Well I won't be doing a lot if heavy towing but from time to time I will be hauling my 30' goose neck with my tractor and implements
 
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Old 04-28-2014, 09:14 PM
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Originally Posted by crashmarvin
Well I won't be doing a lot if heavy towing but from time to time I will be hauling my 30' goose neck with my tractor and implements
I think a lot depends on how a guy drives. I have seen threads where 5 guys have the same modifications. three have no problems One wants more and the other can't keep it running cool enough.
If you watch the gauges you can prevent a lot of problems.

I was looking for an HX35 but for the prices have gone up lately so I will just piece a H1c together and get closer to what I want for the price of a good used HX35.
 
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Old 04-30-2014, 03:30 PM
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Your best bet is to go HE351
 
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Old 04-30-2014, 05:36 PM
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Originally Posted by redneck1057
Your best bet is to go HE351
Unfortunately That wouldn't work for mine.it has one too many bends in the compressor housing.
 
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Old 04-30-2014, 05:38 PM
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What benefits are there for the he351 vs hx35. Just a bigger turbo and more hp right?
 
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Old 04-30-2014, 07:44 PM
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60mm compressor and a 9cm turbine housing. they spool instantly compared to other stock chargers. they arnt so great for the common rail stuff but work very well on 1st and 2nd gens that are still used as trucks not toys.
 

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