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compressor wheel stuck on stripped

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Old Dec 1, 2023 | 05:48 PM
  #1  
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compressor wheel stuck on stripped

I used my dewalt 1/2" impact.on highest setting thing would not come loose. i heated the nut part and it was moving but still tight .it must be stripped because it wont come off but still tight as heck. Should i cut it off or try to use small ,2 jaw puller?

https://rumble.com/v3z498v-gtp38-stripped.html
 
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Old Dec 1, 2023 | 07:20 PM
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Two pry bars or flat head screw drivers on opposite sides of wheel. Wrap the contact points with cut up aluminum can to keep from marring the wheel or the center section.
 
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Old Dec 1, 2023 | 08:01 PM
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Originally Posted by 97vanswap
I used my dewalt 1/2" impact.on highest setting thing would not come loose. i heated the nut part and it was moving but still tight .it must be stripped because it wont come off but still tight as heck. Should i cut it off or try to use small ,2 jaw puller?

https://rumble.com/v3z498v-gtp38-stripped.html
are you going the right direction?
 
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Old Dec 1, 2023 | 08:48 PM
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Something is funny there. Maybe im dumb, but the compressor is spinning and the turbine is not.

Wouldn't that mean the shaft is busted?

I would also expect one side to be reversed threads to counter the spin.
 
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Old Dec 2, 2023 | 11:17 AM
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i think i just destroyed a gtp38r

it had 2 ball bearings sets in the exhaust housing.Does a regular gtp have ball bearings?
 
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Old Dec 2, 2023 | 12:21 PM
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It was a 38r 😭
 
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Old Dec 2, 2023 | 04:17 PM
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Originally Posted by 97vanswap
It was a 38r 😭
KC sells the 38r center section.

I’m a 38r hater though…

I’d use the opportunity to do a KC balanced assembly in a stock turbo.
 
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Old Dec 2, 2023 | 05:45 PM
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Originally Posted by RacinJasonWV
KC sells the 38r center section.

I’m a 38r hater though…

I’d use the opportunity to do a KC balanced assembly in a stock turbo.
thanks, your recommendation just gave me a good idea to help someone out
 
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Old Dec 3, 2023 | 12:18 AM
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Why you hate?
KC xenter section for the 38r is non ball bearing. makes no sense since.that's the hype of a 38r and lets it spool up.quick. iI took it apart because it rotated with no drag .I thought maybe the shaft snapped because it turned so quiet and smooth like it had " ball bearings" something was not right in there. .
 
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Old Dec 3, 2023 | 06:29 AM
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Originally Posted by 97vanswap
Why you hate?
KC xenter section for the 38r is non ball bearing. makes no sense since.that's the hype of a 38r and lets it spool up.quick. iI took it apart because it rotated with no drag .I thought maybe the shaft snapped because it turned so quiet and smooth like it had " ball bearings" something was not right in there. .
I hate because it is insanely loud and too laggy for my tastes. I ran one for years with an open 6637 filter it was ear piercing. It wanted to be ran at higher rpm and pushed me to tow faster than I wanted since that’s where it worked. I was so happy after I finally got fed up and reinstalled the original turbo with a Riffraff billet wheel. Spooled so much better, power band more in my range, and didn’t scream. If I’d have used the KC 300x turbine too then probably would have never went to the T4 setup I have now. This is my personal take on it. Some folks love, others do not.

I did not realize the replacement KC center section was journal bearing. Actually went to their website to check it out. You’re absolutely correct. Strange. But also may say something about the durability (or lack thereof) of the ball bearing design.

So you took it apart because it had no play and turned freely? Yikes!
 
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Old Dec 3, 2023 | 08:57 AM
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I think they are left hand threads.
 
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Old Dec 3, 2023 | 10:09 AM
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Reverse-rotation turbochargers like our 7.3s use stock or with drop-ins will have right hand threads as the concept is similar to cooling fans: normal operation will attempt to tighten the nut. Standard-rotation turbos like any of the T-x variants will be left hand threads.

Most electric impacts and the like do not accelerate quickly enough to unscrew a compressor wheel from the stationary turbine shaft as only air-operated ones can. The stock turbocharger compressor wheels are 15mm but many of the aftermarket ones will be something else and some even come with separate nuts.

 
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Old Dec 3, 2023 | 10:11 AM
  #13  
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From: Reed Point, MT
Originally Posted by RacinJasonWV
I hate because it is insanely loud and too laggy for my tastes. I ran one for years with an open 6637 filter it was ear piercing. It wanted to be ran at higher rpm and pushed me to tow faster than I wanted since that’s where it worked. I was so happy after I finally got fed up and reinstalled the original turbo with a Riffraff billet wheel. Spooled so much better, power band more in my range, and didn’t scream. If I’d have used the KC 300x turbine too then probably would have never went to the T4 setup I have now. This is my personal take on it. Some folks love, others do not.

I did not realize the replacement KC center section was journal bearing. Actually went to their website to check it out. You’re absolutely correct. Strange. But also may say something about the durability (or lack thereof) of the ball bearing design.
Correct on all accounts. Ball bearing turbochargers are junk and the GTP38R is a hot, laggy turd.


 
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Old Dec 3, 2023 | 12:19 PM
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Originally Posted by cleatus12r
Ball bearing turbochargers are junk and the GTP38R is a hot, laggy turd.
The “like” button isn’t a strong enough reaction for this!
 
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Old Dec 3, 2023 | 12:25 PM
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Originally Posted by cleatus12r
Correct on all accounts. Ball bearing turbochargers are junk and the GTP38R is a hot, laggy turd.
for a diesal turbo maybe... for a gasoline engine they can be (if the turbine and compressor are properly matched) be the cats meow... for a diesal and a diesals low EGT... i would think its a waste of time, but I have not experimented with it yet.
 
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