6.2L & 6.5L Performance Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines Related to Performance and Longevity

need turbo help immediatly

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  #1  
Old 05-25-2010, 05:32 PM
dieselpowermark's Avatar
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Default need turbo help immediatly

My wastegate broke off and my problem is I had it so I got boost now that I took the wastegate completly off I have no boost can anyone help in a hurry. and is there any other turbo off another truck that has the same boost pressure and mounts up to my manifold.
 
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Old 05-25-2010, 07:56 PM
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Did the waste gate itself actually break off or did the controller break off? I don't know of any other turbos on other trucks that will fit.
 
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Old 05-25-2010, 09:02 PM
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See the arm coming out of the turbo?

Wire it off to something so the wastegate stays close.

Watch your eyes on EGT and boost while it's like that.
 
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Old 05-25-2010, 10:05 PM
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The only problem with wiring the wastgate closed is the computer will defuel some where around 14psi. You can do it but you have to remove the manifold pressure sensor. You can't unplug it just pull the sensor out and plug the hole it came out of. Your check engine light will come on and you will need a boost gauge. Some people think you might blow and engine that way I don't know. I have seen a lot of them ran that way for a long time but it scars me to bad to do it.
 
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Old 05-25-2010, 11:29 PM
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dont tow with a wired wastegate but normal sane driving will be fine but keep a look to the boost gauge
 
  #6  
Old 06-01-2010, 08:37 AM
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ok Ive got the wastegate off completely its wired shut but it only has like 8psi is that normal or not plus my boost doesnt even come in till 2200rpm then it hits with such force it breaks the tires loose is there anyone besides ssdiesel that sells a kit for a wastegate actuator any suggestions would help but even that my fuel milage is shot to **** old mpg was 25-28 now its maybe 10 so any help would be great thanx for everything guys yall are awesome
 
  #7  
Old 06-01-2010, 08:43 AM
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Heath sells a kit for the wastegate you can also make them. 8 psi is low for a wired shut wastegate does the truck still have the factory exhaust and cat on it? If so the cat is probably clogged.
 
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