Chevy/GMC Duramax 04.5-05 LLY Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines

where is the wastegate

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Old Nov 21, 2009 | 04:21 PM
  #1  
ROLLIN ON 37s's Avatar
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From: Reno, nv
Default where is the wastegate

i seen that bullybog has a boostvalve or wastegate for my lly. i was just curious on where that is located on my engine? any ideas? thank you
 
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Old Nov 21, 2009 | 06:24 PM
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jlawles2's Avatar
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From: Danbury, TX
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Stock LLY does not use a wastegate. Instead it used a variable vane turbo.
 
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Old Nov 21, 2009 | 06:31 PM
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2500HeavyDuty's Avatar
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the lly turbo does not have a wastegate, it uses the vaines inside the VGT to moderate the exhaust drive pressure produce the desired boost.
 
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Old Nov 23, 2009 | 01:43 PM
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ROLLIN ON 37s's Avatar
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oh ok. i was just checking. i seen one on dmaxstore.com and was curious. thank you
 
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Old Jan 16, 2010 | 02:28 AM
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if you are wanting to up your boost PPE sells the electric boost controller, kinda spendy but it'll lower your egt's a bit when you're towing or on a hot tune
 
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