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TBSS manifold question

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Old 01-28-2019, 02:36 PM
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Default TBSS manifold question
I have an lq9 that I’m wanting to upgrade the injectors to 8.1 but came across what I think is a complete NNBS intake with throttle body and injectors/ rail for cheap. Owner says it came off a 2005 trailblazer 5.3. It has a 4 bolt throttle body and returnless fuel system. Is this a NNBS Intake?
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Old 01-28-2019, 10:24 PM
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Originally Posted by Carp
I have an lq9 that I’m wanting to upgrade the injectors to 8.1 but came across what I think is a complete NNBS intake with throttle body and injectors/ rail for cheap. Owner says it came off a 2005 trailblazer 5.3. It has a 4 bolt throttle body and returnless fuel system. Is this a NNBS Intake?
yes, the v8 non-SS trailblazers were a weird one in how they also came with the tbss intake which is essentially a 2007.5+ 4.8/5.3 nnbs intake.
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Old 01-29-2019, 12:51 PM
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4 bolt cathedral truck intake=tbss intake.
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