6.5 turbo upgrades - Diesel Bombers



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

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Old 06-07-2012, 05:15 PM
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Default 6.5 turbo upgrades

what else can i do to my stock 6.5 turbo to make it spool louder!!!
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Old 06-08-2012, 07:45 AM
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They really don't spool that loud due to low boost. There really isn't a way to make it spool louder.

There is a resonator in the intake that you can remove. Adding a 4'' exhaust will allow you to hear it out the tailpipe a lot more. But it wont ever sound like the new diesels.
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Old 06-09-2012, 02:26 PM
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5inch stacks a turbo master with a 3" down pipe and a chip. screams

---AutoMerged DoublePost---

Or you can put a really clogged and dirty air filter in and it will sound like a new diesel

Last edited by ebarresi5894; 06-09-2012 at 02:26 PM. Reason: Automerged Doublepost
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Old 01-21-2013, 11:34 PM
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I have a high psi spring holding my wastegate shut...the turbo controller arm broke in half (idfk how) but I just have a spring hooked onto my intake holding the lever forward, very hobo fix but it builds right around 12 psi of boost and it is louder than any 6.5 with a GM-4 turbo I've ever heard. Comparable to the turbo noise of a 6.0 powerstroke! It turns heads in town
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Old 01-22-2013, 09:24 PM
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Quote:
Originally Posted by duckslayer31 View Post
what else can i do to my stock 6.5 turbo to make it spool louder!!!
Ditch the POS stock turbo and get yourself a bigger better turbo. You will have more turbo then you can handle.
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