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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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  #1  
Old 06-07-2012, 04:15 PM
Diesel Fan
Status: The B.S. Ends When The Turbo Spools

   

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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  #2  
Old 06-08-2012, 06:45 AM
DieselSlug's Avatar
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Status: bombarded w/rust....

   
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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.

DieselSlug's Sig:1994 Silverado R/C L/B 2500 VIN. F
219,000 Miles GU6 Full-Floating Rear (3.42 Gears). + Remote Mount PMD, #7 Resistor, HD Fan Clutch, Dmax Fan, Lift pump, Snorkle mod, Chipped, 97 Air Box, Duraterms, ARP headstuds, H/V Oil & Water Pump, Marine Injectors, Rebuilt I/P 3 Years Ago, Fuel Tank, Heath Turbo Master, Rem. Vac. Pump, Optix Boost/Pyro Gauge Rust... What Rust..?
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  #3  
Old 06-09-2012, 01:26 PM
ebarresi5894's Avatar
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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

ebarresi5894's Sig:1995 GMC 2500HD 6.5 VinF.4X4, 202k Turbo-Master pushing +/- 10 psi, ,4" inch pipe to 5" stacks, Air Lift "load lifter" 5000 air springs, PMD moved to firewall, TCC mod, High Idle switch, OPS Rewire, hypertech chip, pyro and boost gauges,

Last edited by ebarresi5894; 06-09-2012 at 01:26 PM.. Reason: Automerged Doublepost
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  #4  
Old 01-21-2013, 10:34 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

IronBurban's Sig:1995 GMC 2500 Suburban 6.5 turbo diesel. Custom intake, pmd relocated, #9 resistor, feed the beast mod, homemade "turbomaster" 12psi, straight pipe 3"-4.5" tip. (Next mods include 80hp chip, marine injectors, and 4" exhaust with 3" down pipe and 2 1/2" x-over, and hx40 turbo)
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  #5  
Old 01-22-2013, 08:24 PM
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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.

JorgeNY's Sig:'96 GMC K2500 6.5 Turbo diesel
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