T4 turbo now a weird sound - Ford Powerstroke Diesel Forum

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post #1 of 14 Old 12-29-2012, 05:20 PM Thread Starter
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T4 turbo now a weird sound

Hey ever since i did my T4 turbo the turbo spools and makes a wind sound almost and i dont know it that is right. it spools up and is hissing like a turbo then i makes a different sound when it gets to about 20-30 psi and makes this weird sound and it kinda feels like it looses power i dont know could it need to be retuned for this turbo?

2002 F-250 7.3l 190K
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post #2 of 14 Old 12-29-2012, 06:47 PM
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Well, I do know that past the whistle, a turbo will start making a large air sucking (wind) sound because it is actually doing that! Lol.

Now as far as slowing down, not sure on that. Might be running out of fuel.

Lee

2000 F250 PSD SCSB 4X4 418k miles straight pipe gauges 2" leveling kit 315/75r16's
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post #3 of 14 Old 12-30-2012, 03:11 PM
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probably the wastegate, do you have a boost fooler?

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post #4 of 14 Old 12-30-2012, 05:23 PM
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that weird noise would most likely be the waste gate opening up. what turbo are you running? internally gated or external gate? My turbo Camaro makes a different weird noise when my gate opens up on 10# when i'm running pump gas, and even with my external gate plumbed back into the down pipe it makes a very recognizable "exhaust leak" sound inside the car


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post #5 of 14 Old 12-30-2012, 09:03 PM
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Turbo sounds completely different. It sounds wicked!! I love me Bell HFSB. Like others said, wastegate or no? I don't have one so I cant say too much. But I'm pretty sure you gotta adjust it too your needs

2002 F250 Lariat. 7.3, 2012 power fold/telescoping mirrors, Irate diesel t4 mount with a Bell HFSB, 2 12" Alpine type s subs, quad fog lights, autometer z-series, All L.E.D's, coolant filter, 5" magnaflow straight pipe, 6.5" procomp lift, 315 toyo M/T's, PacBrake prxb inline mount, Zf6 swap with a SBC OFE! And PHP tunes

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post #6 of 14 Old 01-02-2013, 06:57 AM
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Are you running stock injectors?

2003 Ford F-250

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post #7 of 14 Old 01-04-2013, 04:41 PM Thread Starter
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yes i am running stock injectors but it is a s366 turbo from irate diesel and im not sure if it is internally wastegated or not at all i dont think it is

2002 F-250 7.3l 190K
str8 piped exhaust
T4 mount s366 turbo
6637 W/ zoodad
TW custom tunes
18" rockstars with nitto terra grapplers
Pioneer avic-f700bt
Piller mount gauges autometer pyro/boost/tranny
F650 dash w/ fuel pressure and air pressure
Fisher 7.6 HD plow
BTS Transmission
And lights everywhere
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post #8 of 14 Old 01-04-2013, 04:53 PM
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Could be a split boot. Can you pressurize your intake side and check for a split/cracked boot?

'03 F250 CCSB DI competition long block, FFD 250/100's, 38R, Stealth 1.0, BTS, Newton trac bars, all supporting mods.

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post #9 of 14 Old 01-04-2013, 04:57 PM
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Quote:
Originally Posted by kyleh20 View Post
yes i am running stock injectors but it is a s366 turbo from irate diesel and im not sure if it is internally wastegated or not at all i dont think it is
The wastegate is on the up-pipes. Right before the t4 flange. Routes into the down pipe too. It's an extra 800 bucks I think to get it with a wastegate. Jake told me to not worry about one till I start makeing wayy more power.

What kind of sound is it making?? I can hit 35 psi with mine and it keeps pulling till I gotta shift. And theres no need to get a retune. Not until you swap injectors

2002 F250 Lariat. 7.3, 2012 power fold/telescoping mirrors, Irate diesel t4 mount with a Bell HFSB, 2 12" Alpine type s subs, quad fog lights, autometer z-series, All L.E.D's, coolant filter, 5" magnaflow straight pipe, 6.5" procomp lift, 315 toyo M/T's, PacBrake prxb inline mount, Zf6 swap with a SBC OFE! And PHP tunes

Parts waiting to be installed:
T-500 HPOP, Irate diesel regulated return, dual stock pumps.

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post #10 of 14 Old 01-04-2013, 06:10 PM
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How much did it run? Where did you get it? What else will i need to install?
I was going to run a 38r but am looking at other options

2000 F250 XcabSB, 4x4, 4" strait pipe, DIY intake, FRx, BDP tunes, WW2, 6.0 cooler, BTS VB, gauges, 55w digital projector HIDs
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