Duramax Diesels Forum Truck of the Week
  #976  
Old 06-06-2019, 06:11 PM
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Ok brand new plan on the intake and PAS setup.

Needed a bit of wiggle room on the side to side and alignment angle between turbo and TB. Plus was getting a bit crowded with that monster V-band. So the TB got gutted, and blade is moving inside the wedge plate. And while a bit unconventional, 3" SS bellow to mate it altogether..

Now who can weld this SS to Aluminum for me??



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Last edited by kidturbo; 06-06-2019 at 07:23 PM.
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  #977  
Old 06-06-2019, 06:16 PM
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Picked these up today also.

More $ laying there than I'm asking outa my 04 C dually.. And it runs and drives.. lol



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  #978  
Old 06-06-2019, 10:27 PM
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I don't think you can directly weld aluminum to stainless without a severally compromised weld. Maybe you can braze it with aluminum brazing rods. But the most successful way is likely explosion welding.

Probably better off welding a flange to the bellows and bolting it the the TB
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  #979  
Old 06-07-2019, 05:30 AM
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There's a guy here in town that could weld it, he goes by JB
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  #980  
Old 06-07-2019, 06:26 AM
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Can't be welded. As soon as you touch it it'll break at the weld. But those low melt alloy rods can do it. I have messed with them a little and sometimes it's hard to get the even heat in both parts that you need. Good luck. I enjoy reading this thread!
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  #981  
Old 06-07-2019, 08:08 AM
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If I can use the bellows, will cut a SS threaded coupler to the turbo.

But first test is, does the bellows hold 60psi without exploding or expanding. Hard to find much psi rating details based on dia and steel ga. So time to break out the air compressor..

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  #982  
Old 06-07-2019, 09:09 AM
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Quote:
Originally Posted by kidturbo View Post
But first test is, does the bellows hold 60psi without exploding or expanding. Hard to find much psi rating details based on dia and steel ga. So time to break out the air compressor.
I was going to suggest testing them at temp, but I would imagine the turbo discharge temp will be under 500F, and most stainless doesn't see any degradation in strength until well over 800F. Still might not hurt testing a little over intended working pressure just to be sure.
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  #983  
Old 06-07-2019, 12:13 PM
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Fits the spot, now to psi testing see how it grows.

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  #984  
Old 06-07-2019, 01:23 PM
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I guess 3/8" if unrestrained
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  #985  
Old 06-10-2019, 07:54 PM
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Twisted tubes.

Exhaust system has more bends than a water park slide.



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Last edited by kidturbo; 06-10-2019 at 08:11 PM.
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  #986  
Old 06-10-2019, 08:40 PM
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I'd slide down that
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285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #987  
Old 06-11-2019, 04:15 PM
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About two and three quarter inches of expansion under 90 lb of pressure...

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  #988  
Old 06-11-2019, 04:31 PM
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Damn, nearly 3". Would have never thunk
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285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #989  
Old 06-11-2019, 04:37 PM
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Even 25 psi expanded it almost 2". But main thing it held 90psi no problem, so I'll just weld a couple restraining bolts to restrict the lateral expansion.

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  #990  
Old 06-13-2019, 06:19 PM
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Working on the fuel system today. Decided to clean up the frayed return line ends. Little piece of heat shrink goes a long ways.



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