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Welding onto exhaust housing?

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Old 03-24-2008, 10:00 AM
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Default Welding onto exhaust housing?

Ok,

I have an STS system. It employs a clamp style flange out of the exhaust housing while the turbo I have now uses a 4-bolt flange style. I may be trading the turbo (if I can find someone to trade with), but on the off chance I can't, this will be going in. I was just wondering if it'd be ok to weld the downpipe to the actual exhaust housing or if that'd create problems with the housing itself. For those not familiar with the STS system, the "downpipe" is literally just a 12" tailpipe essentially ... if that makes any difference.

Thanks for the input.
Old 03-24-2008, 12:21 PM
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Welding can warp the housing which would be bad since they are a tight clearance part IIRC. Plus it might make servicing difficult.

Also hard to to reliably welds to cast iron unless you really know what you are doing.

Jim

Last edited by DeltaT; 03-24-2008 at 06:54 PM. Reason: horrible typos are killing me!
Old 03-24-2008, 12:42 PM
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Originally Posted by DeltaT
Welding can warp the housing which would be bad since they are a tight clearance part IIRC. Plus it might make servicing difficult.

Also hard to to reliable welds to cast iron unless you really know what you are doing.

Jim
^^ Main point of this post.
Old 03-24-2008, 12:56 PM
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^ You got a thing for cast iron eh? LoL. Thanks for the info folks.
Old 03-24-2008, 01:48 PM
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Actually, turbine housing are cast steel and weld pretty descent, but why would you do this when you can just make or buy a flange that will bolt to the turbo and then weld the down pipe to it?
Old 03-24-2008, 01:51 PM
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I welded onto mine and it welded pretty easy. I havent drove the car yet but the car runs and ive spun that thing up with no issues.
Old 03-24-2008, 02:40 PM
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Originally Posted by kbracing96
Actually, turbine housing are cast steel and weld pretty descent, but why would you do this when you can just make or buy a flange that will bolt to the turbo and then weld the down pipe to it?

Hrm, few years ago they were still cast iron.
Old 03-24-2008, 02:42 PM
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Originally Posted by 9ball
^ You got a thing for cast iron eh? LoL. Thanks for the info folks.
Family has been in metallurgy businesses since we set foot on Ellis Island.
Old 03-24-2008, 03:52 PM
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Originally Posted by cast iron
Family has been in metallurgy businesses since we set foot on Ellis Island.
My family has been in the iron and steel business for many generations, too.
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The women iron and the men steal
Old 03-24-2008, 05:31 PM
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