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Stock manifolds, can they be cut & welded?

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Old 08-03-2012 | 07:35 PM
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Originally Posted by 03RCSB
What about a set of mild shorties? Can just cut the flange off and mig a vband on. Puts the flange in the same spot the stock cast one would be.
^^^^^this

if im not mistaken, foose04 did this. i think there are some pics of it floating around somewhere
Old 08-05-2012 | 12:48 AM
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Originally Posted by 03RCSB
What about a set of mild shorties? Can just cut the flange off and mig a vband on. Puts the flange in the same spot the stock cast one would be.
Originally Posted by LS1TRUCKGUY
^^^^^this

if im not mistaken, foose04 did this. i think there are some pics of it floating around somewhere
I've thought of that too... I need to find me a real cheap set somewhere... it might be stronger too cuz thats the manifold that'll hold most of the turbo weight, although I think im gonna make a brace for it too.
Old 08-05-2012 | 04:26 PM
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Default Welded manifold

I welded a v-band flange on my manifold as well, but have not service tested it yet. I made the flange the same thickness as the mainifold. I did about the same as everyone else did. Beveled the edge, preheated with a map gas torch, tig welded with a 309 rod, and let it cool slowly.
Attached Thumbnails Stock manifolds, can they be cut & welded?-photo2.jpg  
Old 08-05-2012 | 08:02 PM
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^^^^Fine looking set of hot pipes Old Bull...I hope to fab the same setup when it cools off in the shop.
Old 08-05-2012 | 08:11 PM
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Originally Posted by LS1FREEK
I've thought of that too... I need to find me a real cheap set somewhere... it might be stronger too cuz thats the manifold that'll hold most of the turbo weight, although I think im gonna make a brace for it too.

I was just looking at making some changes to my hot pipes and looked for the shorties as well. Cheapest I could find was at Summit for $200. All the ebay ones are stainless.
Old 08-06-2012 | 09:31 PM
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Default Pipes

Originally Posted by 1969x11
^^^^Fine looking set of hot pipes Old Bull...I hope to fab the same setup when it cools off in the shop.
Thanks. Kyle (KBRacing) deserves all the credit though. He did the hot pipes for me. I just did the stock manifold.
Old 08-06-2012 | 11:59 PM
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There's a very long article on tech about it, Lots of input and good looking welds.
Old 08-07-2012 | 06:06 PM
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Originally Posted by Johnmaster
There's a very long article on tech about it, Lots of input and good looking welds.
Link???
Old 08-07-2012 | 10:31 PM
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Welding V Bands To Truck Manifolds? - LS1TECH
Old 08-08-2012 | 10:23 AM
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^^^^
this, these manifolds are made from alot better material than old school mainfolds. guys have decent sucess with just grinding down a V and using a MIG.

the lstech link has some good pictures



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