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Size and thread count of studs on truck manifolds?

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Old Mar 5, 2009 | 07:52 PM
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Default Size and thread count of studs on truck manifolds?

Does anyone know the size and thread count on the studs that come welded to the truck manifolds? I dont want to have to take them off and bring them to the hardware store.

Also, what hardware are you guys using to mount your T4 turbos to their flanges?
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Old Mar 6, 2009 | 05:24 AM
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Nobody knows?
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Old Mar 6, 2009 | 06:10 AM
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The studs on the manifolds come out. They shouldn't be welded I don't think.
As far as hardware, I just used some grade 8 bolts and nuts to mount the turbo to the flange.
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Old Mar 6, 2009 | 08:21 AM
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10mm X1.50
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Old Mar 7, 2009 | 06:54 AM
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Thanks
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Old Mar 7, 2009 | 07:04 AM
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Originally Posted by HUNTER02SS
The studs on the manifolds come out. They shouldn't be welded I don't think.
As far as hardware, I just used some grade 8 bolts and nuts to mount the turbo to the flange.
I meant configuration and size. For instance, my T4 flange on the merge is threaded. I got some M12 bolts to match up with the threads. When I looked at the flange on the turbo, there is no way to get a long M12 into the hole due the exhuast housing being in the way. This makes me think that perhaps I should tap the back bolt holes and stud them on the turbo. Then have the hot-side flange have the other 2 studs. Get the back 2 from the top and the front 2 from the bottom. sound good?
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Old Mar 7, 2009 | 11:00 AM
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10X1.5 or 3/8-16 work too very similar threads **
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