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exhaust manifold bolt sizes

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Old Dec 16, 2010
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From: Davie, FLA
exhaust manifold bolt sizes
ive searched and havent gotten a straight answer, i have two broken studs and i wanna kno the thread and how long of a bolt i need to put in its place, i plan on removing all studs andreplacing them with grade 8 bolts....any help guys?
 
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Old Dec 17, 2010
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see here

Exhaust manifold studs and collector Studs - The Ranger Station Forums
 
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Old Jan 5, 2021
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Is the link broken? I would like to know the collector bolt size?
 
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Old Jan 5, 2021
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Exhaust manifold studs and collector Studs | The Ranger Station

16 Pcs Stainless Steel Exhaust Manifold Stud Nuts Kit for Ford 4.6 5.4 Liter V8, 2 Manifolds M8 Exhaust Stud, Complete Kits - Amazon Canada 16 Pcs Stainless Steel Exhaust Manifold Stud Nuts Kit for Ford 4.6 5.4 Liter V8, 2 Manifolds M8 Exhaust Stud, Complete Kits - Amazon Canada

8 x 1.25 pitch according to the thread.
 
Last edited by Jeff R 1; Jan 5, 2021 at 05:06 PM.
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Old Jan 6, 2021
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^ I don't believe that these are for the 2.9 and 3.0L engines.
 
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Old Jan 6, 2021
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They are the same size of 8mm x 1.25.
They will work if they're long enough.
 
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Old Jan 6, 2021
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4.0 OHV year 2000
Lower exhaust manifold bolts left side, I can only come with complete exhaust manifold.




 
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Old Jan 6, 2021
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I replied on the wrong thread. My truck is 4.0 OHV, sorry guys.
 
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