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Old 08-30-2013, 10:40 AM
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removing exhaust manifolds and up pipes

ok i discovered the other day that where my uppipe bolts to the exhaust manifold the bolt has rusted and broken loose. it has started to leak and i cant get the bolt out of the manifold because it is seized by the rust. also my exhaust manifold bolts are either rounded off or seized. i have tried heating it with a torch but cant get them to break loose. how is everyone getting the manifolds off? can i just cut the heads off and reuse the manifold if its in good shape?

also with up pipes i was going to replace them, has anyone made their own set of bellowed up pipes? really hate to spend $450 for them if i could get parts and make my own set. any help would be great!
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Old 08-30-2013, 11:20 AM
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Originally Posted by jrex2506 View Post
ok i discovered the other day that where my uppipe bolts to the exhaust manifold the bolt has rusted and broken loose. it has started to leak and i cant get the bolt out of the manifold because it is seized by the rust. also my exhaust manifold bolts are either rounded off or seized. i have tried heating it with a torch but cant get them to break loose. how is everyone getting the manifolds off? can i just cut the heads off and reuse the manifold if its in good shape?

also with up pipes i was going to replace them, has anyone made their own set of bellowed up pipes? really hate to spend $450 for them if i could get parts and make my own set. any help would be great!
For the rounded out bolts I would try and break the heads of the bolts off and remove the manifolds then use vice grips and heat to extract the bolts. As for making your own bellowed up pipes, I just did that and still had to use that stupid donut on mine which im not happy about, I should have spent the money and got the IH style with the actual gasket but making your own bellows is possible.
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Old 08-30-2013, 12:43 PM
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Is the motor out of the truck? It seems like the bolts always rust and seize in the manifolds and not the heads themselves. They always cut the bolts right below the manifold, then drill them out of the manifolds.
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Old 08-30-2013, 07:42 PM
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rockauto....mine just arrived yesterday.

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