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Help: Exhaust Manifold Studs.

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Old Mar 31, 2010, 07:42 AM
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Help: Exhaust Manifold Studs.

Ok guys so couple questions...

Basically I am having my manifold ported and coated by PPI, and while it's all out I ordered every single nut and bolt to replace on the hot side of the motor. (Freshin it up a bit) Anyway, What is the easiest way to remove the studs out of the block? and also, What is the process for installing the new ones. Do you guys suggest any kind of "lock tite" on there or something.

Thanks in advance!!!
-Kenny
Old Mar 31, 2010, 08:08 AM
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http://www.dsmtuners.com/forums/arti...old-studs.html
Old Mar 31, 2010, 08:09 AM
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The easiest way to remove them would be to spray them all with some penetrating oil and wait a couple hours, then double nut them and back each one out and repeat. I've had this work numerous times. As for loc-tite I don't know if I'd put any on there because it's bad enough having dissimilar metals together, then you ad loc-tite and if one breaks then you'll have one hell of a time getting them out.
Old Mar 31, 2010, 09:18 AM
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Originally Posted by Bobster22388
The easiest way to remove them would be to spray them all with some penetrating oil and wait a couple hours, then double nut them and back each one out and repeat. I've had this work numerous times. As for loc-tite I don't know if I'd put any on there because it's bad enough having dissimilar metals together, then you ad loc-tite and if one breaks then you'll have one hell of a time getting them out.
Thanks a lot for the suggestion, figured that was the best way

And thanks for the link Kris!
Old Mar 31, 2010, 06:39 PM
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+1 do not add loctite

use a very generous amount of copper based anti - seize and you will thank yourself the next time you have to remove them.
Old Mar 31, 2010, 06:51 PM
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Just did this over the weekend. Double nuts work ok but for extra comfort about removing the studs without damaging anything I would go with the roller type stud remover. 12mm +14mm. Yeah you'll only need these for one time use but you get the assurance that you wont be snapping anything. I used PB blaster while the engine was cooling down and again the next morning. ^^^ Awesome product. Link for the tool is below.

http://www.sears.com/shc/s/p_10153_1...d=stud+remover
Old Apr 6, 2010, 05:50 PM
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yea the double nut trick works real well i used it when i just did my red upgrade on my evo
Old Apr 12, 2010, 10:30 AM
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Good stuff thanks guys, I'm doing this also. Is it worth replacing all the nuts and bolts if I only have 25k on my motor?
Old Apr 12, 2010, 10:51 AM
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you can also use a stud extractor to pull them and the double nut method to install. Stud removers are waaaaaay easier
Old Apr 12, 2010, 05:46 PM
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yea loc tite will only cause you problems if ya use it, had one my tuners garage that broke off, not fun
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