Header Gaskets / What causes blown gaskets - Mustang Evolution

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Old 10-23-2014, 10:06 PM   #1
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Header Gaskets / What causes blown gaskets

Okay so my long tubes came with gaskets that are kinda look like rubbery or flexible ..
My dad says they will work fine.

I did buy stage 8 locking bolts for My install , should I go ahead and install the header gaskets that came with them?

What causes a header gasket to blow ? Is it the bolts backing out ?

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Old 10-23-2014, 10:13 PM   #2
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I used the gaskets that came with my headers and they are holding up fine. I've never blown a header gasket and they have always been like that.

If you are sketchy about it you can re use your old gaskets and they will hold up fine.
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Old 10-23-2014, 10:21 PM   #3
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How long they been on there ?

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Old 10-23-2014, 10:22 PM   #4
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On this car about 4 months. Previous car about 6 years
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Old 10-23-2014, 10:23 PM   #5
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Or you can find some all metal gaskets shouldn't break the bank honestly
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Old 10-23-2014, 10:26 PM   #6
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Ford wanted 120 for the gaskets lol I said nooooo

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Old 10-23-2014, 10:28 PM   #7
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Haha I would have the same thing!

Have you checked aftermarket?
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Old 10-23-2014, 10:30 PM   #8
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Yeah but wanted something quick , I want to install them Saturday or Sunday ..

But iffy about gaskets.

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Old 10-23-2014, 10:34 PM   #9
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Yea you can't go wrong with the gaskets. Search the forum for your brand and gaskets chances are if anyone has had problems they would have posted it. Good luck!
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Old 10-23-2014, 10:38 PM   #10
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I would either find quality metal gaskets (check hardware stores) or reuse the factory ones. I've done 5-6 sets of headers and have always reused the OEM metal ones instead of the cheap paper/ rubber ones that they provide with the headers and had zero issues.


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Old 10-23-2014, 10:58 PM   #11
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Just check to see if they are cracked ? Or obvious signs ?

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Old 10-24-2014, 01:39 AM   #12
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Use Percy's header gasket
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Old 10-24-2014, 07:23 AM   #13
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When I did my headers (bbk) they blew out in a few months, then I went threw another set. but at auto zone, they had some soft flexible aluminum ones that have been on there for over a year now and work great. They were thick and multiple layered. I recommend looking into them.
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Old 10-24-2014, 12:17 PM   #14
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Leaky headers sucks pretty bad though. You don't get good exhaust readings on your O2 sensors. It might be best to use some quality ones. $120 sucks tho! The locking bolts may help a lot cause that's what you see most - bolts backing out because of the heat expansion and contraction.


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Old 10-24-2014, 12:52 PM   #15
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After reading this. It kind of worries me if I have a leak somewheres near the headers.😳😳
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