JBA Header collector - JeepForum.com
 
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post #1 of 3 Old 05-15-2021, 05:36 PM Thread Starter
JDNightFox
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1989 YJ Wrangler 
 
Join Date: Feb 2010
Location: AZ
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JBA Header collector

Okay I just installed the JBA 4.0 headers (91-99 4.0) and they're pretty great but I have an issue

my original collector gasket doesn't work with their collector because they have a larger round style flange and my down pipe was designed for the old manifold with a flat style that the round gasket goes on

what gasket am I supposed to put on this one?

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post #2 of 3 Old 05-16-2021, 09:40 AM
timatoe
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I've never heard of JBA before, but a quick google search looks like it uses a bell end with no gasket. My stock 4.2 manifold does the same with no gasket to the pipe.

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post #3 of 3 Old 05-16-2021, 12:31 PM Thread Starter
JDNightFox
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Join Date: Feb 2010
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Posts: 198
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Originally Posted by timatoe View Post
I've never heard of JBA before, but a quick google search looks like it uses a bell end with no gasket. My stock 4.2 manifold does the same with no gasket to the pipe.
yeah I originally installed it with no gasket but I don't want to overtighten the bolts and it's still leaking out the edges so I didn't know if I was doing something wrong
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