Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Exhaust manifold bolts questions

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Old Apr 16, 2024 | 03:25 PM
  #11  
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That's not what there showing at several sites lol! They are showing the m10 1.50 for the manifold to the cylinder head lol!

So, I'm gonna go with your post above m8 1.25 for manifold to cylinder and m10 1.50 for the flange.
 
Old Apr 16, 2024 | 03:53 PM
  #12  
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Originally Posted by Happy Hummer
That's not what there showing at several sites lol! They are showing the m10 1.50 for the manifold to the cylinder head lol!

So, I'm gonna go with your post above m8 1.25 for manifold to cylinder and m10 1.50 for the flange.

My '07 original factory installed exhaust manifold is still holding sealed tight to the head with the m8-1.25 studs I installed 10yrs ago, along with the original factory installed exhaust system is still holding sealed tight with the m10-1.50.
 

Last edited by hummerz; Apr 16, 2024 at 03:55 PM.
Old Apr 22, 2024 | 04:47 PM
  #13  
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Well parts came. Now just to get the work done sometime in may-june hopefully.
 
Old Apr 22, 2024 | 06:07 PM
  #14  
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Originally Posted by Happy Hummer
Well parts came. Now just to get the work done sometime in may-june hopefully.
What parts did you get? Post a picture of the parts before you go in.
 
Old Apr 24, 2024 | 05:06 PM
  #15  
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