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Mopar Replacement Exhaust Manifold Question
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Author:  LWS1967 [ Tue Jun 16, 2009 6:34 pm ]
Post subject:  Mopar Replacement Exhaust Manifold Question

Now working on the two barrel on a 1 barrel intake mod and new exhaust manifold swap. This Mopar exhaust manifold has a threaded hole on the rear part of the center collector, I assume for an oxygen sensor or?? A 3/8" pipe plug threads loosely into it but doesnt snug up, even when threaded all the way in. Anyone know what size these threads are, or what I need to plug it properly? I really don't feel like carting the thing around trying to find something..... :roll:


Thanks, Lorin

Author:  RustyRamcharger [ Tue Jun 16, 2009 8:02 pm ]
Post subject: 

That's the O2 sensor tapping. Why not fill it with an O2 sensor? Then you'll have reason to install an EFI system!

The thread is metric (spark plug thread).

Ken

Author:  Joshie225 [ Tue Jun 16, 2009 11:06 pm ]
Post subject: 

18mm. A big Ford spark plug will fit if you can't find the correct plug.

Author:  emsvitil [ Tue Jun 16, 2009 11:22 pm ]
Post subject: 

Dorman 65220 oil pan plug (18mm x 1.5 thread, 19mm hex head)

Author:  LWS1967 [ Wed Jun 17, 2009 4:27 am ]
Post subject: 

Excellent! I never would have thought it to be metric. What a dummy I am! :oops:

Author:  RustyRamcharger [ Wed Jun 17, 2009 6:42 am ]
Post subject: 

Now you have a reason to add a set of thread gauges to your tool collection.

Author:  Rug_Trucker [ Wed Jun 17, 2009 2:11 pm ]
Post subject: 

Quote:
That's the O2 sensor tapping. Why not fill it with an O2 sensor? Then you'll have reason to install an EFI system!

The thread is metric (spark plug thread).

Ken
Or a LM1

Author:  LWS1967 [ Wed Jun 17, 2009 7:00 pm ]
Post subject: 

Quote:
Now you have a reason to add a set of thread gauges to your tool collection.

Absolutely! It's one of those "Why did'nt I think of that" things. Too simple. The time I could've saved! :D

Author:  RustyRamcharger [ Wed Jun 17, 2009 7:55 pm ]
Post subject: 

Quote:
Quote:
Now you have a reason to add a set of thread gauges to your tool collection.

Absolutely! It's one of those "Why did'nt I think of that" things. Too simple. The time I could've saved! :D
Once you become a toolaholic, its incurable. I have 3 roll-around toolboxes with chest on each. Over 10 feet end to end and 6+ feet tall, with about 70 overflowing drawers. And that doesn't count the machinery and tooling (lathes, mills, grinders, etc.) Every time I add a toolbox, it keeps shouting "Fill me!" LOL!

Ken
:-)

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