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Fitting size for 1988 chevy 454 air injector manifold

  
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roger454

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Since: Jun 08, 2007
Posts: 5



(Msg. 1) Posted: Fri Jun 08, 2007 8:32 pm
Post subject: Fitting size for 1988 chevy 454 air injector manifold
Archived from groups: alt>autos>4x4>chevy-trucks (more info?)
what is the diameter and thread count of the fittings on the air injector
manifold that screws into each of the exhaust pipes on the factory header
of a 1988 454CID engine????
I really need some help here.
Thank you very much

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roger454

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Since: Jun 08, 2007
Posts: 5



(Msg. 2) Posted: Fri Jun 08, 2007 8:51 pm
Post subject: Pluging Exhaust Manifold Removing Smog Pump [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
How do you plug the holes in exhaust manifold after removing air pump and
injectors on chevy

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Commentator

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Since: Feb 25, 2007
Posts: 22



(Msg. 3) Posted: Sat Jun 09, 2007 9:38 am
Post subject: Re: Pluging Exhaust Manifold Removing Smog Pump [Login to view extended thread Info.]
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roger454 wrote:
> How do you plug the holes in exhaust manifold after removing air pump
> and injectors on chevy

Standard pipe threaded plugs.
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roger454

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Since: Jun 08, 2007
Posts: 5



(Msg. 4) Posted: Sat Jun 09, 2007 11:08 am
Post subject: Re: Pluging Exhaust Manifold Removing Smog Pump [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Thanks, but size is not standard pipe thread, I think it may be metric and
it is fine thread.
Do you know the actual size????
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Commentator

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Since: Feb 25, 2007
Posts: 22



(Msg. 5) Posted: Sun Jun 10, 2007 12:58 am
Post subject: Re: Pluging Exhaust Manifold Removing Smog Pump [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
roger454 wrote:
> Thanks, but size is not standard pipe thread, I think it may be
> metric and it is fine thread.
> Do you know the actual size????

No, but it would be trivial to run a NPT tap through it.
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see-love

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Since: Jun 10, 2007
Posts: 2



(Msg. 6) Posted: Sun Jun 10, 2007 5:55 pm
Post subject: Re: Fitting size for 1988 chevy 454 air injector manifold [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
roger454 :
> what is the diameter and thread count of the fittings on the air injector
> manifold that screws into each of the exhaust pipes on the factory header
> of a 1988 454CID engine????
> I really need some help here.
> Thank you very much
 >> Stay informed about: Fitting size for 1988 chevy 454 air injector manifold 
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