LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Cap off air tubes

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Old Apr 25, 2014 | 08:12 AM
  #1  
Chet1185's Avatar
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From: Pennsylvania
Cap off air tubes

Just got these pacesetter LT's. What size caps to plug these?

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Old Apr 25, 2014 | 02:06 PM
  #2  
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Re: Cap off air tubes

I think they're a 3/4 pipe thread.
Old Apr 25, 2014 | 02:29 PM
  #3  
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Re: Cap off air tubes

Looks more like a flare fitting, using a flare cap:



An NPT thread would be tapered.
Old Apr 25, 2014 | 02:32 PM
  #4  
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Re: Cap off air tubes

Hmm, you're probably right. I didn't see the flare on there and assumed it was the same as my headers.
Old Apr 25, 2014 | 07:16 PM
  #5  
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Re: Cap off air tubes

I'l go to Lowe's and see what i can find. Thanks

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Old Apr 25, 2014 | 08:01 PM
  #6  
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Re: Cap off air tubes

If nothing else any competent exhaust shop can cut those off and weld them shut in about 2 minutes. Just spray some high temp paint over the weld.
Old Apr 26, 2014 | 09:26 AM
  #7  
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Re: Cap off air tubes

I'd rather be able to remove if i wanted to sell them and someone wanted to keep the emmision stuff.

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