Air Tube Delete
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Junior Member
Joined: Jun 2012
Posts: 87
Likes: 5
From: Andover, Ohio
Engine: 87 5.0L TPI
Transmission: 700R4
Air Tube Delete
83 Z28 with 87 305 TPI, upgraded to 90-92 Speed Density system. I have removed the AIR system and plugged the ports in the manifolds with stainless steel plugs. I was wondering do I need to plug off the air tube input on the side of the cat? If so, how are others doing it
Joined: Apr 2017
Posts: 1,149
Likes: 445
From: Northern NY
Car: 1988 Trans Am GTA and 1979 Trans Am
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: Borg Warner 9 bolt 3.27
Re: Air Tube Delete
I would pinch it off, you could pinch it and then weld over for good measure to be sure its sealed against exhaust leaks.
Supreme Member
Joined: Sep 1999
Posts: 3,042
Likes: 822
From: Colorado USA
Car: '83 Firebird (T/A Clone)
Engine: 350 with L-69 components
Transmission: 700R-4, 2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 ..
Re: Air Tube Delete
I left a short secttion and capped it of with a stainless steel compression fitting...
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