manifold AIR injection?
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New User
Joined: Sep 2004
Posts: 16
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manifold AIR injection?
I am shopping for headers for my 96 bronco with the 351w. Several of the headers I would like to use say they will not fit models with manifold air injection. I am not positive that I have this but there is a 3/4" tube that goes from the front of the passenger side exhaust manifold to a something that looks like a diaphram valve bolted to the intake manifold. Is this what they are talking about? Can this be removed or bypassed? I don't have emissions inspections in my state but I don't want to confuse the computer or mess up the way it runs. The bassani headers don't have this warning has anyone bought a pair that has the bung for the air injection? I just got my bassani Y pipe and am impressed with the workmanship on it.
Any help?
Thanks
Any help?
Thanks
Postmaster
Joined: Jun 2001
Posts: 2,809
Likes: 3
From: Loveland, CO.
You are looking at the EGR.
AIR injection is a silver tube that runs along the stock exhaust manifild and has four fittings, one at each exit tube on the manifold. It looks sort of like "fuel injectors" going into the exhaust manifiold.
AIR injection is a silver tube that runs along the stock exhaust manifild and has four fittings, one at each exit tube on the manifold. It looks sort of like "fuel injectors" going into the exhaust manifiold.
Lead Driver
Joined: Sep 2002
Posts: 9,182
Likes: 12
From: Gateway to the West
Don't sweat this one. ALL 351W and 302's built after 1973 had the AIR injection cast into the cylinder heads. The only thing you need to worry about with your exhaust on a 96 is having the necessary bungs for the O2 sensors of which I believe there are three (left, right, and center if I recall). Congrats on the Bassani setup...I run the entire Bassani package including their short headers and I love it. Its on the second Bronco and third year in operation with no problems.
