Strange pipe on exhaust manifold
Hey all :) - I've recently acquired some full length headers and such, getting ready to ditch the restrictive stock y pipe, and get some duals going on my 87 K5 here, and I was just getting ready to take the manifolds off and see these pipes coming out of each manifold, does anyone know offhand what they are for, and will it affect it's running without them?????
thanks! have a great day! http://www.carsonvalleyphoto.com/forum/manifold.jpg |
Looks like an AIR pump line. Where does it run to?
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Originally Posted by swartlkk
(Post 395210)
Looks like an AIR pump line. Where does it run to?
so, if it is AIR pump lines, when I remove them, and put the headers on, will there be some adverse affect - such as cold idle not working right or anything???? :) |
Other than the possibility of failing a visual inspection depending on how anal the inspector is and your local laws, it really won't hurt things to remove the whole AIR pump system. It is a system that pushes fresh air into the exhaust to improve catalytic converter efficiency. If you have replaced your catalytic converter(s) with newer style converters, this system really doesn't help all that much.
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Originally Posted by swartlkk
(Post 395370)
Other than the possibility of failing a visual inspection depending on how anal the inspector is and your local laws, it really won't hurt things to remove the whole AIR pump system. It is a system that pushes fresh air into the exhaust to improve catalytic converter efficiency. If you have replaced your catalytic converter(s) with newer style converters, this system really doesn't help all that much.
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That sensor in the manifold is a O2 sensor and you can't delete it if you have a tbi engine.
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ahh not true. u CAN delete it but ur truck will run in closed loop FOREVER. ie my situation fml
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