B18A1 vacuum diagram questions
ok so ive searched and searched but cant find to seem results. im trying to hook up all the vacuum lines so it idles correctly and ive used the b16 vacuum diagram but my manifold is a bit different... here's some pics
wheres the number 1 go? haha sorry for the crappy editing

where does the little plug on the back go?

do most of the vacuum lines look good?
wheres the number 1 go? haha sorry for the crappy editing

where does the little plug on the back go?

do most of the vacuum lines look good?
Last edited by ryanevansoh; Sep 1, 2009 at 06:47 PM.
thats the air boost valve if u didnt know that and if u have the stock intake there should be a port on the intake tube for it. as for the other port it should go to the purge cut-off silonoid valve.when i rebuilt mine i got a 92 teg intake mani that dont got the valve or ports,im sure i got a extra one layin around if u need one LMK, what year b18a1 is that
Last edited by dragvixen; Sep 1, 2009 at 08:00 PM.
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oh i see thanks for the help with that. would it be fine if i kept the air boost valve unhooked then, or should i plug it up?
and also, in the diagram it shows to solenoid valves, where my car only has one, so where should i connect the other plug on the back of the manifold to?
and also, in the diagram it shows to solenoid valves, where my car only has one, so where should i connect the other plug on the back of the manifold to?
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