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crossflow breather and hose connection

 
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rdssdi



Joined: 17 Dec 2008
Posts: 58

PostPosted: Thu Mar 07, 2013 6:21 pm    Post subject: crossflow breather and hose connection Reply with quote

I am trying to attach all the hoses on my crossflow with a 2bbl weber. It is a 1968 with a larger port (vacuum?) beneath the carb on the intake manifold as well as a small "nipple" port on no. 4 runner of the intake manifold. Also there is a small tube coming from the side of the carb.

I have the small tube that comes from the carb blocked off.

I have the breather cap connected to a port under the air cleaner.

I have the large port beneath the carb hooked to the brake booster.

I cannot determine where the crankcase port (large rectangular part that plugs into the block is attached.

Any suggestions?

Thanks

Bob
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peteleo



Joined: 24 Aug 2008
Posts: 876
Location: San Mateo,California

PostPosted: Fri Mar 08, 2013 12:25 am    Post subject: Reply with quote

Rectangular cannister includes a PCV in which a hose is connected that runs to front section of the inlet manifold
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rdssdi



Joined: 17 Dec 2008
Posts: 58

PostPosted: Fri Mar 08, 2013 9:15 am    Post subject: pvc Reply with quote

Is this PCV valve a normal serviced item? Replaceable?

When you say the "front section" of the manifold are you referring to the large nipple that is on the intake manifold below the carb and above the heater/coolant outlet port?

I presently have the brake booster vacuum hose connected there.

Is the nipple on the manifold also have a "one way" valve?

Thanks Bob
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peteleo



Joined: 24 Aug 2008
Posts: 876
Location: San Mateo,California

PostPosted: Fri Mar 08, 2013 10:48 am    Post subject: Reply with quote

Review our last discussion:http://www.enfostuff.com/forum/viewtopic.php?t=1833

Yes, the large nipple and isn't a one way valve.

PVCs are normally replaced when glogged. Though the PCV for the 68-70 Cortina can sometimes be reused by taking it apart and cleaned. It's better to get the correct PCV for that engine. There maybe someone in this group that has a spare or try Dave Bean: 209-754-5802
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rdssdi



Joined: 17 Dec 2008
Posts: 58

PostPosted: Fri Mar 08, 2013 2:20 pm    Post subject: booster vacuum source Reply with quote

The picture with the emission details is difficult to see. I printed it out in several enlargements and the details are blurry.

I believe my engine is GT spec.

If the PVC goes to the large vacuum port as shown in the other drawing you posted, where does the booster get its vacuum?

Looks like I should "T" the vacuum port and run the booster and the PVC with the same port.

Bob
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peteleo



Joined: 24 Aug 2008
Posts: 876
Location: San Mateo,California

PostPosted: Fri Mar 08, 2013 3:13 pm    Post subject: Reply with quote

I should of mentioned that you do need a "T" fitting for the PCV and booster
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