ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1967 Mustang => Topic started by: socalgt on July 02, 2015, 10:59:34 PM
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With the PCV valve hose connected to the port in the carb spacer, and no rear vacuum port in the rear of the 4300 carb, I assume the power brake vacuum line connects to the multi-port vacuum connection in the intake? (289 with a/c......sure would like one those helpful pictures)
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Looked through the pictures and it appears it does not make a difference in this detail (Type of trans - Smog or no smog) The vacuum source appears to be the typical large steel tube that screws into the vacuum block attached to the rear of the intake. tube has a slight mid point bend upwards and rearward it seems.
Also does your check valve on your power brake booster have one or two nipples? Recall a related search before and the odd things (unlike other Mustangs) we found on one application
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auto, a/c, no California emission , one vacuum hose from brake booster. The fitting in the intake currently has four small lines connected and what appears to be a larger port blocked off. The brake booster vacuum line used to go into the back of the incorrect Holley carb I removed, so I'll need to put it in its' correct place. The molded hose currently attached to the booster seems to want to line up with the back of the carb, so I'll assume it's incorrect.
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Yes remove the plug - attach the hard line, then the flex to the booster check valve. Don't forget the clamps ;)
(http://www.concoursmustang.com/forum/gallery/4/6-020715234830.jpeg)
(http://www.concoursmustang.com/forum/gallery/4/6-020715234858.jpeg)
These two don't use the vacuum fitting/extension you show
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Thanks for the information and especially the pictures...
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Do you think the fitting in my manifold original?....seems to have an awful lot of ports....5, counting the plugged, larger one that would go to the booster.
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Do you think the fitting in my manifold original?....seems to have an awful lot of ports....5, counting the plugged, larger one that would go to the booster.
Haven't found another used on a similar application. If I recall correctly (with your options) one for the brake booster (large end one) one for the auto trans, one for the AC
For others - if no PB's then the large end connection is used for the auto trans vacuum source with another long steel line
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Here's a better picture of a common fitting just for reference. From this you may be able determine the "similar but" differences.
Jim