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Old 04-06-2012, 12:47 PM   #16
Re: Orifice / Restrictor Database  
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If I find 80s NA 4 cyl Mopars at a bone yard, are there vacuum line orifices or checks that might exist to rob? Or are these specific to turbo cars only?
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Old 04-06-2012, 03:36 PM   #17
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N.A. cars have them as well.
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Old 04-07-2012, 12:05 AM   #18
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Be sure to follow the vacuum lines so you know what orifice goes where. For example take a close look at my vacuum diagram (http://www.turbododge.com/forums/att...ase-vacuum.jpg). I took it with me and wrote down the info on the diagram at the junk yard.

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Old 04-07-2012, 12:07 AM   #19
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Richard could I paypal a few bucks for you to obtain the vacuum orifice autozone and discount sales so we can add it to this thread? If so pm me the amount you want for your troubles.

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Old 04-07-2012, 09:49 AM   #20
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You want me to get the one from autozone and measure that one also, I don't know discount sales. Am I following your correctly?
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Old 04-07-2012, 02:18 PM   #21
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Yes the one from autozone or discount. Autozone - Vacu-Tite 3/16" Vacuum Restrictor Part# 47311 or 493-021. They are made by Dorman Products - Search Restrictor

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Old 05-08-2012, 10:48 AM   #22
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This is the Dorman one commonly available from auto parts stores...

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Old 05-08-2012, 10:51 AM   #23
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Learned something new today, there is an orange orifice, the orange one I had I thought was just a faded out red one

RED - .018"

ORANGE - .022"

YELLOW - .0285

BLUE - .037"
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Old 06-01-2012, 06:10 PM   #24
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very cool.

On a 1988 Lebaron T1

RED - vapor canister
ORANGE - Not used
YELLOW - between the waste gate solenoid and waste gate
BLUE - between the waste gate and turbo charger 5/32" vacuum fitting
BLACK -
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Old 08-21-2012, 12:32 PM   #25
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great thread thank you!
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Old 11-06-2012, 01:24 PM   #26
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This is not an orifice, nor is it a restrictor, the following is a vacuum ejector. Its main purpose is to provide vacuum to the cruise control while under boost. This was used in 91-93 Turbo models. It is part number 4669013. With the 2.5L T1, only one was used. On the 16V engines, two were used. One is plumbed to the cruise control, and the other I have no idea.

Vacuum Ejector Harness:



Vacuum Ejector removed showing correct placement:



Vacuum Ejector view 2




The inside of the ejector is shaped like an hourglass. It cannot be duplicated in any form with any off the shelf parts to my knowledge.
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Old 11-06-2012, 03:34 PM   #27
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The other end of the ejector harness goes to the brake booster, I think.
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Old 11-13-2012, 01:23 PM   #28
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my "guess" was the cruise control.

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Old 11-07-2013, 01:35 PM   #29
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Figured I'd add these in to help explain the vacuum ejector system.



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Old 11-10-2013, 08:09 PM   #30
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I found some data on Ford vacuum restrictors and thought I would add for reference. On the vac line diagrams they are referred to as "v rest"

size: color : part # :
0.015" blue D7AZ-12A225-B
0.020" red D6DZ-12A225-B
0.024" orange E1TZ-12A225-A
0.030" yellow D9ZZ-12A225-A

Again these are FORD, the first three are common to V8s and the Yellow is in 2.3l turbo cars and Merkurs
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