ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1964 1/2 - 1965 => Topic started by: ChrisV289 on July 05, 2019, 06:13:05 PM
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Curious what others are doing as looking on the web and eBay I only see vacuum advances with the nipple to run a hose and not be able to change it out to end to accommodate the metal line fitting. Figure ask now so down the line I know where I need to go.
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Welcome to "we ran out" land. The original Motorcraft vacuum diaphragm had a stock number of DD-190, and a Ford service stock number of C5AZ-12370-A. They were the threaded fitting type for a metal tube. Ford, in it's infinite wisdom, replace that type with a rubber hose fitting type (there is a hex socket adjustment inside the fitting), but kept the same identification numbers. Remember, all Ford care about is will "it" work", the were not building Concourse Grade Cars.
The diaphragm sometimes can be repaired. Look in the Library in the 66 section. This repair does not address a shiny diaphragm housing. I've wire brushed a few, but they look wire brushed. Eastwood sells several "paints" that give a better look. As far as I can tell, nobody provides a diaphragm rebuild service like Fred Ballard does with fuel pumps. There's where we are today.
Jim
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Try here: http://428cobrajetcars.com/new_parts
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Try here: http://428cobrajetcars.com/new_parts
Is he still around? Top of his page says closed until further notice...
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believe he is still selling parts only. someone either here or on another board recently reported a successful purchase.
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believe he is still selling parts only. someone either here or on another board recently reported a successful purchase.
True
I purchased from him in March, another member in about May, also noticed the "closed" marker in both of those time frames.
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I bought a vacuum advance from him earlier this year through the SAAC forum. He goes by DIZZY on that forum. He can be difficult to converse with.
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He is still restoring distributors, but will tell you up front it could take months to complete. He has some personal/family issues going on.
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I buy one every time I see one. Currently I'm up to 2 in my vast collection. I found a NOS one at a car show a few years ago and then another still attached to a Dizzy. I found thats a little easier way to find used ones atleast. Search for old distributors. sometimes you can find one with the original advance still attached.
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+1, and its a part that seldom goes bad, at least in what I have found.. Now replating is another story. ::)
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Bits and pieces that I have. Some match Jim's descriptions, above, others not so much ? Don't seem to be any ID numbers anywhere ? Brian
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And of course the springs and washers within the advance unit help denote the "curve" for distributors based on their application, automatic, manual, etc...
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Trying to clean up the workbench and found these hanging around. Application unknown.
Both have screw on adapters.
The blue one is marked AUTOLITE 12378 and the uncolored version has the same number but no AUTOLITE. I presume the non-AUTOLITE is the Motorcraft version?
As you can see, the blue one could be converted to screw in using the other adapter.
Interestingly my 65 289 A-code engine has the screw on hose adapter, so it could be a later Motorcraft.
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The C5AZ 12370 A services both metal line and rubber hose(nipple) as the parts are swapped into the service housing. ( 66/up only,pre 65 used a different part B9AF )I will be re-entering the distributor restoration very soon,but service will be a bit slow. ( I lost 50% of my help )Thanks for kind words. Tim O’Connor
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That's good news Tim. I have a couple vacuum advances to send you when the time is right.
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Good to hear from you Tim. Brian
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The C5AZ 12370 A services both metal line and rubber hose(nipple) as the parts are swapped into the service housing. ( 66/up only,pre 65 used a different part B9AF )I will be re-entering the distributor restoration very soon,but service will be a bit slow. ( I lost 50% of my help )Thanks for kind words. Tim O’Connor
You might want to check your numbers. From what I have, and what I see in Ford Car Parts (aka the MPC), the distributor used on 65 and 66 Mustang 289 "A" code engines (non-smog) was a C5GF-12127-A (as marked, C5GY-12127-A service), which used a C5AZ-12370-A diaphragm.
Jim