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SOLVED...Help! Cant figure out correct ignition lock cylinder


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Hi guys,

 

Was to the point of being able to install a new ignition switch and lock cylinder. Problem is the replacement lock cylinder is different than what came out.

 

Apparently there was a changeover that occurred on 5/14/73 and my car has a build date of 6/7/73. I purchased the replacement that is supposedly correct but the end looks different. Does anyone know how to tell if the replacement I got is correct or the original in my car was wrong etc? Cylinder on left of pic is replacement and right is my original.

 

52yipu.jpg

Jeff

1972 Q Code Convertible

 

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Good luck with that one Jeff. I'd consider taking them apart and reassemble as you need it. I'll check some columns I have to see if they match either.

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I would disassemble and try swapping the ends

73 Grande

351C 2v

Now 4v Carb/Cam/headers/T5

 

Gasoline is for washing parts.

Alcohol is for drinking.

Nitomethane is for racing!

 

 

Work in Progress photos here:

Last Update: 4/23/16

 

http://s1270.photobucket.com/user/therocket366/library/?sort=3&page=1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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The one on the right is the earlier application. Lets see if this link works:

 

http://www.rockauto.com/catalog/racatalog.php?carcode=1132995&parttype=10041

 

Scroll through the images on these two links.

 

http://www.rockauto.com/catalog/moreinfo.php?pk=1188148&cc=1132995

 

http://www.rockauto.com/catalog/moreinfo.php?pk=1186467&cc=1132995

1973 Mach 1 Q code 351 4V, 9A paint, standard interior, 3.50 rear, C6 trans.

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Totalled,

 

Thanks for the info/pics....

 

Well it is clear from the pics you provided that my car has the before 5/14/73 lock cylinder even though it's build date was 3 weeks AFTER that. So do I put back in the same as what came out or with what the book says is supposed to go there? Does it matter? The problem I have is not knowing if what I have is original or was replaced at some point with the incorrect one.

 

 

The one on the right is the earlier application. Lets see if this link works:

 

http://www.rockauto.com/catalog/racatalog.php?carcode=1132995&parttype=10041

Jeff

1972 Q Code Convertible

 

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The one on the right is the earlier application. Lets see if this link works:

 

http://www.rockauto.com/catalog/racatalog.php?carcode=1132995&parttype=10041

 

Scroll through the images on these two links.

 

http://www.rockauto.com/catalog/moreinfo.php?pk=1188148&cc=1132995

 

http://www.rockauto.com/catalog/moreinfo.php?pk=1186467&cc=1132995

 

Great answer to his question. That deserves a STAR.:D

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I'd put back what it had. Just cause Ford had a change date, doesn't mean all old stock was used up, IMO.

1973 Mach 1 Q code 351 4V, 9A paint, standard interior, 3.50 rear, C6 trans.

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Thanks to all for input as it helped to get this figured out. Turns out that the steering column is different between the changeover date of 5/14/73. If you take a look at the below pic you can see that the width of the cylinder where it slides into the column is different.

 

So, my car had a actual build date of 6/12/73 nearly a month past the change and had the OLD column and lock cylinder...interesting.

 

OLD/original on left and NEW on right.

 

fohto0.jpg

Jeff

1972 Q Code Convertible

 

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Thanks to all for input as it helped to get this figured out. Turns out that the steering column is different between the changeover date of 5/14/73. If you take a look at the below pic you can see that the width of the cylinder where it slides into the column is different.

 

So, my car had a actual build date of 6/12/73 nearly a month past the change and had the OLD column and lock cylinder...interesting.

 

OLD/original on left and NEW on right.

 

fohto0.jpg

 

Interesting...Now ill have to check mine Jeff..lol...Being our cars are so close on dates...Just goes to show on decoding these cars..Ford sometimes just grabbed old stock or whatever they needed to get the car out the door.

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That happens more often than you think. A lot of times if a person asks for a part for a specific year and it is wrong, I look up a year earlier or a year later and it is correct.

 

Manufacturers were good for sticking on whatever parts they had left over from the previous year, or if they ran out of this years parts, they installed parts that had been ordered for the upcoming year.

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That happens more often than you think. A lot of times if a person asks for a part for a specific year and it is wrong, I look up a year earlier or a year later and it is correct.

 

Manufacturers were good for sticking on whatever parts they had left over from the previous year, or if they ran out of this years parts, they installed parts that had been ordered for the upcoming year.

 

Yeah, we saw that with the 73 seat backs, they started using Pinto parts toward the end of production.

-john

(jbojo)

351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,

C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

 

Some Mod pictures can be seen at: [button=http://www.7173mustangs.com/forum-garage?filterxt_uid=2026]Bojo's Garage[/button]

 

 

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  • 6 months later...

Wow, it's going to be interesting when I change my lock cylinder. My car was also produced 6/73.

 

Here's something interesting. Mine car was built on the same day as Jeff's 6/12/73, same plant. Mine got the 73 lock, he got the 72 lock. Mines a vert, his is a mach1.

- Jim

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My Mach was built 6/28/73 and it has the earlier cylinder.

-john

(jbojo)

351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,

C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

 

Some Mod pictures can be seen at: [button=http://www.7173mustangs.com/forum-garage?filterxt_uid=2026]Bojo's Garage[/button]

 

 

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  • 1 month later...

And so came the day (yesterday) when I was going to change lock cylinder and I learned the hard way my car also uses the old version! FUUUUUUU! I need to order the correct set. :-(

Waiting for spring and summer...

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  • 1 month later...

I now installed the older version lock cylinder and it worked without hassle. I suggest to anyone unsure to take an extra look on your old look cylinder and compare it to the pictures in this thread before ordering.

Waiting for spring and summer...

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