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Gauge Housing Question
#1
Forum-
I'm curious to know if the 1973  gauge housing orifices for the Tachometer and Speedometer have different dimensions  than the 71-72?   My 73 housings are conically shaped with the base measurement being 4.5" making it tough to fit a 5" gauge, while pictures posted by others show that a 5" gauge fits nicely.  
This picture is from BenD's post (his is a 72) :  
[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01239.jpg]
[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01242.jpg]

If anyone can advise, I'd be grateful, as I don't want to hack to the gauge bracket to make this work. 
If there is a difference- will a 72 fit in a 73?

Thanks in advance,
Butch

"A really great man is known by three signs-generosity in the design, humanity in the execution, moderation in success." -Otto VanBismark

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#2
Wasn't the clock in the Tach position a 71 only thing? Might have been different for the clock? I do not have one with a clock in it but going to check some others.


When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
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#3
Butch, the same instrument cluster housing was used for all 71-73 Mustangs (Part# D1ZZ-10838-A). Although the part number will never be on the actual part there should be an engineering number cast in to the housing to help ID it. Unless there was a supplier/vendor change, D1ZF-10838-AB is the number that you will should find on the housing.

Steve

No Officer...I really don't know how fast I was going, my speedometer stopped at 140!
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#4
David, the instrument cluster clock was standard on the 71-73 Grandé. With the exception of the Boss, idiot lights were standard on all models. The optional Mach1Sport interior included a cluster mounted clock and center mounted auxiliary gauges. The optional instrumentation group replaced the clock (if equipped) with the tachometer.
To avoid redundancy the clock did not automatically come with the long console if the vehicle had the cluster clock and no instrumentation group option.   Although I have some catalogs with conflicting info, I believe the 73 Mach 1 Sport Interior included the tachometer instead of the cluster clock like on 71-72's   Smile

Steve

No Officer...I really don't know how fast I was going, my speedometer stopped at 140!
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#5
(10-27-2018, 09:01 AM)Butch65 Wrote: Forum-
I'm curious to know if the 1973  gauge housing orifices for the Tachometer and Speedometer have different dimensions  than the 71-72?   My 73 housings are conically shaped with the base measurement being 4.5" making it tough to fit a 5" gauge, while pictures posted by others show that a 5" gauge fits nicely.  
This picture is from BenD's post (his is a 72) :  
[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01239.jpg]
[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01242.jpg]

If anyone can advise, I'd be grateful, as I don't want to hack to the gauge bracket to make this work. 
If there is a difference- will a 72 fit in a 73?

Thanks in advance,
Butch

The housing should be the same for 71-73 - the differences are in the mounting plates for the speedometer and tach/clock/warning light.
How are you trying to fit the 5" gauges? They should be mounted from the back, not sliding in from the front.

Bob

Tachs, Voltmeters, Headlight kits, Wiper delays and more at
[Image: smlogo.jpg]
Rocketman's Classic Cougar (and Mustang) Innovations, LLC
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#6
(10-27-2018, 02:54 PM)TheRktmn Wrote:
(10-27-2018, 09:01 AM)Butch65 Wrote: All- Thanks for the responses.  That helps a lot.
Bob - appreciate the guidance. Based on my interpretation of BenD's post I was working with the idea that the gauges would slide in from the front and secure from the back.  Might need to rethink that.
I'll keep reviewing the posts of those who have done this already and kept a stock look to figure out the best option.

"A really great man is known by three signs-generosity in the design, humanity in the execution, moderation in success." -Otto VanBismark

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#7
My plan is to either retro fit the backing plates for my guages which are actually only 3.5". I also have a piece of abs in case that doesnt look like a good option to make new backing plates for the gauges. You can get thick ABS plastic sheets on Amazon so thats always an option if you want to try this

73 Coupe 302/c4 Project
65 Fastback Conversion Eleanor Project

[Image: sigpic53231_7.jpg]

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#8
(10-27-2018, 09:01 AM)Butch65 Wrote:  
[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01239.jpg]
[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01242.jpg]

I'm confused........isn't the Speedo supposed to be on the right and the tach on the left ?  or did I put mine together backwards..............I notice that on the above the hole for the trip odometer in also on the left so that would be where the speedo would go.....  Huh Chin

73 ragtop, 1999 Mustang Bright Atlantic Blue Paint, Phoenix Engine 302-335HP,  Edelbrock Carb & Performer manifold; c4 with 2000 stall and shiftkit; 3:55 auburn limited slip differential, Hedman shorties; Car Chemistry Exhaust

Classic Air; Tilt Steering Wheel; 1999 Chrysler Sebring bucket Seats ; power windows;
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#9
(11-02-2018, 08:34 PM)mudbilly Wrote:
(10-27-2018, 09:01 AM)Butch65 Wrote: Mudbilly-
This is a shot of BenD's gauge set.  His ride is a right hand drive, hence the gauge orientation. Check my new post for a look at new gauges retrofitted into the left hand housing.


[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01239.jpg]
[Image: ?url=img.photobucket.com%2Falbums%2Fv101...C01242.jpg]

I'm confused........isn't the Speedo supposed to be on the right and the tach on the left ?  or did I put mine together backwards..............I notice that on the above the hole for the trip odometer in also on the left so that would be where the  speedo would go.....  Huh Chin

"A really great man is known by three signs-generosity in the design, humanity in the execution, moderation in success." -Otto VanBismark

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