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rear spoiler help


Tnfastbk
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It would be interesting to see where other '73's have the spoiler. I'm going off a 20 year old memory of my '72, but when I remounted the spoiler after paint, it struck me as different. The spoiler might be part of a package. I have the hood paint and locks, so maybe it was included in something.

 

Steve

+1 on the two tone hood and locks.

 

 

 

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  • 1 year later...
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Guys, were all factory spoliers fibreglass? Plastic? Aluminium? What about aftermarket?

 

Factory were fiberglass. Not sure about reproductions - might depend on the vendor.

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FastE,

 

In 73 if you wanted the rear spoiler it was a separate option and not included as any package. If not on the Marti, I would say it was not installed by the factory but may have been a "dealer installed option".

 

If anyone wants, I can measure my 73 for them.

 

Jeff

Jeff

1972 Q Code Convertible

 

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The repros now are

High end fiberglass

or composite with steel reinforcement

or plastic

 

429 mega site has all size / locations listed

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Even though the fiberglass is almost 4 times the plastic, my guy said go for the fiberglass.

 

My body shop followed the info here on mounting and the trunk does stay open without having to change the rods....interesting.

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I'm in a pickle now... The alloy spoiler which I have doesn't have the indents for the pedestals like the fibreglass ones have. The pedestals I have were designed for indents. I've decided to get the grinder onto the pedestals since my spoiler isn't factory anyway... Live and learn.

Image3.png

Jim

 

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  • 2 years later...

I have a new aftermarket spoiler that I wish to mount on my 1971 Mustang Coupe, and I need to know the correct measurement from the top of the deck lid to the first mounting holes. I haven't been able to find these anywhere so far for the coupe. Anyone have any info? Thanks

 

The spoiler was not a factory item for the coupe

You will have to mock it up and put it where you like it.

You may need to make some longer studs to get through the inner trunk lid bracing

Don

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I don't think there was ever a special package for the mustang that included the rear spoiler. I attached pics of my original 73 that I ordered new. I do not have a good side shot to see where it is located to the edge of the trunk. The spoiler was a $29.12 option. I think the best deal of all the options was the black out or argent hood that included the hood locks for $18.00. You could not get just the black out or just the locks they came together. So if you see a hood with the black out or argent and no hood locks you will know it did not come with it.

The Mach 1 package included Trim Rings W/Hub Caps, Dual Racing Mirrors, Competition Suspension, Color-Keyed Carpeting and All-Vinyl Bucket Seats. Anything else was a cost add on.

I could get some dimensions tomorrow if you still want another known original factory install.

I see cars every day on eBay with the spoiler backwards and it is usually the high dollar flipper companies that just make them shine and sell them not restore them.

I would not put it past Ford getting one on backwards. They put my horn button on upside down was delivered that way.

David

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When a man is in the woods and talks and no women are there is he still wrong??:P

David

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  • 2 years later...

Well I found out the hard way last night that my car did not come from the factory with a rear spoiler and whoever installed it had no clue. It was installed backwards and flush with the end of the deck lid. When we attempted to just reverse it. it over hung the trunk by half the spoiler. So the deck lid id off to be welded up, re-drilled and repainted. Anyone have proper dimensions on the correct install.

 

****found some good info***** but want to verify it

 

rearSpoiler2.jpg (40546 bytes)     spoiler.jpg (6988 bytes)    

 

Rear Spoiler

 

The rear spoiler was a factory option available on the Mach 1, Boss 351 and Sports roof. A low-gloss textured black paint was used on it from the factory. The diagram below shows the spoiler installation.

 

By the way, if you are adding a rear spoiler to your to a non spoiler decklid, you will need to change the torsion rods, otherwise, the extra weight of the spoiler will keep your decklid from staying propped open when the trunk is open.

There are two different torsion rods (aka springs) for the Mustang SportsRoof. The ones without spoiler are (D1ZZ-6344890-A and D1ZZ-6344891-A). The for use with a spoiler are (D1ZZ-66344890-B and D1ZZ-6344891-B).

 

Rear Spoiler Installation Location

 

If you want to install a rear spoiler on your 71 Mustang decklid, below are measurements taken on a decklid with a factory spoiler installation. Measurements of the location of the factory holes are shown in the photo at left and center left. The holes are centered 6 1/4" inboard of the decklid side edge on both sides. The fore & aft dimensions are as shown below and apply to mounting pedestals on both sides.

 

                 

 

Pictures of hole locations on underside of Decklid

 

               

 

A note about the Correct Front/Rear Edge Orientation of the Spoiler

 

Some 71 - 73 Mustang owners have no idea that they have their spoilers installed backwards. As shown in the diagram above, the spoiler leading (front) edge is the thicker side while the trailing (rear edge) should be the thinner portion of the spoiler. When the spoiler is on correctly, the trimmed off edge (noted by red line in photo below left) will be at the rear. Check yours out!

 

 

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Well I found out the hard way last night that my car did not come from the factory with a rear spoiler and whoever installed it had no clue. It was installed backwards and flush with the end of the deck lid. When we attempted to just reverse it. it over hung the trunk by half the spoiler. So the deck lid id off to be welded up, re-drilled and repainted. Anyone have proper dimensions on the correct install.

 

****found some good info***** but want to verify it

 

rearSpoiler2.jpg (40546 bytes)     spoiler.jpg (6988 bytes)    

 

Rear Spoiler

 

The rear spoiler was a factory option available on the Mach 1, Boss 351 and Sports roof. A low-gloss textured black paint was used on it from the factory. The diagram below shows the spoiler installation.

 

By the way, if you are adding a rear spoiler to your to a non spoiler decklid, you will need to change the torsion rods, otherwise, the extra weight of the spoiler will keep your decklid from staying propped open when the trunk is open.

There are two different torsion rods (aka springs) for the Mustang SportsRoof. The ones without spoiler are (D1ZZ-6344890-A and D1ZZ-6344891-A). The for use with a spoiler are (D1ZZ-66344890-B and D1ZZ-6344891-B).

 

Rear Spoiler Installation Location

 

If you want to install a rear spoiler on your 71 Mustang decklid, below are measurements taken on a decklid with a factory spoiler installation. Measurements of the location of the factory holes are shown in the photo at left and center left. The holes are centered 6 1/4" inboard of the decklid side edge on both sides. The fore & aft dimensions are as shown below and apply to mounting pedestals on both sides.

 

                 

 

Pictures of hole locations on underside of Decklid

 

               

 

A note about the Correct Front/Rear Edge Orientation of the Spoiler

 

Some 71 - 73 Mustang owners have no idea that they have their spoilers installed backwards. As shown in the diagram above, the spoiler leading (front) edge is the thicker side while the trailing (rear edge) should be the thinner portion of the spoiler. When the spoiler is on correctly, the trimmed off edge (noted by red line in photo below left) will be at the rear. Check yours out!

 

 

 

 

There is a difference in the stud distance between 69/70 and 71/73 spoilers. You may have a 69/ 70 spoiler Off the top of my head it is around 33 1/4 VS 35 1/2

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  • 4 months later...

There were several posts about this a couple of months ago. You should be able to find the thread by searching the forum for torsion rod.

 

 

“If you can't explain it simply, you don't understand it well enough.”

--Albert Einstein

 

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Anyone know where to find the torsion rods for the spoilered trunk lid?

 

- D1ZZ-66344890-B

- D1ZZ-6344891-B

 

Getting guillotined by the trunk lid is getting old :)

 

I have looked for them with no luck. Even spent money on a Marti report to find out if a pair on EBay were from a spoiler equipped car. They weren’t! There is a difference in size but my understanding is they have to be measured to know the difference. 

 

The ones currently on EBay are not from a spoiler car.

 

Good luckI

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  • 2 weeks later...

Does anyone know the width measurement of the 71-73 spoiler left to right? Is it different then the 69-70?

 

See previous reply in this post they are different fro sure.

 

Hmm, cannot find it, ive read entire thread 3 times, lol. I think the 71-73 is suppose to be 59" and the 70 must be 57", this is the two sizes I have found but not confirmed.

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The width of a 71-73 spoiler is 59". I was actually not aware that the 69-70 was narrower, only the stantions were taller, but I guess it makes sense as the 71-73 cars are 2" wider.

My car did not originally have a spoiler on it, but a PO put on a NPD aftermarket one and 1" too far back. i.e. 10.5" to front holes not 9.5 as it should be. This is on a Mach 1. The two torsion rods are the original two as far as I know. I later found an original D1Zxxxxxxxx spoiler at a swap meet, refinished it and installed it in the location of the aftermarket one. Guess what, the trunk lid hit me in the head too. I was able to add tension by moving the fixed ends to the last position. See pic. With the spoiler back that 1" too far, it really made a difference to the weight or pressure on the rods.

Geoff.

 

 

IMG-0707.jpg

Geoff.

 I learn something new every day!

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  • 4 weeks later...

low-gloss textured black paint was used on it from the factory. The diagram below shows the spoiler installation.

Did all come painted black? My car has Argent silver paint.

Going fast is fun but life is short so slow down and enjoy the ride :D Frank

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