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Cyclone GT 500 Yellow Tail Panel?

What is this?

We get a lot of questions regarding all of the cars covered by the Registry. One of the smallest number of cars in the Registry is the 1968 Mercury Cyclone GT 500. Production was low and information on these cars is very hard to find. Recently, we had a Member send us some photos and asked a question we absolutely had no answer for. There have been examples of GT 500s done in a couple of different colors. You can check out our website pages on these cars for more details at the link above.

These cars were used as “Track Delivery” cars but as far as I know this was optional and not mandatory but I cannot confirm that.

Here is the email I received.

Hi everyone. I recently purchased a mercury cyclone GT 500 from my brother. It is listed in the registry at #10 (8H15R581776). I have disassembled the car to restore it, it is a low mile original paint car, It still has the markings under the rear bumper from the assembly line. My question is , it has a yellow stripe across the rear tail pan , does that mean anything? If so what? Can it be proven by documentation? I have heard it was part of a promotion, when you ordered the car, you had to pick it up at the race track and only 60 were done that way. Any information would be greatly appreciated Thanks Dave

The yellow appears to have been applied after assembly.

I have already suggested the owner get a Marti Report for the car to see if that provides any clues. I have never seen anything like this before, have you? I cannot imagine why an owner would want to paint this are of the car yellow but neither can I come up with a reason that the factory would want to do it. Here is another image.

The yellow appears to have been applied after the coral color.

If you have seen anything similar on a 1968/1969 Cyclone or have any knowledge of why this yellow paint might be on this GT 500 please contact me at


Some of my first and strongest memories from my childhood relate to cars. I still remember when things happened based on what car I was driving at the time. I grew up and lived in Iowa for nearly 40 years before moving to Southern California and now live in Tennessee. I was a Corvette fanatic for years but then re-discovered vintage American Muscle. My wife, Katrina, and I decided we wanted to focus on unique and rare muscle cars. After a lot of research we fell in love with the Ford Blue Oval Aero Cars. These were only built in 1969 and and aerodynamics became an important part of winning races. The only purpose of these limited production cars was to win NASCAR races using the Boss 429 and 427 power plants complimented with a special, wind cheating, aerodynamic body. The Ford Talladega and Mercury Cyclone Spoiler II are terrific and historic cars. This site is devoted to these car and their owners past and present. We provide an Online Registry for recording the long term history and ownership of every remaining Talladega, Spoiler and Spoiler II.

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