Dennis Kirban wrote the GNX's AND MOONROOFS article that is pasted below in this week's edition of his Inner Circle newsletter. It states that ASC did more than one moonroof installation. My post (#2 above) mistakingly stated that the roof in Heinz's car was a one off, and I also wrongly called it a sunroof instead of a moonroof. Per his consent, copied below is Kirban's article:
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GNX's AND MOONROOFS -
It is thought to be 3 or 4 real GNXs, after they were purchased, did get a ASC moonroof. As far as I know, these were not done at the time the Grand Nationals were converted to a GNX. The most well known one would be the one Heinz Prechter the CEO of ASC had in his personal car collection. As many of you know, this GNX was sold a few years back at auction and now resides as part of Richard Clark's collection.
One of our customers, who bought several cars from me, has a GNX that came out of Georgia a few years back. It has an ASC moonroof. I happen to find this GNX for him. In the actual paperwork, there is a pink application for a title in the state of Michigan. The original selling dealership was Zubor Motors in Lincoln Park, Michigan. The car then was sold to Lindsey Hopkins III in Georgia. That was a Buick dealership in Atlanta during the 1960s and 1970s. He is also an Indy Race car team owner, who was inducted into the Auto Racing Hall of Fame in Indianapolis around 2004. This is probably the connection with McClaren racing that enabled him to get ASC to install the moonroof. The critical point is Steve (the new owner of this GNX) has all the paperwork to verify its lengthy history.
It's important to remember the ASC moonroof is slightly different than the GM installed moonroof, also referred to as an "astroroof." The size varies ever so slightly, as does the tint of the glass, from what I remember. Also, if it was a GM installed monnroof/astroroof, the code would be "CF5" on the trunk ID label.
The ASC roof option is a great tie in since ASC did the GNX modification for Buick. The value would not be as great, if the moonroof was installed by a lesser-known company and one that did not have any ties with Buick or ASC. With all the options being standard on the GNX package, this is one neat upgrade that makes a few of them stand alone among the crowd.
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Thanks goes out to Dennis for the clarification.
