I am installing Hurst T Tops in my 1977 Trans Am. I am seeking any and all information on this topic including videos, installation manual, advise, etc. I need the weather stripping and the head liner. I have not made the cut yet. I have the glass tops, chrome frame, bracing and clamps. I also drew a pattern from the donor car. I have read that there are two generations of this Hurst T Top. I do not know how to distinguish between the two. Any help would be appreciated.