Missing link does some resin upgrade tailights And Shawn Carpenter does a rear panel. I've yet to order either however. The item that really bothers me on that car is the under hood area and the chassis. I scribed out a cowl and front radiator support from the AMT '69 442, and used the entire chassis as well . I've heard the '68 El Camino works well too.
I have all of the Scale Dreams resin that I am aware of . I read that they did a transkit for a GTO kit but never saw it. The Scale Dreams I have are the Nomad, Corvair, Stingray, And the Indy concept . The only Corvette after giving t some thought that would have a top like this was one made by IDEAL. It was a large scale toy that could be taken apart. That top would be interesting to make a pattern of and vacuum form it.
Just to add to the reference here.Those that followed the older mag Car Modeler,in the January 1992 issue #11 there is an article on upgrades to the older issue of this kit. It is orange on the box ,but looks like the older issue that had some front nose issues. It goes on to describe how to make it somewhat less glaring. I don't know if this is easier than grafting the nose from the newer release,but something I might investigate. How about a MCM update on the 70's Camaro? Anyone .
I've had success with tube glue releasing by just soaking in Super Cean. Could take a long time though short of that SMALL amounts of liquid glue sparingly applied has worked as had mineral sprits applied in the same way and allowed to soak in. These remedies are not for the faint of heart.