A few years back, I converted the Revell 67 Corvette Roadster into a 65 for a gentleman . I adapted the small block hood from an AMT 65 that I had in my stash. I posted pictures of the finished model. The model came out great, and I may do a 66 in the same manner. I used the AMT 65 as the guide, along with pictures of Paul's 65. The 63 through 67 Corvettes are among my favorite cars. I cannot afford a pristine 1966 AMT kit, but I can convert one of my Revell 67s. I like the kit, and bought several while they were cheap. As a matter of fact, I have several AMT Corvette kits from that era too.
Good luck on the project.