[RodKnock]

I believe the intention of SAAC is that the registries are updated roughly every decade.

Also, while the 1997 version contains Cobras, GT40's, Coupes, Shelby Mustangs, etc., all together, the 2008 version has them split out into separate registries Cobras/GT40's/Coupes, then 1065-1967 Shelby Mustangs and finally 1968-1970 Shelby Mustangs, IIRC. They were separated because of all the new info as well as adding the Shelby Continuation models, SPF Coupes, SPF GT40's and Kirkhams.