Hmm, found this....
Body Style               Housing Width 
                      64-67 Chevelle.......               54.250" 
                      68-72 Chevelle.......                55.250" 
                      67-69 Camaro........                 54.250" 
                      62-67 Chevy II........           52.125"                       
70-81 Camaro........                55.375"                       
82-92 Camaro........                 55.750" 
                      93-up Camaro........ 59.250" 
                       68-76 Nova............                    54.250"                       
78-88 A/G Body..... 52.125"
Edit#2:
94-98 Mustang 8.8 5-lug -   	60.75”...   hmmmmm
 
so now i just need an answer about the LCA locations....
also came across this site, pretty cool for reference if anyone is ever looking... http://www.1stgencamaro.net/frame.htm