here is a link to first gen mini-tub, not sure about second gen but this was the most complete thread I have ever come across.
http://www.pro-touring.com/showthrea...a-68-69-Camaro
here is another that is for a 70-81 camaro from carcraft..It does look like cutting will be required..
http://www.carcraft.com/howto/ccrp_0...t/viewall.html