This is whats expected: if an improved LS7 is coming, then def. a 6th gen Z/28 will be out.
Powertrain
The 2015 Camaro is expected to offer the following engine choices:
- 2.0 liter turbocharged I4 LTG
- 3.6 liter naturally aspirated V6 LFX
- New 3.6 liter twin turbo V6 LF3
- (SS) New 6.2 liter naturally aspirated V8 Small Block LT1
- (Z/28?) New 7.0 liter naturally aspirated V8 Small Block (LS7 successor)
- (ZL-1?) New supercharged V8 Small Block
Read more:
http://gmauthority.com/blog/gm/chevr...#ixzz2uGTUbRrW
http://gmauthority.com/blog/gm/chevr...o/2015-camaro/