The CT5-V Blackwing is the most powerful Cadillac ever produced, but it could have been more powerful with the LT5 engine. Here's why it didn't happen.
Cadillac Considered C7 Corvette ZR1 V8 For CT5-V Blackwing carbuzz.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from carbuzz.com Daily Mail and Mail on Sunday newspapers.