Chief Engineer Explains Why 2022 Cadillac CT5-V Blackwing Didn't Get LT5 Engine 9 Mar 2021, 16:40 UTC · by The most powerful Cadillac ever produced could’ve been more powerful, but the crown jewel of General Motors decided against the LT5 small-block V8 of the C7 ZR1 over a simple issue. According to Blackwing chief engineer Mirza Grebovic, “you couldn’t see out of the car.” 17 photos He isn’t mistaken, though. A shaker-like hood and a dry-sump lubrication system featuring a supply tank would have made the hood of the CT-5 Blackwing so high that you wouldn’t see outside of the car.