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In a recent interview with GM Authority executive editor Alex Luft, Mirza Grebovic, Cadillac Performance Variant Manager, explained why the LT4 in the CT5-V Blackwing has such an advantage over the CTS-V. “The main differences (from CTS-V) were outside the internals: the exhaust and the induction allowed us to get more horsepower,” he said. However, Grebovic also mentioned that Cadillac learned one important lesson from Chevy‘s treatment of the same engine. “We did change the superchar...