Today at the New York Auto Show, Cadillac's president Johan de Nysschen emphatically put to rest any rumors that the new 4.2 liter Biturbo V8s will be headed for the Chevrolet Corvette. The two new engines which offer 500 hp and 550 hp will only be found in Cadillacs, giving the automaker an exclusive engine for the first time in years.
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