 
<translate> Iji zaa ajụjụ a, anyị kwesịrị ịmara na: Z06 nwere nnukwu ihe eji emepụta obere ihe eji emepụta ya, ihe ọhụrụ 7,011 cc (7.0 L; 427.8 cu in) engine codenamed LS7 mepụtara 505 bhp (512 PS; 377 kW) @ 6300 rpm na 470 lb ⋅ ft (637 N ⋅ m) @ 4800 rpm nke torque, bụ ihe kachasị ike nke a na-etinye n'ime ụgbọ ala nke General Motors. N'ihi ya, azịza ya bụ 505. <eng> To answer this question, we should know that: The Z06 was equipped with the largest-displacement small-block engine ever produced, a new 7,011 cc (7.0 L; 427.8 cu in) engine codenamed LS7 produced 505 bhp (512 PS; 377 kW) @ 6300 rpm and 470 lb ⋅ ft (637 N ⋅ m) @ 4800 rpm of torque, is the most powerful naturally aspirated engine put into a production car from General Motors.
Therefore, the answer is 505. 