 <translate> 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. <yor> Lati dahun ibeere yii, o yẹ ki a mọ pe: Z06 ni a ni ipese pẹlu iyasọtọ ti o tobi julọ ti o kere ju ti a ti ṣe tẹlẹ, titun 7,011 cc (7.0 L; 427.8 cu in) engine ti a npe ni LS7 ti o ṣe agbejade 505 bhp (512 PS; 377 kW) @ 6300 rpm ati 470 lb ⋅ ft (637 N ⋅ m) @ 4800 rpm ti torque, jẹ agbara ti o lagbara julọ ti a fi sinu ọkọ ayọkẹlẹ iṣelọpọ lati General Motors. Nítorí náà, ìdáhùn náà ni 505. 