自吸发动机到4000转不是轻轻松松？

[img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc587c6f9.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc587c6f9.png[/img]我开gl82.5S每次斑马线起步都要到5000转才舒服！