How Much Horsepower Can A 4l60e Handle How much horsepower will a 400 block handle. Much horsepower will block engine swap handle How much horsepower will a 400 block handle. - Third Generation F-Body How much horsepower will a 400 block handle. - Third Generation F-Body Check Details ← How Much Power Can A 4l60e Handle Transmission Wiring Diagram 4l60e → Share with friends Link copied