Vector Avtech WX3 - The intended engine for WX-3 was to have more than 1000 horsepower. But this engine was never completed so under the hood you will see a aluminum alloy 7.0-liter V-8 engine. This beast pumps out 800+ pound-feet of torque at 4900 rpm. Vector claims that the WX3 has a maximum of 650 horsepower. The chassis of the WX3 is made of a carbon fiber, epoxy composite, nomex honeycomb core.