A roof-mounted turbo on an LS-swapped Chevy S-10? See how it pulled on the dyno in this episode. (Image/Power AutoMedia)

The Horsepower Wars $10K Drag Shootout returns for a third go-around.

In the $10K Drag Shootout, teams are given a vehicle, plus $10,000 to build the quickest drag car possible. Oh, and they have 10 days to do it.

Miss any of the other No Prep Edition episodes in this series? Click here.

The four teams race head-to-head on a no-prep track to decide a champion. The winning team gets $10,000 and keeps its car. The losers get nothing.

***

As its name implies, Episode Six showcases the last frenetic hours of day 10, the last day of building. Final tuning is underway, major problems arise, and some serious adjustments are being made to dial-in each car for the track. You’ll see some big dyno numbers…and some dissapointing ones too.

Watch it all below in Episode Six of the Horsepower Wars $10K Drag Shootout, No Prep edition.