New parts are starting to trickle in as the builds enter the fourth day—with a long way still to go. (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.

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On day four of this 10-day build blitz, we learn about the penalties for going over budget. Spend too much money, and your car is getting sandbagged with weight, so the teams are scrambling to pinch pennies.

The first truck from Summit Racing arrives as well, giving the teams a lot of shiny new parts to install.

Watch episode four below, and see how each build in this Horsepower Wars $10K Drag Shootout is progressing.