The 1981 Cobra Project needs some reinforcement, see how to beef up the body and frame on a k-member car and keep it from twisting like a pretzel from big horsepower.

The guys bring in help to progress body work on the 1969 Dodge Charger.

Project Sydewinder, the Fox Body Cobra, gets a massive suspension overhaul and upgrade, along with a stronger rear end to handle big power.

After a whirlwind trip through Alabama to address some Buick seats, Tommy joins Marc in getting the sheet metal wrapped up on Hard Charger, their 1969 Dodge Charger.

Marc and Tommy get to work restoring the engine bay and front suspension on their 1981 Cobra Project, Sydewinder.

Marc and Tommy weigh transmission options for the Fox Body Cobra, and Project Hard Charger gets some metal work done with a new trunk floor.

Mike and Pat set up GM's LQ4 and Ford's Windsor with comparable parts, to find out which one makes more power!

The split-bumper Camaro's powerplant gets put to the test on the Engine dyno! Will it lay down 600+ HP?

We take delivery of the Camaro's custom chassis…and fill it with race ready components!

A 440ci Motown engine with LS induction powers our 1973 Split Bumper Camaro racecar.

A "takeout" LQ4 powerplant becomes the test bed for a series of affordable engine upgrades.

A 512ci Big Block Mopar goes from stout street engine to pump gas race bullet.

Eliza and Jeremy are doing suspension work and making custom interior pieces for their Scout.

Eliza and Jeremy are adding rock sliders and a room mounted tent to their Overland Scout as this project gets closer to the finish line.

Eliza and Jeremy put fuel and fire to the LS-2 powered Overland Scout project and finally get to hear it roar to life!

Eliza and Jeremy hit the road to pick up a Jeep JK for a brand new build.

Jeremy and Eliza design and fabricate custom front and rear bumpers for the Overland Scout.

Jeremy and Eliza are installing hydraulically assisted steering in their Overland Scout to help turn their new 37 inch all terrain tires!

The measly 146 HP at the wheels will be a distant memory when we take the freshened-up Ford and slap her back on the chassis dyno. Then it's onto the race track to compare the newly modified truck against its own baseline

Jeremy and LT take delivery of a Nissan NV2500 and trick it out to become the new PowerNation Driveway Rescue rig. It's a mobile workshop, helping viewers with their truck tribulations.

The engine goes back together in the '74 Ford as the guys hope to improve power of this weak 351 Windsor. New rubber, rims and custom exhaust will wrap up Stage 1.

Jeremy and LT get inspiration on what the F100 could become when concept designer Daniel Maffett draws us three options, then they perform a top end kit to freshen the weak 351W.

To get the '30 Ford street rod down to the ground, the guys cut the frame in half, drop it 8 inches then weld it back together all to get this chassis "sittin' in the weeds."

Truck Tech is advancing two projects at once, LT tackles a rear end upgrade on the F100 and Jeremy starts a supercharger install on Klassy K5.

Anti-Crash Concept, Willys Jet Car Crash, Ejection Seats For Sale, Hyundai Logo, And Sedan Squeeze!

Slowest Police Chase, Reverse Through Traffic, GT-R Transmission, Tesla Motorcycles, Back Seat Alarms, And Fast Fails!

Poor Valet Parking, Motorcycle-Jet Ski Hybrid, GM Exec Pace Car Crash, Insane Motorcycle Save, And Kia Vs. Ford

Porsche Emissions, Uber Uses, Shelby Auction, Ram Luxury SUV, Tunnel Prototype, And Fast Fails

Driveway Rescue, Hot Wheels Anniversary, Bullet Train Departure, Shelby Super Snakes, And Airless Tires

Sunken Jaguar, Banned BMW Commercial, Keyless Ignition Danger, New PowerNation, And Fast Fails

It’s all on the line as we take our newly converted Spec Z race car back to the track to find out just how much better it performs

The final upgrade for our stock 350-Z are aerodynamic front and rear fascia.

We’re modifying reinstalling our stock dash for a clean look.

Keeping Cool On-Track - Upgrading the Radiator, Braking, Wheels & Tires

Replacing the Stock Differential With a Race Proven L-S-D!

With our roll cage installed, we're going to upgrade the 350's stock suspension to a race ready stance. We're adding new coil over shocks, struts and springs so we can really lean on our Spec Z once we're back at the track.

Obviously, you should always do a quick once-over of your vehicle before…

This is a first. There's been a lot of things "tested" as tires. From…

Sometimes you come across a deal that's too good to be true. And that's…

If you haven't been following, John Cena and Ford have been battling it…

This week on PowerNation we visit with Stan Wofford and check out the…

Watch the latest video at [foxnews.com](http://www.foxnews.com) It was…