Latest Videos

The lap that won the 2022 UTCC | Brian Faessler's Mustang GT350R fast lap of VIR | Video
Posted by Colin Wood on May 20, 2022, 3:53 p.m.

What does a sub-1:50 lap of Virginia International Raceway look like? Something like Brian Faessler’s 1:49.057 lap, which him the top spot in the 2022 Tire Rack Ultimate Track Car Challenge Presented by Grassroots Motorsports.

Read more about Brian Faessler’s Mustang here, and check out the results from the 2022 UTCC here.

Autocross, hillclimb, time trials and road racing–this Corvette has done it all | Tracy Gaudu and her C6 Z06 | Video
Posted by Colin Wood on May 17, 2022, 8:42 a.m.

Which car did you learn to drive stick in? For Tracy Gaudu, her classroom was a C6 Corvette Z06.

That was back in 2007. Now, with an autocross national title under her belt, she uses her Corvette for hillclimbs, time trials and even NASA road racing.

Presented by CRC Industries.

Is this the ultimate BMW GT4 race car? | Video
Posted by Chris Tropea on May 14, 2022, 8:31 a.m.

If you could make a track car that had no limits on its performance, what would it look like? Let BimmerWorld give you an idea with its latest creation, the BMW M4 GTMore.

[Meet the Bergsteiger, BimmerWorld's 1000-plus horsepower E36-chassis BMW M3 Pikes Peak racer]

The goal? Build the ultimate GT machine–no restrictions, no caps on power and no rules to follow.

Video: Is This the Fastest S550 Ford Mustang?
Posted by Chris Tropea on May 14, 2022, 8:30 a.m.

How was an S550-chassis Ford Mustang able to chase down prototype cars and secure the win at the 2020 Tire Rack Ultimate Track Car Challenge?

According to Brian and Paul Faessler from Paul's Automotive Engineering, the creators of this track machine, it all started with a V6 Mustang, a turbocharged Coyote V8 and a lot of time and effort. Presented by CRC Industries.

Like what you're reading? We rely on your financial support. For as little as $3, you can support Grassroots Motorsports by becoming a Patron today. 


The fastest project car to lap the official GRM test track? | C5 Z06 FIRM fast lap | Video
Posted by Colin Wood on May 11, 2022, 8:44 a.m.

Just how quick is our C5 Corvette Z06 project car? How does three whole seconds faster than a C8 Corvette Z51 sound?

During a recent visit to the FIRM, the official test track of Grassroots Motorsports, we set a 1:13.7-second lap–ride along and experience it for yourself.

The proper way to design a chassis-mounted splitter | Video
Posted by Chris Tropea on May 10, 2022, 12:55 p.m.

Looking to add more downforce at the front of your car? Why not try adding a chassis-mounted splitter?

We needed to balance out the aerodynamic upgrades on our LS-swapped Nissan 350Z, so we visited both Morlind Engineering and Nine Lives Racing to learn how to properly design, fabricate and install a chassis-mounted splitter.

Presented by CRC Industries

The true inspiration behind the Mazda Miata? | MGB vs. Miata comparison | Video
Posted by Chris Tropea on May 9, 2022, 6:01 p.m.

What was “the answer” before the Miata existed? Try the MGB. Like the Miata, it’s a lightweight, two-seat roadster that didn’t break the bank.

How do the two compare? We drove both back-to-back to find out. Presented by CRC Industries.

Building a running miniature rotary engine from scratch | Video
Posted by Colin Wood on May 6, 2022, 8:47 a.m.

Think a rotary engine just isn't complicated enough for you? Why not try building a running version in miniature?

You can sit and watch the final components of this build come together, or you can skip to 10:57 to see it run.

Lapping Mount Panorama–in a kart | Video
Posted by Colin Wood on May 5, 2022, 8:49 a.m.

How do you make Australia’s Mount Panorama Circuit even more intimidating? How about running it in a kart?

In case that’s not wild enough, this Uberkart–as the video description calls it–doesn’t feature any sort of suspension.

How to get 40 mpg from a Ford 302 V8 | Video
Posted by Colin Wood on April 29, 2022, 12:22 p.m.

Ever do something absurd just for the fun of it, but then accidentally make something that works a little too well?

That’s pretty much the story of how this person managed to get 40 mpg from a Ford 302 V8 by just replacing the carburetor with one from a lawnmower.

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