Current Project Cars

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Oct 07, 2025
1996 Mazda Miata

The perfect formula for a budget-friendly endurance racer car? We try stuffing a GM LFX V6 into an NA-chassis Miata.

Sep 30, 2025
1992 Mazda Miata

This 1992 Miata has been with Grassroots Motorsports since 1998. It’s a keeper. 

May 02, 2025
1987 Mazda RX-7

In a world dominated by modern Supras, BMWs, and Corvettes, this 38-year-old Mazda RX-7 remains steadfast in preserving the retro spirit of the '80s and '90s Japanese time attack scene.

Feb 07, 2025
2019 Mazda ND MX-5

We seek out to build an MX-5 that’s equally adept at autocross, circuit use and comfortable cruising.

Completed Project Cars

View our list of completed project cars.

Completed project cars
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