At Say When Motorsports, we go beyond standard repairs to deliver high-performance diesel solutions that drivers in Cabot, Arkansas and across Central Arkansas can count on. Our team brings over 60 years of combined automotive expertise, specializing in custom-built diesel engines, precision ECU tuning, and advanced diagnostic services for Cummins, Duramax, and Power Stroke platforms. Whether you’re building a tow rig, daily driver, or street machine, we tailor each build to match your exact needs and performance goals. In addition to diesel work, we also handle gas engine builds, ATV and UTV repair, and full-service off-road vehicle upgrades—making us a one-stop shop for power, performance, and reliability. When you're ready....SAY WHEN! Go to full description...