Archives: Air Density

Outlaw Sprint & IMCA Racing 4-24-2020

410 outlaw sprint cars & IMCA modifieds race April 24, 2020 at Park Jefferson Speedway, 48426 332nd Street, North Sioux City, SD 57049 Phone: 712-202-5540 Free air density hourly forecast for tuning; historical, metric, DA, AD, water grains; site Map location

Still Shipping Fuel Injection, Methanol, Nitro Racing Tech Books

Note Latest Addition: All of our Book Inventory was packaged and shrink wrapped before the December, 2019.  A gift of one or more of our books to your favorite racer should be free of the latest COVID 19 spread that going around. Note: While many around the world are shutting down, we are still shipping […]