Testing carburetors on an engine dyno can sometimes be misleading. We've all seen tests showing large-cfm carburetors making more power—even on a small engine that nobody in their right mind would run ...

US producer of uncrewed aerial vehicles (UAVs) General Atomics Aeronautical Systems has completed durability testing on a new engine powered by heavy aviation fuel. The new powerplant, dubbed the ...

The GM performance enthusiast quickly recognized and embraced the benefit of instrumented testing in its ability to extract the most power from an engine. This was in part due to the acceptance of ...

Last summer, we embarked on a mission to build a gigantic Windsor engine that would perform admirably on pump gas and still be worthy of competing at a True Street Challenge. Pump-gas performance has ...