This test is all about choosing the features you want and need on your carburetor, and how those features affect horsepower and tunability. Do mechanical secondaries really make any more power than vacuum-power ones? Does a choke horn restrict inlet airflow? We'll help you decide what's best for your application on this episode of Engine Masters presented by AMSOIL.

We all know oil pressure is critical. Not enough can leave you broken, and too much can have you springing leaks. But can too much also be robbing precious horsepower? To find out, the guys test three commonly ordered LS oil pumps in different volume and pressure configurations to see if oil pumps can in fact be enough of a rotational drag to affect power production.