Doug Schriefer, Barry Grant's tech specialist for racing carburetors, would like you to know that-much as many stock car racers may think-carburetor tuning is not voodoo. It is true that many racers ...

Often the solution is very simple: restrict the carburetor. An engine has to have air and fuel to make power, and if you cant get oxygen into the combustion chambers, everything you do is going to be ...