How much HP does a E303 cam add?
How much HP does a E303 cam add? You may see a 10-15 horsepower gain by swapping the cam, which isn't bad, but it can be made up for in so many different ways. Will a B303 cam work with stock heads? It will not work well with the stock exh system, but throw on headers and decent 2 1/2" dual system and it will really do well. What cam is better B303 or E303? B303 states it provides significant HP gains above 4000 RPM (OK what is happening below that, since it also states it has good low-end torque....