Is some intercooling better than no intercooling?
Not always, it depends on the design of the intercooler, and there are two factors involved; efficiency (how much heat is removed) and the flow restriction (lost pressure) created by the presence of the intercooler. Just buying an intercooler off of the internet or from a wrecking yard and bolting it onto your car may not give any performance advantages; in fact it can even hurt performance if the supply tubes and intercooler are so restrictive that it reduces pressure beyond the initial boost pressure. It is always best to get an intercooler that has been designed for the specific application you will be using it on.
