The answer to that is way to general. It's close to,
"If I add one hand full of rice crispier to my dog food, will a pigeon blow up after dark on a blue moon in June during a Kilgon attack on the Enterprise with Green women?"
Hugesengines posts the flow rates of both heads. When you get to know engines and how they work, your question becomes self answerable. Do realize that the answer is never a constant. It changes each time something is different.
So if someone said there is a 50HP increase between the heads, there blowing enough smoke up your *** that it is bleeding through your eye balls because there's that much smoke.