Quote Originally Posted by liman View Post
Just wondering what's the effect of changing a fuel pump?
I've googled it and I can only found out that it flows more fuel at higher pressure.

So does it actually consume more fuel?
Does it give any performance increase?

Cheers.
Replacing Walbro fuel pump it self wont do any performance increase.
People used this set up when stock fuel pump is not pumping enough fuel .