Originally Posted by
chuK_138
You aren't increasing boost with any of the mentioned mods you listed, just flowing a bit more air. These engines run pretty rich stock so the need for more fuel is only necessary when you start getting to the 20 psi range. Depending on your altitude, you could just be spending extra cash.
I am already running the 65mm pulley. Gonna stack it with either the 178 or 181. Leaning more towards the 178. From wut ive read, it seems more user friendly.