#6563, "RE: so i just picked up an evo3 16g" In response to In response to 2 Oct-23-06 07:24 PM by burntheblobs
Definitely port that hump if you will be running low boost levels. Anything over 18 psi and you most likely wont need to port it though. I have that hump ported, and I am currently running 7 psi on the evo 3 ha. (Don't ask)
1991 Mitsubishi Eclipse GSX - SOLD 2006 Mustang GT Convertible