im using e3 engine with minor mod..juz s90 70mm throttle body, 650cc injector, emanage, and 86mm sr20 piston, toda 1.5mm gasket, hks head stud.. izit no problem wit my engine if im using ar70 gt35 turbo with standard...
I guess this is my first post in this thread. I've change my Sei engine to 2.0 evo engine 3 months ago. All still standard. Just change the metal gasket.