1, use sr20 turbo (come 4000rpm)?
2,port n polis head
3,store piston n rod
4,ecu 0bd0 (what is the best ecu to use) stand alond?
5,510 evo injecter
6,255 fuel bump...
Does anyone know how to install a 4-wire o2 sensor for vr4 200? My old one uses single wire & it's not functioning properly anymore, so I bought a 4-wire sensor ie. includes heating element and ground.