theres no power fc for evo 4 BUT u can use the power fc from evo 5 or 6 on evo 4with minor mod on 1 wiring,if not mistaken the charging from alternator or something similiar to that,wireman can kaotim it easily
Hi all sifus,
I have 3sgte engine running with upgraded custom turbo fins with ball bearing in stock housing. Also installed the wastegate rated at 10psi. Ever since the upgrade my boost has been unpredictable. Prior...