hello guys.. wanna ask... i drive a wira 4g13 fuel injection. i hav done a few engine mods, apexi filtercharger, denso iridium plugs, stromberg power booster and plug cables, lightened crank pulley, lightened adjustable cam pulley, jasma 272 camshaft, 4-2-1 extractor.
but except the 4-2-1...