i've check from web...1.2cc onli...
but seriously adding 1 dohc head sure cannot win mivec..
if can win then all 4g92p also put dohc loh...nonit mivec edi rite:)
The AVCR on my car cannot function well, cant control the boost, any recommend shop to do the tunning?? Or just change to HKS EVC 5 will be better? yours suggestion is appreciate,thanks..