there are a few 1.6L engine suitable for conversion,
start from 4g92p(proton engine-single cam), 4g92(Mivec-Twin cam), 6a10 V6(heavy engine)
or u might consider 4g93 which is 1.8L engine from putra or satria gti or halfcut from japan.
wah sky wake up damn early, still got white smoke from you car?