Weber 32/36. But you will have to fabricate an adapter for the intake manifold, as well as for the a/c step up motor and throttle position sensor. You will also lose the emissions controls (line to charcoal cannister).
Or you can perhaps buy one of these which will bolt up direct to the intake manifold. You will only have to switch around the throttle control assembly from the old carburetor to the new one (this carburetor is for the 4g15 engine in the Proton Wira).
http://www.ehautolink.com/webshaper/sto ... oducts.aspThe CIF price to Trinidad is US$280.00. Note, you still have to add VAT and Duty charges to this.