my fren told me bout this autocross thing, currently im driving a 1.6 wira auto but changed my engine to 1.8 soch 4g93 cuz my old engine koyak ledi. Everything else is still same which is the 1.6 wira specs except my engine only. can i participate in this autocross event? what qualification do i need? Will people laugh at my car inside the same category? Are there any website showing the latest upcoming events for this autocross thing?