ask for opinion from a fren to swap in YRV 1.3 into my kelisa & my kelisa stock to my 660. he said not a good time to buy halfcut coz now expensive time. he ask what car do u really want to mod & i said my 660 & don't want turbo. then he suggested to get a 1.3 high compression piston & rebore the stock engine & sum other things to change & wallah i'll get i hella ride. so sifuses, ever seen anyone done it, coz he's driving 1 & i think i wanna do it but in the long run who knows coz he also...