neondeon

Hi every one. im new to modding and i need help. I cant seem to get my modded cars to show. everytime i use my trainer the original car shows up. EX.spawn Banshee>Banshee instead of spawn Banshee>Chevrolet Corvette. I've tried loading my mods with SAMI but nothing happens ingame and the same with manually installing it.I've also tried IMG tool. Please help. I've already downgrade my version of gta sa