I looked at a set of OG rims for my starlet about 6 years ago 15x9 et0 four spokes with a 5 inch dish.... they were fuckin wicked but they only had bronze left so I opted out..... The arch worh was going to be a right mission lol quite beast though
Take the air filter elbow off and see if the compressor wheel spins . It sounds like it may have seized If you have checked for boost leaks and made sure the actuator is holding then it can't be much else