What exactly are you asking here? If you're asking whether you should keep the tranny to use on another car, my answer would be that it will only bolt up other 88-91 Preludes. Those B-series engines are not parts compatible with the rest of the B-series family (B16, B18, CR-V B20, etc.). So I guess I would say no, it's not worth hanging on to. I'd hit up Craigslist and see if anyone's looking for a Prelude transmission...