Long story short... Looking for opinions on what to do with a P30 engine that was recently rebuilt but discovered to have a cracked block. I am replacing the engine with F54 from '83zx with SU's. Before I trash the whole 240 engine i was wondering if there was any reason to keep or use any internals from the P30 block or E88 head? The PO said it had new pistons/rods and the head was rebuilt. Don't want to throw something away that I could use down the road but also don't want to store an entire engine in my garage.