Mazda Miatas are small cars with small engines, but you can actually swap in a few other ones out there. Typically, all you need is the engine and a kit.
One of the most popular engine swaps for tuners is the Honda K24 engine, which is both reliable and scalable for a variety of customization car builds.
The fifth generation is arguably the best out of all of the Honda Preludes. Due to its peppy acceleration and responsive steering, it shouldn't be overlooked.