Stuffing a V8 in an older Miata is cool, but it’s not all that original. Flyin’ Miata even offered swap kits until emissions regulations forced it to stop. Even the folks running the SEMA show ...

A safety cage will cost an extra $2,000. A donor NA or NB Miata is also needed for the sub-frames, with the engine bay big enough to hold an LS V8 and a 1.8-liter Miata engine. The 15 Most ...