What motors will fit in a 1985 Toyota MR2?

The 1985 Toyota MR2 originally came with a 1.6L 4A-GE inline-four engine. However, enthusiasts often swap in other engines for performance upgrades, with popular options including the 3S-GTE turbocharged engine from the Toyota Celica GT-Four, and the 4AGE 20V engine for enhanced performance. Additionally, some may consider V6 conversions, such as the Toyota 1MZ-FE, but these require more extensive modifications. Overall, the choice of engine will depend on the desired performance and the extent of modifications the owner is willing to undertake.