Kit cars are typically an inherently ... It needs an engine swap. All V6 Pontiac Fieros used the unkillable but hardly high-performance L44 2.8-liter making 140 horsepower and 170 lb-ft of ...

Since 1946, these Italian icons have been turning heads, from stylish city riders to hardcore two-stroke ... kit for Vespas. It swaps out a classic Vespa’s internal-combustion engine for a ...

But what about a sports car? Can a two-stroke engine's performance advantage outclass a powerful four-stroke-engined car? The ...