Engine swap

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An engine swap is the process of removing a car's engine and replacing it with another; this is done either because of failure, or to install a different engine, usually one that is more powerful or more up to date and maintainable.

While one can work wonders with engine tuning to achieve greater power, the same techniques applied to a better engine are unlikely to be much more expensive and may be much more rewarding.

An engine swap can either be to another engine intended to work in the car by the manufacturer, or one totally different. The former is much simpler than the latter, of course. To fit an engine the car was never intended to take may require much work -- modifying the car to fit the engine, modifying the engine to fit the car, and building such things as custom engine mounts to interface them.

A common anecdote among tuners is that the easiest way to make a car faster is to drop in a Corvette engine or a small block 350 and be done with it. Other popular engine swaps are putting a Porsche engine or a turbocharged engine from a Saab 900 in a Saab 99 or BMW[link] in a VW Beetle .

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