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Originally Posted by tone loc
what does it to mean stroke an engine?
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To increas the stroke (the amount the piston moves up and down in the cylinder). This is done by replacing the crankshaft. It increases the displacement of the engine and (usually) the power output.
The downsides are:
- Can lower the max rpm (all other factors being equal)
- Can make the engine worse for turbo charging (not sure of the reason, honestly).