
1) Engine technology
Found on
https://www.crosswordclues.com/clue/rev-limiter

A rev. limiter is a device fitted to an internal combustion engine to restrict its maximum rotational speed. This is usually carried out to prevent damage to the engine, however sometimes these devices are fitted to prevent an engine reaching the point at which it develops maximum power. This may be useful in a driving school car or similar, or ut...
Found on
http://en.wikipedia.org/wiki/Rev_limiter

Also known as an
Found on
https://www.encyclo.co.uk/local/22370

Electronic/computer device in the engine control unit that causes a controlled engine misfire if RPM exceed the limit set by INDYCAR rules. The limit is 12,000 RPM. The rev limiter is used primarily to control speeds upon entry to pit lane.
Found on
https://www.indycar.com/Fan-Info/INDYCAR-101/Glossary

This is the highest number of revolutions per minute (rpm) that a car can physically reach within a given gear. This information can be seen on your dashboard, by looking at your tachometer. There you will see the red line which ends at a number which your vehicle’s engine is limited to.
Found on
https://www.thextremexperience.com/racetrack-glossary/
No exact match found.