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2. Engine tuning - Wikipedia

   en.wikipedia.org/wiki/Engine_tuning

   Vintage engine testing equipment that can test ignition timing, ignition dwell, manifold vacuum and exhaust emissions. Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be ...

3. Car tuning - Wikipedia

   en.wikipedia.org/wiki/Car_tuning

   A cutaway of a turbocharger, used to increase the performance of an engine. Engine tuning is the process of modifying the operating characteristics of an engine. In a typical engine set-up, there are various mechanical and electronic elements such as the intake manifold, spark plugs, and mass air flow sensor.

4. Nitrous oxide engine - Wikipedia

   en.wikipedia.org/wiki/Nitrous_oxide_engine

   A nitrous oxide engine, or nitrous oxide system (NOS) is an internal combustion engine in which oxygen for burning the fuel comes from the decomposition of nitrous oxide, N 2 O, as well as air. The system increases the engine's power output by allowing fuel to be burned at a higher-than-normal rate, because of the higher partial pressure of ...

5. Water injection (engine) - Wikipedia

   en.wikipedia.org/wiki/Water_injection_(engine)

   Adding water increases the mass being accelerated out of the engine, increasing thrust and it also serves to cool the turbines. Since temperature is normally the limiting factor in turbine engine performance at low altitudes, the cooling effect lets the engine run at higher RPM with more fuel injected and more thrust created without overheating ...

6. Tommykaira ZZII - Wikipedia

   en.wikipedia.org/wiki/Tommykaira_ZZII

   The engine's displacement was increased from its original 2.6 L (2568 cc) to 2.7 L (2700 cc), as well as other modifications to increase power including forged aluminum pistons with titanium-coated rings, new connecting rods with inverted H section, lightened and balanced crankshaft, racing ignition, polished valve seats, metal head gasket, re ...

7. Nissan VQ engine - Wikipedia

   en.wikipedia.org/wiki/Nissan_VQ_engine

   With an increase in compression ratio from 10.3:1 to 10.6:1, these changes add 6 more horsepower (306 hp (228 kW) total + 3 hp ram air effect not measured by SAE testing = 309 hp (230 kW)). Peak torque is up 8 pound-feet (11 N⋅m) from the older "DE" engine at 268 lb⋅ft (363 N⋅m) and the torque curve is higher and flatter across most of ...