VTi on honda means variable timing ignition....where in the fuel flow and the ignition pattern is controlled by a microcontroller with the help of inputs from a lot of sensors that are attached to the engine and the transmission this helps in saving fuel and adding more power to the vehicle.....the exact algorithm ...
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Will advancing timing make a car run more lean or rich? - Quora. Neither ! Advancing Ignition timing does not effect air/fuel ratio unless it's extremely late that manifold vacuum pressure drops so low causing the map sensor, metering rods to enrich the fuel mixture.
What does HEMI 5.7 L V8 Multi Displacement VVT mean?
Chrysler's Multi-Displacement System (MDS) is an automobile engine variable displacement technology. It debuted in 2006 on the 5.7 L modern Hemi V8. ... This includes four separate mufflers, two large central ones for V8 mode and two smaller ones near the tailpipes for four-cylinder mode.
Yes. In the case of both valve timing and distributer timing (in older cars with a spark distributer) changing the timing will affect the idle speed at the same throttle setting, because it will affect the efficiency of the engine at that throttle setting.
The performance oriented i-VTEC incorporated valve lift and timing (VTC) on both the intake and exhaust sides. Engines like the K20A, K20A2, K20Z1, K20Z3, K24A2, and K24A3 have the performance version of i-VTEC.15 mar 2021