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A Honda K24A Engine with i-VTEC. VTEC (described as Variable Valve Timing & Lift Electronic Control, but stands for Valve Timing Electronically Controlled) is a system developed by Honda to improve the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM.
Honda J35A 3.5L V6 SOHC i-VTEC Variable Cylinder Management(VCM) Engine on 2008 Honda Inspire. Variable Cylinder Management (VCM) is Honda's term for its variable displacement technology, which saves fuel by using the i-VTEC system to disable one bank of cylinders during specific driving conditions—for example, highway driving.
In Honda's 2006 Civic Hybrid, the 1.3-liter i-VTEC engine uses a 3-stage valve design, an advancement from the 2005 i-VTEC technology. Aside from weight and friction reduction, the engine operates on either low-speed timing, high-output timing or 4-cylinder idling when the VCM system is engaged, each yielding better engine output upon varying ...
Early variable valve timing systems used discrete (stepped) adjustment. For example, one timing would be used below 3500 rpm and another used above 3500 rpm. More advanced variable valve timing systems offer continuous (infinite) adjustment of the valve timing. Therefore, the timing can be optimized to suit all engine speeds and conditions. [2] [3]
The J25A displaced 2.5 L; 152.3 cu in (2,495 cc). Its bore and stroke was 86 mm × 71.6 mm (3.39 in × 2.82 in). The J25A used a 10.5:1 compression ratio and was a SOHC VTEC design. Output was 200 hp (149 kW) at 6200 rpm and 24.5 kg⋅m (240 N⋅m; 177 lb⋅ft) of torque at 4600 rpm.
The all-new 2023 Honda Pilot will arrive with a new V-6 engine under the hood. The 3.5-liter J35Y8 engine is the first dual-overhead cam naturally-aspirated V-6 to come from Honda since the ...
Honda K24A4 2.4L DOHC i-VTEC Engine installed in 2003 Honda Accord. The Honda K-series engine is a line of four-cylinder four-stroke car engines introduced in 2001. The K-series engines are equipped with DOHC valvetrains and use roller rockers on the cylinder head to reduce friction.
The Honda R engine is an inline-four engine launched in 2006 for the Honda Civic (non-Si). It is fuel injected, has an aluminum-alloy cylinder block and cylinder head, is a SOHC 16-valve design (four valves per cylinder) and utilizes Honda's i-VTEC system.