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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.
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.
At least one reference holds "EHEC" to be mutually exclusive of "VTEC" and "STEC", [3] but this does not match common usage, as many more publications lump all of the latter in with the former. The current microbiology-based view on "Shiga-like toxin" (SLT) or "verotoxin" is that they should all be referred to as (versions of) Shiga toxin , as ...
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. The second version of VCM (VCM-2) took this a step further, allowing the engine to go from 6 cylinders, down ...
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 ...
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. The R series engine has a compression ratio of 10.5:1, features a " drive by wire " throttle system which is computer controlled to reduce pumping losses and create a smooth torque ...
At the time of launch, three variants were offered: i-VTEC (Standard), i-VTEC Oriel and VTEC Turbo. i-VTEC and i-VTEC Oriel trims came with the 1.8-litre R18Z1 I4 petrol engine producing a total output of 140 hp (104 kW) and 174 N⋅m (128 lb⋅ft) of torque, while the VTEC Turbo trim came with the 1.5-litre L15B7 I4 turbo petrol engine ...
In May 2004, alongside the introduction of a 2.0L i-VTEC variant, a 1.7-liter VTEC variant unofficially replaced the 1.7-liter VTi-S variant. [19] Two limited-edition seventh-generation Honda Civics were produced; once in April 2003 with 60 units known as the Civic RX [20] and in January 2005 with 150 units known as the Civic RX2. [21]