What is the meaning of DOHC in engine?
DOHC Dual overhead cam engines
Dual overhead cam engines are found in most modern vehicles today. They allow better airflow with less obstruction and are generally much more efficient engines than OHV or SOHC engines. Two camshafts operate 4 valves per cylinder, one separate camshaft for intake and exhaust valves.
Is VTEC and DOHC the same?
The performance i-VTEC system is basically the same as the DOHC VTEC system of the B16A’s. Both intake and exhaust cams have 3 cam lobes per cylinder. At higher RPM, both intake valves run off the larger intake cam lobe, improving total air flow and top-end power.
What does DOHC stand for in Honda engine?
From the REV used in motorcycle engines, Honda developed the DOHC (Double Overhead Camshaft) VTEC system for automobiles. The DOHC VTEC improved the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM.
When did the DOHC VTEC engine come out?
The DOHC VTEC improved the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM. Since its first introduction in 1989, the VTEC technology has completely changed the way the world looked at engines.
How does Honda 2.4L DOHC I-4 engine work?
The transversely oriented 2.4L also stands more upright now, whereas the previous engine vented on the back side and slanted rearward 15 degrees. All this technology adds up to an engine that caught WardsAuto editors off-guard for its power and smoothness.
What kind of engine does a Honda Civic have?
The D Series engine is either SOHC or DOHC, and might include VTEC variable valve timing. Power ranges from 66 PS (49 kW) in the Logo to 130 PS (96 kW) in the Civic Si.