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v8hunter
Hunter
😎 #CloroxMistChallenge #LinkBudsNeverOff #fyp #fypシ #foryoupage #zxycba #like #follow #viral #cars #carguy #hyundai #CloroxMistChallenge #foryou #fyp
29 Likes, TikTok video from Hunter (@v8hunter): «😎 #CloroxMistChallenge #LinkBudsNeverOff #fyp #fypシ #foryoupage #zxycba #like #follow #viral #cars #carguy #hyundai #CloroxMistChallenge #foryou #fyp». hyundai DOHC 16v engine lore original sound — braylen.
452 views|
original sound — braylen
marjinal7834
Altan
Dikkatli bakan ustalar ayrıntıyı fark eder 🙂 #hyundai #sonata #engine #sanayi #motor #fyp #2000cc #dohc #dohc16v #2000gls #revizyon
TikTok video from Altan (@marjinal7834): «Dikkatli bakan ustalar ayrıntıyı fark eder 🙂 #hyundai #sonata #engine #sanayi #motor #fyp #2000cc #dohc #dohc16v #2000gls #revizyon».
orijinal ses — Volkan Kahraman.
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orijinal ses — Volkan Kahraman
theiggynator
Iggymyster20☑️
Hyundai Getz G4ED 1.6 16Valve DOCH VERY RELIABLE, DAILY RUNNER Getz 1.6 Very Neat 161 000km Central locking Electric windows Aircon Reverse camera with touch screen 14 inch steelies with 80% tyre thread LED headlights Gearbox replaced less than a month ago from Mike’s Engines (spare gearbox also available, with all parts to assemble). Was nothing wrong with the box. Minor scratches on body. Please note, this is not a brand new car, but very neat and well looked after.
TikTok video from Iggymyster20☑️ (@theiggynator): «Hyundai Getz G4ED 1.6 16Valve DOCH VERY RELIABLE, DAILY RUNNER Getz 1.6 Very Neat 161 000km Central locking Electric windows Aircon Reverse camera with touch screen 14 inch steelies with 80% tyre thread LED headlights Gearbox replaced less than a month ago from Mike’s Engines (spare gearbox also available, with all parts to assemble).
Was nothing wrong with the box. Minor scratches on body. Please note, this is not a brand new car, but very neat and well looked after.». For sale dm me Duck Vibes — Vibekulture Sa & Mcdeez Fboy.
340 views|
Duck Vibes — Vibekulture Sa & Mcdeez Fboy
winwinchannel1
WinWin Channel
Power Gila Satria GTI DOHC 16 Valve Turbocharge #satria #gti #doch #power #turbo #fyp #foryou
58 Likes, TikTok video from WinWin Channel (@winwinchannel1): «Power Gila Satria GTI DOHC 16 Valve Turbocharge #satria #gti #doch #power #turbo #fyp #foryou». original sound — Win2Win — WinWin Channel.
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original sound — Win2Win — WinWin Channel
rol_saharolrizat82
Rol part wan
Wira gsrt kecai lagi#rpwgarage
929 Likes, 57 Comments.
TikTok video from Rol part wan (@rol_saharolrizat82): «Wira gsrt kecai lagi#rpwgarage». Wira gsrt nk kecai
Ada yg mencari part boleh rojer2
Engine cun
Bunyi mesin jahit tu
Lifter kita tukar baru
Ada part2 yg naik mato
Rojer2 geng
#0123507008
#terimakasih Aku Bukan Bang Toyib — Wali.
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Aku Bukan Bang Toyib — Wali
meca_systema
⚙🛠 meca systema 🛠⚙
mechanic lige #16v #dohc #engine #assembly #mechanic #foryou #auto #car #mecanica #engineer #mechaniclife #crank
3.6K Likes, 22 Comments. TikTok video from ⚙🛠 meca systema 🛠⚙ (@meca_systema): «mechanic lige #16v #dohc #engine #assembly #mechanic #foryou #auto #car #mecanica #engineer #mechaniclife #crank #block #twincam #механік #16valve».
оригинальный звук — Jamix Project.
67K views|
оригинальный звук — Jamix Project
meca_systema
⚙🛠 meca systema 🛠⚙
DOHC #auto #car #twincam #dohc #mechanic #4stroke #engine #jdm #4stroke #combustion #mecanica #spark #jdmengine #automotive #foryou #механік
6.4K Likes, TikTok video from ⚙🛠 meca systema 🛠⚙ (@meca_systema): «DOHC #auto #car #twincam #dohc #mechanic #4stroke #engine #jdm #4stroke #combustion #mecanica #spark #jdmengine #automotive #foryou #механік». Twin Cam 16V 4 Stroke | Tensioner | Idler оригинальный звук — Jamix Project.
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оригинальный звук — Jamix Project
s_l_a_m_m_e_d_
s_l_a_m_m_e_d_
Reply to @adams4b5 #cossie #cosworth #sierra #ford #DOHC 16-V TURBO
129 Likes, TikTok video from s_l_a_m_m_e_d_ (@s_l_a_m_m_e_d_): «Reply to @adams4b5 #cossie #cosworth #sierra #ford #DOHC 16-V TURBO».
DOHC 16-V TURBO оригинальный звук — spn love.
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оригинальный звук — spn love
zakispec
zakispec
Fully modd wira 4G63 evo3 from Melaka by zakispec 🔥 tq owner for ur support 😎 #proton #protonwira #wiraevo #4G63 #mitsubishi #dohc #enginebay #overhaul #zakispec #zlraceworks #pejuangkelajuan #enginebuilder #fypシ #fyp #foryourpage #tiktokmalaysia
2.9K Likes, TikTok video from zakispec (@zakispec): «Fully modd wira 4G63 evo3 from Melaka by zakispec 🔥 tq owner for ur support 😎 #proton #protonwira #wiraevo #4G63 #mitsubishi #dohc #enginebay #overhaul #zakispec #zlraceworks #pejuangkelajuan #enginebuilder #fypシ #fyp #foryourpage #tiktokmalaysia».
53.3K views|
DJ Keju Joget Yang Lagi Viral Di Tiktok — DJ Kapten Cantik
DOHC and SOHC engines: differences, advantages and disadvantages
Content
- 📌What is SOHC engine
- SOHC engine history
- 📌What is a DOHC engine
- The history of the creation of the DOHC engine
- DOHC with two valves per cylinder
- DOHC with four valves per cylinder
- 📌How does DOHC differ from SOHC and from other types of engine
- 📌Advantages and Disadvantages of DOHC
- 📌Advantages and disadvantages of SOHC
- Questions and answers:
Before choosing a car, the future car owner is faced with a mass of information, comparing thousands of characteristics. This number includes the type of engine, as well as the layout of the cylinder head, which will be discussed further.
What is a DOHC and SOHC engine, what is their difference, device, advantages and disadvantages — read on.
Single Over Head Camshaft (single overhead camshaft) — such motors were at the peak of popularity in the 60-70s of the last century. The layout is an overhead camshaft (in the cylinder head), as well as several valve arrangements:
- bringing the valves through the rocker arms, which are mounted on a separate axis, while the inlet and outlet valves are arranged V-shaped. A similar system was widely used on American cars, the domestic engine UZAM-412, was popular due to the excellent purge of the cylinder;
- actuating the valves with the help of rockers, which are affected by the cam force of the rotating shaft, while the valves are arranged in a row;
- the presence of pushers (hydraulic lifters or thrust bearings), which are located between the valve and cam cam.
Today, many manufacturers of cars with an 8-valve engine use the SOHC layout as the base, respectively, cheap version.
SOHC engine history
In 1910, the Maudslay company applied a type of gas distribution mechanism, which was special at that time, on the 32 HP models. The peculiarity of an engine with such a timing is that there is only one camshaft in the mechanism, and it was located above the cylinders in the block head.
Each valve could be driven by rocker arms, rockers or cylindrical pushers. Some engines, such as the Triumph Dolomite Sprint ICE, use different valve actuators. The inlet group is driven by pushers, and the outlet group is driven by rockers. And for this, one camshaft was used.
📌What is a DOHC engineWhat is a DOHC engine (two overhead camshafts) — is an improved version of SOHC, due to the presence of two camshafts, it was possible to increase the number of valves per cylinder (usually 4 valves), two types of layout are currently used:
- two valves per cylinder — the valves are parallel to each other, one shaft on each side;
- four or more valves per cylinder — the valves are installed in parallel, one shaft of a 4-cylinder engine can have from 2 to 3 valves (VAG 1.
8 20V ADR engine).
8 20V ADR engine).The most widespread DOHC motors due to the ability to separately configure the intake and exhaust phases, as well as increasing the number of valves without overloading the cams. Now turbocharged engines exclusively have a layout with two or more camshafts, providing higher efficiency.
The history of the creation of the DOHC engine
Four engineers from Peugeot were involved in the development of the DOCH type timing engine. This team was later named the «Gang of Four». Before they started developing the project for this powertrain, the four were successful in car races. During their participation in races, the maximum engine speed limit was two thousand per minute. But every racer wants to make his car the fastest.
This development was based on the principle expressed by Zukkareli. According to his idea, the camshaft of the gas distribution mechanism was installed above the valve group. Thanks to this, the designers managed to exclude unnecessary parts from the design of the power unit.
And in order to improve the efficiency of gas distribution, one heavy valve was replaced with two lighter ones. Moreover, an individual camshaft was used for the intake and exhaust valves.
His companion, Henri, carried out the necessary calculations to introduce the idea of a modified motor design into the development. According to his calculations, the power of the internal combustion engine can be increased by increasing the volume of the air-fuel mixture that will enter the cylinders in one cycle of the power unit. This was achieved by installing two smaller valves in the cylinder head. They will do the job much more efficiently than a single large diameter valve.
In this case, the BTC will enter the cylinders in smaller and better mixed portions. Thanks to this, fuel consumption is reduced, and its power, on the contrary, is increased. This development has received recognition, and has been implemented in most modern powertrains.
DOHC with two valves per cylinder
Today, such arrangements are practically not used.
In the 70s of the twentieth century, the twin-shaft eight-valve engine was called 2OHC, and was used in sports cars, such as Alfa Romeo, rally “Moskvich-412” based on the cylinder head type SOHC.
DOHC with four valves per cylinder
A widespread layout that has found its place under the hood of thousands of cars. Thanks to two camshafts, it became possible to install 4 valves per cylinder, which means to increase efficiency due to improved filling and purging of the cylinder.
📌What is the difference between DOHC and SOHC and other engine typesThe main difference between the two types of motors is the number of camshafts and the valve actuation mechanism. In the first and second cases, the camshaft is always in the cylinder head, the valves are driven through rocker arms, rockers or hydraulic lifters. It is believed that the V-valve SOHC and the 16-valve DOHC have the same power and torque potential due to design features.
📌Advantages and disadvantages of DOHCOn the merits:
- fuel efficiency;
- high power relative to other layouts;
- ample opportunities to increase power;
- less noise due to the use of hydraulic lifters.
About the disadvantages:
- more wear parts — more expensive maintenance and repair;
- the risk of phase out of sync due to relaxation of the timing chain or timing belt;
- sensitivity to oil quality and level.
On the merits:
- cheap and easy maintenance due to the simple design;
- the ability to install turbochargers with a V-shaped arrangement of valves;
- the possibility of self-repair of motor maintenance.
About the disadvantages:
- much lower efficiency relative to DOHC;
- high consumption relative to the 16-valve engine due to insufficient power;
- a significant decrease in motor resources during tuning;
- the need for more frequent attention to the timing system (valve adjustment, inspection of pushers, timing belt replacement).
In conclusion, we offer a short video about the difference between these two types of motors:
SOHC vs DOHC | car tech labs
Смотрите это видео на YouTube
Questions and answers:
What cars have DOHC engines.
What machines are SOHC engines. If the car is an economy class, then it is most likely that the gas distribution mechanism of the engine of this model will have one camshaft for all valves. The peak of the popularity of such motors occurs at the end of the 60s and 70s, but in modern vehicles, modifications of power units with such a gas distribution mechanism are often found.
DOHC gas distribution motors have been used in cars since the 1960s. Initially, it was a modification with two valves per cylinder (one for the inlet, one for the outlet). The intake and exhaust valves relied on one camshaft. A little later, a timing belt with two camshafts appeared, only one cylinder relies on four valves (two at the inlet, two at the outlet). A complete list of such engines is difficult to compile, but the automaker indicates this configuration of the gas distribution mechanism with the appropriate inscription on the cylinder head cover or in the technical documentation.
This type of timing is evidenced by the corresponding inscription on the cylinder head cover.King Nissan QR25DE DOHC 16 клапанов (размер STD) Комплект коренных подшипников
Главная Продукты Комплект коренных подшипников King Nissan QR25DE DOHC 16 (размер STD)
59,57 долларов США
King Nissan QR25DE DOHC 16 клапанов (размер STD) Комплект коренных подшипников
Эта деталь подходит:
| Сделать | Модель | Подмодель | |
|---|---|---|---|
| 2014-2017 | Инфинити | QX60 | База |
| 2014-2017 | Инфинити | QX60 | Гибрид |
| 2002-2004,2006-2017 | Ниссан | Альтима | База |
| 2007-2011 | Ниссан | Альтима | Гибрид |
| 2002-2018 | Ниссан | Альтима | С |
| 2002-2009 | Ниссан | Альтима | СЕ |
| 2005-2006 | Ниссан | Альтима | SE-R |
| 2002-2018 | Ниссан | Альтима | СЛ |
| 2010-2012,2016-2018 | Ниссан | Альтима | СР |
| 2013-2018 | Ниссан | Альтима | СВ |
| 2013-2017 | Ниссан | Граница | Бегущий по пустыне |
| 2005-2010 | Ниссан | Граница | ЛЭ |
| 2005-2008 | Ниссан | Граница | Нисмо Внедорожник |
| 2009-2017 | Ниссан | Граница | ПРО-4Х |
| 2011-2019 | Ниссан | Граница | С |
| 2005-2010 | Ниссан | Граница | СЕ |
| 2011-2017 | Ниссан | Граница | СЛ |
| 2011-2019 | Ниссан | Граница | СВ |
| 2005-2010 | Ниссан | Граница | ХЕ |
| 2016 | Ниссан | Мурано | Платина |
| 2016 | Ниссан | Мурано | Платиновый гибрид |
| 2016 | Ниссан | Мурано | С |
| 2016 | Ниссан | Мурано | СЛ |
| 2016 | Ниссан | Мурано | SL Гибрид |
| 2016 | Ниссан | Мурано | СВ |
| 2014 | Ниссан | Следопыт | Платина |
| 2014-2015 | Ниссан | Следопыт | Платиновый гибрид |
| 2014 | Ниссан | Следопыт | С |
| 2014 | Ниссан | Следопыт | СЛ |
| 2014-2015 | Ниссан | Следопыт | SL Гибрид |
| 2014 | Ниссан | Следопыт | СВ |
| 2014-2015 | Ниссан | Следопыт | СВ Гибрид |
| 2010 | Ниссан | Разбойник | Кром |
| 2008-2020 | Ниссан | Разбойник | С |
| 2011 | Ниссан | Разбойник | S Кроме |
| 2008-2010,2014-2020 | Ниссан | Разбойник | СЛ |
| 2017 | Ниссан | Разбойник | SL Гибрид |
| 2011-2020 | Ниссан | Разбойник | СВ |
| 2017 | Ниссан | Разбойник | СВ Гибрид |
| 2014-2015 | Ниссан | Разбойник Селект | С |
| 2004-2012 | Ниссан | Сентра | База |
| 2002 | Ниссан | Сентра | СА |
| 2002-2003 | Ниссан | Сентра | GXE |
| 2003 | Ниссан | Сентра | Ограниченная серия |
| 2004-2012 | Ниссан | Сентра | С |
| 2002-2012 | Ниссан | Сентра | SE-R |
| 2002-2012 | Ниссан | Сентра | SE-R Spec V |
| 2007-2012 | Ниссан | Сентра | СЛ |
| 2009-2012 | Ниссан | Сентра | СР |
| 2002-2003 | Ниссан | Сентра | ХЕ |
| 2005 | Ниссан | Экстерра | Внедорожник |
| 2005 | Ниссан | Экстерра | С |
| 2005 | Ниссан | Экстерра | СЕ |
| 2009-2012 | Сузуки | Экватор | База |
| 2009-2012 | Сузуки | Экватор | Премиум |
| 2009-2012 | Сузуки | Экватор | РМЗ-4 |
| 2009-2012 | Сузуки | Экватор | Спорт |
ПРЕДУПРЕЖДЕНИЕ: рак и репродуктивный вред — https://www.
p65warnings.ca.gov
Количество
Тип: Подшипники
Технические характеристики двигателей Subaru | Subarucar.net
Технические характеристики двигателей Subaru | Subarucar.net//= $путь ?> //= $путь ?>
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ХАРАКТЕРИСТИКИ ДВИГАТЕЛЯ SUBARU — ИНТЕРВАЛ ЗАМЕНЫ МАСЛА — РЕМЕНЬ ИЛИ ЦЕПЬ
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