The J-series engine was designed in the United States by Honda engineers. Some versions were able to turn off one bank of cylinders or one cylinder on opposing banks, allowing for three-cylinder use under light loads and four-cylinder use under medium loads. The J25A displaced 2.
The J25A used a It had a variable intake manifold to optimize torque output across varying engine speeds and engine response. In Honda created the J30A5 to mark the 30th anniversary of the Accord. According to Honda, horsepower gains were achieved with improvements to the airflow of the intake and exhaust system.
The J32A3 includes a one-piece exhaust manifold cast with the cylinder head, first introduced on the J30A4. Its weight is lbs running. Primarily due to the cylinder liners being made from aluminum instead of cast-iron the engine weighs less than the J35Z engines. The intake manifold is made from a cast magnesium alloy. Quiz Master. Auto Repair and Maintenance Guides.
Automotive Tips and Tricks. Honda Database. Automotive Repair Videos. Auto Repair Manuals. Technical Specs. Transmission Specs. Engine Specs. ECU Codes. Product Reviews. Glove Sizing Chart. Nthefastlane's Photo Gallery. Shop Nthefastlane Automotive. Automotive Tools. Noco Genius. Automotive Rings. Honda J-series Engine Specs Information.Ina 3. This engine was developed on the base of the J32A cylinder block, its deck height was mm. They installed a long stroke forged crankshaft with 93 mm stroke and lightweight rods The compression height of the pistons was not changed, and was equal to 30 mm.
This provided extra cm3 of displacement. These heads have 4 valves per cylinder. The diameter of intake valves is 34 mm, of the exhaust valves — 29 mm. The camshafts are rotated by the timing belt to be replaced after 60, miles. It is recommended to adjust valves after every 30, miles.
Valve clearances for a cold engine are 0. The Honda J35 firing order is The first modification of J35A had a 55 mm throttle body. This engine was gradually improved and the main differences between the modifications are shown below. J35A1 — is the very first modification for Honda Odyssey.
The compression ratio was 9. J35A3 — was a slightly improved J35A1. It featured a new 2-stage intake manifold that was designed for low — and midrange-rpm torque. It was activated after 3, rpm. All this improved the features, and now the power reached HP 5, rpm, the torque was Nm 3, to 5, rpm.
J35A4 — — this engine replaced J35A1.Maze generator
It featured a new intake manifold, its throttle body diameter was increased to 64 mm, and a new exhaust system was used. Also, there was an improved VTEC system, the diameter of intake valves was increased to 35 mm, of exhaust valves to 30 mm, the compression ratio was raised to The J35A4 stock fuel injectors size was cc.
These upgrades boosted the power to HP 5, rpm, the torque was Nm 4, rpm. This engine was intended for Honda Odyssey and Honda Pilot.
J35A5 — — this engine replaced the J35A3. Here a cylinder block with cast iron sleeves was used along with the new 2-stage intake manifold activated at 3, rpman electronic throttle, an improved exhaust system, and more dynamic camshafts. The VTEC system is triggered upon reaching 4, rpm. Here the fuel system has been modified, and everything is controlled by another ECU. This modes increased engine efficiency, and its power reached HP 5, rpm, the torque was Nm 3, rpm.
This engine was created only for Acura RDX. J35A6 — — this engine replaced J35A4, and featured an electronic throttle body and an improved exhaust system. The power increased to HP 5, rpm, the torque was Nm 5, rpm. The power was HP 5, rpm, the torque was Nm 4, rpm.
Honda 3.5L J35A/J35Z/J35Y Engine Review
J35A8 — was an analogue to J35A5, but with the compression ratio of These engines are a V6 and were designed to be transversely mounted. Not only do they have shorter bore spacing, but they also have shorter connecting rods.
These engines also have a smaller crankshaft than the C-series. The reason the crankshaft is smaller is to make the engine smaller altogether.
Mounting a V6 transversely can be difficult so Honda took as many measures as they could to decrease the size. While this engine is installed in cars from other manufacturers, there are quite a few Honda models that have this engine installed in them. These engines are mostly in mid-size vehicles. The reason being, this engine would kind of be overkill for something as small as the Civic, but for a minivan or small SUV, this engine is perfect.
These are only a handful of the Honda vehicles that use this engine. With that being said, the engine is installed on several of the same models and the only difference are the years that the models were manufactured. The first issue that these engines are known for is oil leaking through the VCM gaskets.
The model that has had most of the issues and cases of the oil leaking is the Honda Pilot, although other vehicles with this engine have experienced the issue too. The good news is it can be easily repaired by buying a gasket kit and just replacing the gaskets. This can be done at home, which means your repair bill will be much smaller than if you took it to a shop.
Another common issue comes from the VCM system. VCM works by shutting down some cylinders at cruising speed to decrease the effective displacement and thus decrease consumption. Keep in mind, other issues can come up since it is a piece of machinery.
Just make sure you get your vehicle looked at as soon as an issue appears so you can reduce the risk of more expensive damage. Keep in mind, though, building up the engine can get expensive and be extremely time-consuming.
The things you can do in terms of tuning the engine for faster performance are listed below. Using all of these parts will actually increase your power to about horsepower. I have a good running J35A1 installed in a Odyssey with a bad trans.
What other Honda models could I drop this motor in with only moderate adaptation?
Bryce founded Dust Runners Automotive Journal in as a way to write about the cars he found interesting. Does the J35 oil pan fit the J32 motor like a bolt on? Leave a Reply Cancel reply Your email address will not be published.The idea behind VCM is simple: Once the engine is at normal operating temperatures, under light loads the engine is allowed to run on cylinders. Once the demands are increased, the inactive cylinders will seamlessly kick back in, yo.
While the idea is simple, the execution is not. The fourth-generation Odyssey ours is a has FIVE electronically controlled engine mounts to dampen the vibration during cylinder deactivation and transition phases. Further, long-term use of VCM has been acknowledged by Honda settled under class-action duress to contribute to excessive oil consumption and premature failure of those expensive engine mounts — often requiring entire engine replacements. Why would they go to such lengths?
By most estimates, to gain approximately mpg on the highway; virtually nil in the city. As a result of these failures and lawsuits, a handful of enterprising Honda forum members and technicians developed a few similar workarounds: Adding slight resistance to the coolant temp sensor ECT sensor would prevent the ECU from knowing that the engine is warmed up, thus preventing the use of VCM. The results are that the vehicle runs on all six cylinders at all times. While this may sound like an ecologically thoughtless act, the cost-benefit for most drivers is clearly in favor of preventing engine trouble, not saving a miniscule amount of emissions.
The instructions left a lot to be desired, but were adequate enough. All of this adds up to a more enjoyable experience, as well as less stress and better courtesy to other drivers when using cruise control. For most users, leaving it at a single setting will be fine. The A. Kyle Larson Didn't Follow Proto. Shop Subscribe. Ash78, full of malaisy ennui. Share This Story. Get our newsletter Subscribe.The J-series is Honda 's fourth production V6 engine family introduced inafter the C-serieswhich consisted of three dissimilar versions.
The J-series engine was designed in the United States by Honda engineers. The J-series was designed for transverse mounting. The system uses VCM to turn off one bank of cylinders under light loads, turning the V6 into a straight Some versions were able to turn off one bank of cylinders or one cylinder on opposing banks, allowing for three-cylinder use under light loads and four-cylinder use under medium loads. The J25A displaced 2. The J25A used a It had a variable intake manifold to optimize torque output across varying engine speeds and engine response.
This version was on the Ward's 10 Best Engines list for and The IMA hybrid version was on the list for In Honda created the J30A5 to mark the 30th anniversary of the Accord. According to Honda, horsepower gains were achieved with improvements to the airflow of the intake and exhaust system. The J32A3 includes a one-piece exhaust manifold cast with the cylinder head, first introduced on the J30A4.
Has revised bell housing Honda round style along with revised cylinder heads with single exit port. The J37 uses a die-cast aluminum block with aluminum cylinder liners.How to start a diesel supply business in south africa
Primarily due to the cylinder liners being made from aluminum instead of cast-iron the engine weighs less than the J35Z engines. The intake manifold is made from a cast magnesium alloy. From Wikipedia, the free encyclopedia. This article needs additional citations for verification.
Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.The J35 is a 3. This new 3. In subsequent years, the engine was being installed on several large and heavy Honda's sedans, SUVs, pickups, including Acura cars.
Over the years, the J35 has undergone many updates, and the current J35Y engine is significantly ahead of its predecessor in terms of efficiency and emissions. The J35A engine stayed in the production for almost fourteen years Like the J32A, this engine has a compact aluminum cylinder block with a degree angle between cylinder banks. The deck height is mm. The bore size and pistons remained the same, but a new forged crankshaft provides a longer 93 mm stroke.React chatbot
This stroked J32 also has On top, there are aluminum cylinder heads with four valves per cylinder and a single overhead camshaft. Camshafts are driven by a timing belt. Valves are pushed by roller rocker arms there are no hydraulic tappets. The J35A1 features 34 mm intake valves and 29 mm exhaust valves. The J35A1 intake system includes an aluminum 1-stage intake manifold and 55 mm throttle body.
This engine also had a 9. This engine laid in the base of the J35A5, produced from to Like the previous engine, this power unit was installed in the MDX. It had a new cylinder block with cast iron sleeves, a new 2-stage intake manifold, an electronic throttle body, better exhaust system, tuned camshaft.VCM Muzzler gas mileage test accord V6
The VTEC engagement was moved to 4, rpm. The next J35A8 engine for Acura models had a compression ratio ofoil jets for cooling pistons, and new connecting rods. There are modified heads with 36 mm intake valves, optimized intake ports and hollow camshafts inside.
The J35A8 got a new 2-stage intake manifold activated at 4, rpm, fitted with a cold intake. The J35A1, which was used before primarily in Honda cars, inwent through a significant modernization. The new engine, marked as J35A4, has a revised intake system 64 mm throttle valve, a new intake manifoldredesigned exhaust system, and an improved VTEC system. The cylinder head was equipped with increased valves: the diameter of the intake valve is 35 mm, of exhaust - 30 mm.
The fuel system uses cc injectors. The engine efficiency also was improved by a compression ratio. Inthe J35A4 was already replaced by the J35A6 an electronic throttle body and new exhaust. There is one more version based on J35A6 - it is a J35A7 engine. This 3. The J35Z series was used in Honda and Acura models. The J35Z1 replaced the J35A9. The J35Z2 with a Inthe J35A8 was discontinued and replaced by the J35Z6. This new engine had an The VTEC system joins the game at 4, rpm.
The latest J35 series is the current 3. The first J35Y1 engine was launched in the Honda Accord. Cylinder head got a reshaped intake and exhaust ports. VTEC kicks after 5, rpm.How good are these engines and how do they work. Anyone out there own one or have any good or bad info on them? My wifes 4 cyl has oil consumption issues. While talking to the dealer they told my wife that they were aware of an issue on the v6 for consumption but not mine.
Something to do with the VCM.G3 rifle vs ak 47
Take it with a grain of salt. The only 4 cylinder that has it is the one in the newer hybrid Civics.
Honda J35: Everything You Need to Know | Specs and More
Thank you for your comments. I have been looking to purchase a Odyssey But am just not sure about these vcm engines. Tough I have driven one at low speeds I did not notice any engine noise. Any other comments might be helpful please.
Though I have my doubts about the effectiveness of VCM over other technologies, I would not let that be a factor in deciding whether to buy a Honda or not. Honda tends to be on the front lines where innovations like this are concerned, and VCM has been around a lot longer than you think. I would not worry about it. Honda usually tests new innovations in non-U. The following website has 37 pages of comments on among others a rear engine motor mount which appears to be poorly designed and collapses.
I was completely surprised at the amount of purchasers of this Van who would never buy another Honda product. Many were just plain disgusted with Honda and the way they were told that this vibration was normal, when it fact it was not.
Honda J engine
Some people spent literally thousands of dollars trying to isolate and correct this problem. I still would like a Odyssey, but I do not want half the problems some of these purchasers have encountered. Anyone else who want to add anything please do, but at this point I am blown away that a full scale recall has not been called for on these vans and the resulting problems with the VCM engines.
I generally agree with everyone here.
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