From what I read, this new DOHC engine is there to meet emissions requirements through 2030. It did have a slow 0-60 time in one of the videos at altitude that was over 9 seconds. Although VCM is retained I'm not sure if they're doing it the same way.
Honda's New 3.5-Liter V-6 Goes DOHC, Drops VTEC
Honda's New 3.5-Liter V-6 Goes DOHC, Drops VTEC
It's the first naturally aspirated V-6 from Honda or Acura to have dual overhead camshafts since the original NSX.
www.caranddriver.com
New Pilots getting this, perhaps Passports will be next? Is this better? Insight anyone?
Honda's latest 3.5-liter V-6 that powers the new Pilot switches to a dual-overhead-cam design, the first naturally aspirated DOHC V-6 in any Honda or Acura since the first-generation NSX...
**Full article link above or below
Honda's New 3.5-Liter V-6 Goes DOHC, Drops VTEC
It's the first naturally aspirated V-6 from Honda or Acura to have dual overhead camshafts since the original NSX.
www.caranddriver.com
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Given how in bed Honda is with GM, I wonder if it's one of the GM engines that Honda did some improvements.
This is what I was getting at too - moreso future proofing for emissions. It doesn't seem any more fuel efficient, and adds 5HP but both peak HP and torque come a little later in the RPM power band. Me personally like having VTACCKKKKKFrom what I read, this new DOHC engine is there to meet emissions requirements through 2030. It did have a slow 0-60 time in one of the videos at altitude that was over 9 seconds. Although VCM is retained I'm not sure if they're doing it the same way.
It's supposed to share a lot with the 3.0t turbo used in the Type S Acuras. Honda is going to share some EV stuff with GM and become subscription based with Sony as it continues to dilute itself from the Honda that we all knew.Given how in bed Honda is with GM, I wonder if it's one of the GM engines that Honda did some improvements.
I was surprised that Honda would have another V6 so late in the game as they transition to EV but the emissions comments make a lot of sense now.
I looked at the spec the bore and stroke is completely different so IDK how much of that is shared.It's supposed to share a lot with the 3.0t turbo used in the Type S Acuras. Honda is going to share some EV stuff with GM and become subscription based with Sony as it continues to dilute itself from the Honda that we all knew.
I was surprised that Honda would have another V6 so late in the game as they transition to EV but the emissions comments make a lot of sense now.
I'm not technical enough but the cams being part of the head, etc. I wouldn't think the Type S engine by itself would be cost effective. Soon, we'll know if the 9 speed/SOHV V6 will be a better powertrain than the 10 Speed DOHC V6. My guess is the engine is equal to worse while the 10 speed is a better partner. Still, not all that exciting compared to the straight 6 coming from Mazda.I looked at the spec the bore and stroke is completely different so IDK how much of that is shared.
It's called the J35Y8 so it's still a J35Y variant so seems that it's essentially the engine in our Passports, the J35Y7, but with a new top end including DOHC heads. The addition of hydraulic lifters will be a nice addition so that valve adjustments will no longer be a thing.
Until the valve cover gaskets start to leak at around 120k miles which you have to replace anyway.It's called the J35Y8 so it's still a J35Y variant so seems that it's essentially the engine in our Passports, the J35Y7, but with a new top end including DOHC heads. The addition of hydraulic lifters will be a nice addition so that valve adjustments will no longer be a thing.
I don't think Honda will improve GM, instead I think GM will ruin Honda.
I do not see myself buying another Honda/Acura/GM car and have been down playing those manufacturers to my kids.
I do not see myself buying another Honda/Acura/GM car and have been down playing those manufacturers to my kids.
It would make sense that they put the MDX DOHC head on the 3.5 since it still uses timing belt. I don’t think GM makes any timing belt engines anymore.I don't think Honda will improve GM, instead I think GM will ruin Honda.
I do not see myself buying another Honda/Acura/GM car and have been down playing those manufacturers to my kids.
No. This is a Honda engine. Quick fix and less tech but still a Honda through and through. GM has no 3.5L V6Given how in bed Honda is with GM, I wonder if it's one of the GM engines that Honda did some improvements.
More power and perhaps better mileage is an OK trade off for me, even if it is a little slower...
No more valve tuning is a plus with use of hydro-compensators and double shaft (that might be hollow that is minus).
but the torque and horsepower would be limited to certain RPM, 10 speed auto should smooth that.
The phase correction would add maintenance cost.
New engine might have less reliability in long run.
I think small turbo would be used in some time on new engine, maybe on Acura
but the torque and horsepower would be limited to certain RPM, 10 speed auto should smooth that.
The phase correction would add maintenance cost.
New engine might have less reliability in long run.
I think small turbo would be used in some time on new engine, maybe on Acura
Honda is replacing VTEC with VCM. There are going to be a few bugs to be worked out on the first few model cycles for sure. Cam phasing VVT technology is being borrowed from GM. Honda is calling it VCM which is almost the same. FWIW, Honda has been building other VCM equipped engines since 2004.
You cannot use anything but hydraulic valve trains with this (cam phasing) technology as it restricts oil flow to valve train in order to shut cylinders. I also predict the integrated cam caps cast into the valve cover being a bit problematic over time and heat cycles.
Both Honda and GM are outstanding companies with very reliable vehicles being built albeit a small learning curve on reliability of new models being rolled out. My uncles 6.2 VVT engine in his GMC truck is pushing 400K miles with nothing more than burning a quart between 5K OCI's.
Good news is this is 40 plus year old technology that falls under a whole bunch of different names (MDS, DOM, AFM, ACC, etc) depending on manufacturer.
You cannot use anything but hydraulic valve trains with this (cam phasing) technology as it restricts oil flow to valve train in order to shut cylinders. I also predict the integrated cam caps cast into the valve cover being a bit problematic over time and heat cycles.
Both Honda and GM are outstanding companies with very reliable vehicles being built albeit a small learning curve on reliability of new models being rolled out. My uncles 6.2 VVT engine in his GMC truck is pushing 400K miles with nothing more than burning a quart between 5K OCI's.
Good news is this is 40 plus year old technology that falls under a whole bunch of different names (MDS, DOM, AFM, ACC, etc) depending on manufacturer.
Where did you get any of that? They aren't replacing VTEC with VCM, they're essentially replacing VTEC with VVT. The old engine had both VTEC and VCM and there's no reason it's not possible to have VVT, VTEC, and VCM if they wanted to deal with the extra cost and complexity. Also why would Honda borrow anything from GM? They have years of experience with both VVT and VCM and while their first generation of engines with VCM had issues, it's been pretty solid since whereas GM is still having issues with the cylinder deactivation on their V8s though I haven't heard of any issues with the LGX/LGZ 3.6 which has AFM. Also, cam phasing has nothing to do with cylinder deactivation. Cam phasing (VVT) uses a cam phaser on the front of the cam to advance or retard the timing between the timing chain or belt and the cam itself and in no way alters oil flow to the valve train. Cylinder deactivation works different ways depending on engine design and manufacturer. GM (and Stellantis) use solenoids to sent oil pressure to a pin on the lifters (or lash adjusters on the DOHC previously mentions 3.6) and let them collapse and float on the cam lobe profile without actuating the valves. GM and Stellantis both have issues with these collapsible lifters not returning to normal, seizing the roller, and trashing the cams. As far as I know Honda hasn't stated how it'll work on the new DOHC heads on the J35 but on the SOHC heads it essentially acted like VTEC but instead of switching the rockers to a cam profile with higher lift and duration, it switched them to a flat profile so the rocker never got pushed up to actuate the valves. Neither way affects oil flow to the valve train.
There goes their #1 Reliability rating... Honda should not "borrow" anything from GM...Cam phasing VVT technology is being borrowed from GM.
Huh? I've had one GM vehicle, a 1995 S15 GMC Pickup and it was one of the worst vehicles I have ever owned and would never drive another GM, even if it was given to me...Both Honda and GM are outstanding companies
Honda has had DOHC variable timing for decades. Just not on the V6. I don’t see why they can’t design a DOHC V6 themselves instead of working with GM. VTEC is old technology honestly when DOHC was too expensive to have. These days, it’s nothing.
Those were outstanding trucks. If it had the 2.2 engine those were known for issues simply because of being used as not intended (heavy loads/towing). If you had the 4.3 engine 500K life before touching the the top end for a valve job. Trucks lead a hard life. GM's, Toyotas and Hondas are the top 3 in regards to reliability and longevity. I would not hesitate to purchase a GM productHuh? I've had one GM vehicle, a 1995 S15 GMC Pickup and it was one of the worst vehicles I have ever owned and would never drive another GM, even if it was given to me...
FWIW, my 1994 Silverado 2500 lasted out over 300,000 miles. It had 1 transmission replacement at just under 100K due to my own stupidity running the AC and flat footing in Death Valley during the summer months. It's still being driven today by a young man we traded drywall work for. It's now pushing over 400,000 miles on same engine and transmission. In Nevada desert no less.
The VTEC has simple valve train/timing belt maintenance. This engine is a very simple DYI design that even a young 1st year high school shop student can tackle.Honda has had DOHC variable timing for decades. Just not on the V6. I don’t see why they can’t design a DOHC V6 themselves instead of working with GM. VTEC is old technology honestly when DOHC was too expensive to have. These days, it’s nothing.
Meeting the EPA criteria and reasonable HP is a challenge. Honda is moving in the right direction by doing this. What a lot of manufacturers are doing is downsizing the engines and supercharge/turbocharge. IMO this can be an added labor intensive and additional parts cost down as the miles accumulate.
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