VTEC, yo.
It seems Honda has changed its V6 design to no longer have VTEC, but use DOHC.
A Honda without VTEC, is no Honda to me. Just kidding.
But this latest iteration makes me wonder what are the advantages or disadvantages of VTEC vs DOHC?
What was the biggest disadvantage to DOHC, where Honda decided in favor of VTEC for the past 20+ years?
What was the biggest disadvantage to VTEC, where Honda decided to switch to DOHC for its latest V6?
Many Honda VTEC engines are DOHC, in fact the VTEC variable cam profile system debuted in DOHC form.
https://en.wikipedia.org/wiki/VTEC
"VTEC was introduced as a DOHC (dual overhead camshaft) system in Japan in the 1989 Honda Integra XSi,[1] which used the 160 bhp (120 kW) B16A engine."
Why do you think they got rid of DOHC and VTEC, instead doing just to DOHC for the V6?
Not being all that familiar with current Hondas I can only guess that they moved to a more conventional variable valve timing arrangement as most manufacturers use today. VTEC dates back nearly 35 years at this point.
Now, if they just would get rid of cylinder deactivation.
Please!!! That would be amazing.
It definitely would be helpful! Why on earth would they have that knowing the fact that it'll mess up the engine because of that thing?! Makes no sense.
it doesn't need it any more ...
using cam phasers to continually adjust both intake and exhaust timing
Historically, it seemed that every other manufacturer used some sort of cam phaser to achieve similar goals to VTEC. But Honda went another way, and focused on VTEC. But now, they are abandoning VTEC in the V6.
It’s very interesting to see the evolution of Honda engines.
you say "focused on VTEC" . I say "ignored advancements"
you say "evolution". I say slow to change and lack of evolution.
VTEC is dead, ancient technology.
Regardless of focused or ignored, or evolution or slow to change, it is interesting!!!
It definitely would be helpful! Why on earth would they have that knowing the fact that it'll mess up the engine because of that thing?! Makes no sense.
It's because of the insane stringent fuel economy requirements imposed by government bureaucrats who know nothing about cars. Manufacturers are scrambling to eke out any tiny improvement in gas mileage no matter what the ultimate cost is to the customer.