J35Y

Joined
Apr 28, 2020
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North Dakota
Does anyone know what the difference is between the Honda J35Y5 (MDX exclusive) and J35Y6 (TLX, Pilot, Ridgeline, Odyssey, Passport)? Output, bore/stroke, fuel delivery, VCM, and all other specs seem to be identical. Just a curiosity of mine.
 
Last edited:
Originally Posted by PowerSurge
Y5 has VTEC. Y6 has i-VTEC.


Not so sure about that, I believe they are both i-VTEC.
 
Found this on a different engine wiki site:

J35Y4 (2013 - present) is a modification with the direct injection system. The compression ratio was also increased here to 11.5, and the cooling and exhaust system were improved. This engine was equipped with a VTEC system, that was triggered at 5,000 rpm. These changes increased the torque at low rpm, and increased fuel efficiency.
J35Y4 power increased to 310 HP @ 6,500 rpm, the torque is 369 Nm @ 4,500 rpm.
This engine was installed in Acura RLX.
18. J35Y5 (2013 - present) is an analog to J35Y4, but it installed in Acura MDX. The power is 290 HP @ 6,200 rpm, the torque is 369 Nm @ 4,500 rpm.
19. J35Y6 (2014 - present) is an analog to J35Y5, which was installed in 3rd generation Honda Pilot and Acura TLX. This engine was designed to replace J35Z6.
 
The Pilots, etc recommend 87 fuel, the MDX (2012 we had) said it required premium. Our 2019 Pilots runs on 87 and I'm not sure if the newer MDX require or recommend premium (I think require)

Tuning program difference between the two vehicles resulting in octane differences needed from what I have been told.
 
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