How is your V-tech Transition?

Discussion in '6th Generation 2002-2013' started by Molsan, Jul 22, 2008.

  1. Molsan

    Molsan New Member

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    Keep reading post that that make it seem as though there is a huge lag that would upset the bike, then a huge surge in power. I can see how this would be bad but I do not experiance this.

    The main way i can tell i kicked into v-tech is a change in pitch and slightly more vibration. I do notice more power once into the v-tec range but the transistion power level is almost non existant.

    Just woundering as there seems to be a desparity between bikes...mine is an 05 btw and stock.
     
  2. benjammer

    benjammer New Member

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    Smoooooth as silk.
     
  3. Phuqet

    Phuqet New Member

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    I see references to this, and really don't understand what all the fuss is about. I am a new VFR rider (since March), but have been riding many different bikes for more than 25 years.

    The transition on my 08' is certainly noticeable, but hardly anything to remotely upset the balance, handling or control of the bike. It's more of a surge than an abrupt change in power.

    Phuqet
     
  4. drewl

    drewl Insider

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    Isn't that kind of personal question?:boink:
     
  5. chomper

    chomper New Member

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    for me it all depends how you twist throttle. like molsan mainly just notice change in exhaust note.in mid corner v tec transition has never entered my mind has kicked in and out many times as long as your smooth with throttle v tec is as well. do notice if you pin throttle up in the canyons higher altitude thinner air & cheap gas there can be a lagg @ times between transition bike is stock with exception of staintune exhaust running with out spuds.
     
  6. benjammer

    benjammer New Member

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    Well Said Phuqet....Couldn't agree with you more.
     
  7. junktionfet

    junktionfet New Member

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    Yeah, as I've posted before, I don't see what the big deal. Either some people aren't smooth riders or the VTEC engine has wildly variable performance from unit to unit. The more likely scenario is the former... I know people who track their VFRs and never have an issue with VTEC.
     
  8. stewartj239

    stewartj239 Member

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    I have an '07 and it is very linear. I think the issue was with the earlier 6th Gen bikes. However, I am not sure that it is a real problem or one that was fabricated as a reason to argue against the rationale for VTEC.
     
  9. VFRHUMP

    VFRHUMP New Member

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    I noticed it when I got my '07. I didn't feel it was an issue. I added a PCM3, K&N filter and 2Bros exhaust and I did notice a considerable change in low end performance and less noticable change when the VTEC kicks in.
     
  10. hondajt

    hondajt New Member

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    I used to love V-Tech, but now I only use Uniden!

    (As a very strong Honda fan-boy, I am strongly against the incorrect spelling of VTEC)
     
  11. NorcalBoy

    NorcalBoy Member

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    harsh vtec transitition is a myth, perpetrated by folks who probably don't ride that well anyway...mine is flawlessly smooth and i notice a definite difference in the personality of the machine when engaged... the dyno does not lie either.
     
  12. Action

    Action New Member

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    Smooth as.......... well pick your own metaphor, mine was sliding into R rated territory. I constantly transition into the VTEC in the middle of turns. Especially longer freeway ramps where you want a really nice charge at the bottom. I used to think altitude had something to do with smoothing it out but so many people at sea level have no problem I had to rule that out. I do think the bikes that are rough can be attributed to a combination of factors. Poor throttle control is one, and creeping through the transition is another. Some bikes probably have mechanical issues like bad O2 sensors or a pinched wire that cause trouble. The biggest thing I've seen is people that don't have a 6th gen talking about how bad the transition is, no names please. I've got a BMC filter and 2 bros exhaust, I'm looking froward to adding a PC and seeing if it makes much difference.

    Action
     
  13. powerslave

    powerslave New Member

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    SMOOOOOTH transition on my stock '02!!!
    It signals it's engagement with a change in intake tone (it goes waaaaaAAAAAAH) but has NO unsettling power surge like I have heard others complain about.
    Even mid-corner engagements (yes,I have played around TRYING to unsettle the bike) are un-eventful!!!However if you are ham-fisted enough you could unsettle ANY bike in a hard corner.
    I said this before,but if I were deaf, the dreaded V-TEC engagement would be much less dramatic, as it is mostly noise and the power curve ramps up smoothly and with silky forward thrust...
    In closing I would have to draw this comparo:
    V-TEC operation feels just like a turbo charged engine
    V-TEC operation doesn't feel like a nitrous plumbed engine
    (By the way,I have owned several turbo-equipped cars and one nitrous equipped car!!!)

    I have never ridden any gen 6 other than my own but I imagine there must be quite a difference from unit to unit.
     
  14. powerslave

    powerslave New Member

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    OOPS!!!
    Spelled V-TEC wrong AGAIN
    VTEC
    VTEC
    VTEC
    I'll remember now!!!
    Thanks hondajt
     
  15. hondajt

    hondajt New Member

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    ^^all good, I didn't mean to sound so mean! I was being playful.
     
  16. OHVFR

    OHVFR New Member

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    I've only been riding my '07 VFR for about a month, but I would call the transition smooth. It is more of a surge at slower speeds than higher speeds when VTEC kicks in, but that's surely just the multiplying effect of the gearing and would be seen no matter how you were increasing the power (e.g. turbo).
     
  17. porcupine73

    porcupine73 New Member

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    '07 in RWB here. Transition is smooth if I am say less than 1/3 or so on the throttle. Above that I usually feel a slight power loss for a second before the VTEC engages. I think this may be the ECU retarding timing etc during the transition trying to make it smoother? Not too sure about engagement with throttle near wide open since I've only done that a couple times.
     
  18. Ignorant Bystander

    Ignorant Bystander New Member

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    My transition is definitely almost all intake honk. Kind of a shame, because I can't hear the exhaust when the snorting begins.

    My VMax had the same kind of power transition at 6000 rpm (VBoost), and the kick was definite, awesome and not recommended unless going straight ahead. It was noted that the kick was more pronounced due to a small dip in the torque curve right before 6000.

    It turns out that humans are very sensitive to variations in acceleration. The flat spot in a (non-PCIII) VFR at 6000 or so makes the VTEC transition seem more pronounced than it really is. Once you eliminate the lean spot (using the PCIII), the transition goes...away.

    BTW, I have noticed a few times a 'click' when slowing down in 2nd past 6000. I assume this is the VTEC pin sliding out of the cam. If you're off the throttle, the intake honk is gone and you can hear it click out.
     
  19. Wesley J

    Wesley J New Member

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    Bah. I'll take you to the track any day... People who generalize based on only their experience are annoying...

    Mine is perfectly aweful although I realize I am an exception. Mine worse at part throttle, which is where a guy usually is when exiting a corner. Full throttle is bad but who cares as you're usually going in a straight line anyway.

    Check the video: YouTube - Kaslo to New Denver

    Wes
     
  20. Molsan

    Molsan New Member

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    So yours has a signifigant change in acceleration when switching to v-tec?
    could you tell us your year?
    you mention it hapens a lot at mid throttle, I find this odd as i can bairly tell when vtech shifts in mid throttle.

    also are you near sea level or far from it, would be nice to hear what you have to say if you rode another 6th gen and they rode yours.
     
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