Blog Comments

  1. SWFL_NSX's Avatar
    Kaz, thank you for this blog-always interesting.

    Could you explain to us the difference in hole size between the left and right sections of this subframe?
  2. Procar Specials's Avatar
    Thats a long time to go without your boss.
    Can you cook?
  3. britlude's Avatar
    Lol, suitable summary!
  4. Kaz-kzukNA1's Avatar
    Treat it like PC and don't drop it.
  5. marknsx's Avatar
    ? I have now moved into a twigh-light zone Kaz. Can you simplify your statement
  6. ozon02's Avatar
    Hi,
    you would have the opportunity to take a picture of the top of the piston?(How much carbon)
  7. Kaz-kzukNA1's Avatar
    For this NSX, the owner bought the sensors by himself and tried replaced all four sensors before taking the car to me.

    OEM sensor is from Denso.

    The owner brought the OE indentical aftermarket Denso ones. Good sensor.
    I normally use NTK one and I have been using it on many NSX including mine.

    Due to its characteristic, there are some deviation in output signal for each sensor but being as narrow band, the effect is not that huge.
    Still, the OEM one is 'selected' against the specific characteristic window and hence, the high price.

    Kaz
  8. ozon02's Avatar
    Hi,
    do you use only Oem 02 sensor or allowed use Aftermarket
  9. Kaz-kzukNA1's Avatar
    I think I got the same/similar question on here or on Prime but personally, I won't use aftermarket pulley especially on NSX engine.

    ATI pulley is being used by my local race team in their monster drag racing machine so must be of a good product but I don't know how it was tested on the dyno using the NSX engine or the simulated model.

    The one from RF-Yamamoto was introduced on the market ages ago.
    At that time, the developer advertised it on one of the most famous NSX Forum in Japan but didn't go down well.

    For our NSX engine, there is a reason for why the crank pulley is so heavy.
    At certain rpm range, there is a resonance frequency that if continuously kept running at this specific range, it could shorten the life of the TB.
    The OEM crank pulley is there to shift this resonance order out of the designed usable engine rpm.
    Almost impossible to keep running the engine continuously in this rpm range even on track but none-the-less, if you run the engine on the dyno, you can detect it.

    Very little risk but I don't see the reason to go for the aftermarket one with unknown test procedures.

    In Japan, the general consensus now-a-days is to replace the OEM one at every TB service for street driving condition NSX and at much earlier stage or install the shield if taking one's NSX on track.


    Kaz

    Updated 04-08-2018 at 10:52 AM by Kaz-kzukNA1 (typo, extra info)
  10. NSXGB's Avatar
    Thank you Nick.
  11. NZNick's Avatar
    NSXGB - https://www.nsxnet.com/parts_detail.php?pid=8650 - cost in Japan is 120 GBP
  12. solidol's Avatar
    Quote Originally Posted by ozon02
    Hi Kaz,
    and what do you think about it: ask for an opinion 軽量クランクプーリーキット - Light weight pulley kit

    from
    http://www.rf-yamamoto.com/NSXengine/2.html

    Regards
    Mario
    Mario, Kaz may have different opinion but I would advise against non dampered pulleys unless it's blueprinted engine with near perfect balance. C series needs dampener like OEM or ATI Super Dampener to calm down all the harmonics. I would also argue that if one puts billet pulley on and uses NSX as a street vehicle more than on the track with sitting on higher rpm most of the time it would stress crankshaft mains to the eventual failure.

    In for what Kaz has to say about it.
  13. ozon02's Avatar
    Hi Kaz,
    and what do you think about it: ask for an opinion 軽量クランクプーリーキット - Light weight pulley kit

    from
    http://www.rf-yamamoto.com/NSXengine/2.html

    Regards
    Mario
  14. solidol's Avatar
    Kaz, do you have anyone local running ATI Super Dampener?
  15. Kaz-kzukNA1's Avatar







    As I like people at T3TEC in Japan, my view is biased but with this one, I have been saying the same thing for years now even before the T3TEC was established.

    I'm happy that they share the same view.

    The only shield that I will approve the designů..

















    Heated up the crank pulley and on purposely separated the counter weight.

    Then, re-installed the on purposely broken crank pulley on the engine and tested the proto-type shield.

    Well protected and the noise generated will warn the driver.

    The markings are the result of the weight scratching against the sheild.




    Kaz

    [All photos courtesy of Mr Toyoizumi at T3TEC Japan.]
  16. NSXGB's Avatar
    Very lucky owner.

    Is there a crank pulley shield on the market that does not utilise the TB bolts?
  17. Senninha's Avatar
    Nice photos, thanx for sharing ...
    Honda pioneered so much new thinking for a road car and have carried many of these key features forwards with the NC1. Things like slim A-pillars for improved visibility, front wing high point centered over the wheel centreline, extensive use of beautifully engineered materials for chassis components ... and yet most of the journalists reporting on this car fail to acknowledge such items (even though they will highlight them now they’re on a Maclaren), whilst almost begrudgingly admitting its a great drive and very clever (Harris and May excluded) ...
    There is word on the US forums that the stock piled dealer cars and generally low global sales may kill of any future variants of the NC1. This would be a great shame. When this car was first shown I commented then that Honda needed to heed the lessons of Audi who re-invented the R8 almost every 18-24 months, and certainly seems to work for Maclaren who have so many new and limited models Ive simply lost what they offer anymore ...
    Whatever the decision going forward, the NC1 is a stunning machine and I hope Honda do find a way to release the convertible, the GT3/4, the R and that along the way the listen to the positive feedback from the owners and the supporting journalists and address small issues cabin quality ...
    Well done Honda ... now just bring us the new S2k with some stunning styling and crushing performance .... please!
  18. NZNick's Avatar
    Nice photos Kaz - you can see elements of the lineage from your pictures.
    Updated 23-07-2018 at 10:57 PM by NZNick
  19. ozon02's Avatar
    Thank you for the nice pictures. Did you have the opportunity to drive the NC1?

    Mario from
    Poland
  20. Kaz-kzukNA1's Avatar
    So far, other tools from OTC are performing well.
    I don't see anything special with this type of analogue gauge so probably the same parts are shared among many manufactures and just branded differently with some deviation in quality control.

    I just can't remember how old my current compression gauge is, probably well over 10 years old and while it's still working fine, decided to buy something new and keep the existing one as a backup.
    Will take correlation between the two using my NSX when I can find spare time…..

    Thank you for the kind offer.


    Kaz

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