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Thread: FCD's v BCC

  1. #1
    Wasted Club Member downimpact's Avatar
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    FCD's v BCC

    I found this link while searching for my problem with the car running lean since going BPU, I suspected the HKS FCD and this seems to back up this up.

    http://www.mkiv.com/techarticles/bcc...GReddy_BCC.htm

    I can't find greddy BCC's available as it seems discontinued according to GReddy, is there another product that does the same think without getting a piggyback ECU.

    n.b. I've taken the car to a rolling road who confirmed it is running lean, I've replaced the fuel pump with a walbro when going bpu. AFR reading is around 12.2 with WOT.
    Jon has a RZ and an SZ . .


  2. #2
    Torque is fun Club Member Mario's Avatar
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    ^^Here you go http://www.suprastore.com/su2jbocutcob.html
    I have no experience with this trader, but try Paul Whiffin, Lee P and other UK traders first maybe they can help you out on this one.
    1993 hardtop single turbo
    Wingles is just like topless........ topless is just a better view!!!!!!!!!!!!!

  3. #3
    Torque is fun Club Member Mario's Avatar
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    1993 hardtop single turbo
    Wingles is just like topless........ topless is just a better view!!!!!!!!!!!!!

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    I'm addicted now! MEMBERSHIP EXPIRED
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    I have one of these fitted, mine was supplied by chris wilson but its the same thing ; http://www.ebay.co.uk/itm/TURBO-BOOS...item3372c7d264

    Its a doddle to wire in and works exactly the same as the bcc by clamping the voltage from the map sensor just before fuel cut meaning the engine is unaffected 99% of the time and will only lean out a tiny bit on WOT.

    I have this fitted to mine and the afr's were 10.5 at WOT so certainty not lean. Hope that helps.

  5. #5
    Me? Post? Never! Club Member mattdavies's Avatar
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    I recently asked a similar question http://www.mkivsupra.net/vbb/showthr...dy-Vs-HKS-FCDs

    I am intrigued by the ebay FCD, although a little hesitant. do you know anyone else that has used this item ?
    Last edited by mattdavies; 28-03-12 at 13:55.

  6. #6
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    I gather Chris Wilson has fitted them to many supra's, I checked mine with a multi-meter and it completely un-affects the voltage from the Map sensor until the point where you set it to clamp and it holds the voltage solid. Seems to work just fine.

    The only real difference i think is that the Greddy is pre-set and this one you have to set yourself but its really quite simple.

  7. #7
    Me? Post? Never! Club Member mattdavies's Avatar
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    How do you connect it in, i seem to remember on the greddy there are 4 wires ( ground, +ve, in and Out )

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    You have the usual Ground and +ve but instead of having an In & out wire there is just one which piggybacks/splices onto the sensor wire and clamps it that way, saves having to cut the wire into the ecu.

  9. #9
    Me? Post? Never! Club Member mattdavies's Avatar
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    i see, i am apprehensive but i think i will go for it

  10. #10
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    By all means talk to Chris Wilson or the chap that makes them and see what they say, AFAIK the Greddy uses simple diodes as I'm sure this does, its probably only the packaging that's different! You don't have to take my word for it but just offering some advice

  11. #11
    Me? Post? Never! Club Member mattdavies's Avatar
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    I prob will talk to chris simply for piece of mind, I am not doubting you but am apprehensive about 25pound on ebay when I can get a new BCC for 80.

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