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Thread: Jakabi's FN2 (2011) Build

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  1. #1
    jakabi's Avatar
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    Default Jakabi's FN2 (2011) Build

    Got a build thread going on civinfo but thought I start a thread here as finding loads of helpful stuff on this forum too

    Summary ...

    - 2011 FN2 GT, Black Crystal Pearl, Factory LSD

    - Purchased completely standard back in May so only owned it for a few months. Had 29k on the clock in May, now on 30k as its a weekend/track car.

    Work/Modifications so far ...

    - Adjustable Koni's on the rear (painted black for an OEM feel)



    - Eibach progressive springs all round

    - New YUASA 400A battery

    - 2nd Set of FN2 alloys, refurbed in Dark Shadow Chrome



    - New Michelin PS4's for the refurbed alloys (for daily use / wet track days)

    - Part worn Potenza's on the original alloys for the track

    - Custom 80mm CAI to the lower bumper and RamAir silicone intake (removed resonator and stock intake pipes)



    - Skunk2 thermal intake gasket

    - K&N Panel Filter

    - Valve clearances done

    - New iridium plugs

    - FRSU (Eibach camber bolts)

    - Oil change (Shell Helix Ultra 5W-40)

    - New Bosch wipers

    - Refurbed Rear Beam, with new wheel bearing kits, new ABS sensors, new bolts and new PowerFlex Purple Polybushes

    from this ...





    to this ...







    - RenaultSport Brembos (with new seals) and standard Brembo discs/pads all round for the moment (front discs are 320 x 28 )





    - Mopped and ceramic coated (Gtechniq CSL then C2 on top of that the following week)





    - FD2 oil pump and Clockwise Motion baffle fitted



    - Refurbed EP3 gear knob and alacantara gaiter



    - Depo oil pressure/temp gauge fitted and wired in through the firewall



    - TO-DO, Oil filter sandwich plate, short HAMP filter and Mishimoto magnetic sump plug to be fitted in a couple of weeks at GrinSpeed

    - TO-DO, Flashpro - Running an etune at the moment but taking it to Chris over at EFI in the next few weeks all being well. Was showing 212 bhp on his dyno but was running a bit lean from around 7000 rpm.



    - TO-DO, TRS harnesses and eyebolts



    - TO-DO, Front fog vents

    Got more to do but got most of the essentials done for the track so happy with the progress. Will keep this thread updated for anyone that's interested
    Black FN2 2011, Factory LSD, Koni's, Eibachs, FRSU, Custom CAI, FlashPro, Brembo's, FD2 Oil Pump

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    MARKTHOMASBRAND (20-08-2019), Ricki1985 (28-08-2019)

  3. #2
    MARKTHOMASBRAND's Avatar
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    We're interested
    Mark's - Championship White FK8 GT

    Mandy's - Mazda MX5 30th Anniversary RF # 1761

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    jakabi (20-08-2019)

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    How much did the fd2 pump and clockwise sump cost you inc fitting? Do you really think itís necessary?


    Sent from my iPhone using Tapatalk

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    Quote Originally Posted by TonyBuon View Post
    How much did the fd2 pump and clockwise sump cost you inc fitting? Do you really think itís necessary?


    Sent from my iPhone using Tapatalk
    Quote Originally Posted by TonyBuon View Post
    How much did the fd2 pump and clockwise sump cost you inc fitting? Do you really think itís necessary?


    Sent from my iPhone using Tapatalk
    Its going on track so I wanted the extra safety of a baffled sump. So while the sump is off it made sense to get the FD2 pump done as it's tried and tested and a highly rated mod.

    Costs can mount up, £400 for the oil pump kit, £200 for the baffle, £325 for labour .... then you have oil and potentially timing chain and tensioners. I was doing an oil change anyway and timing chain and tensioners were spot on as it's low mileage.

    If it was a daily and on the motorway a lot I'd probably think twice about the oil pump for comfort.

    Sent from my Moto G (4) using Tapatalk
    Black FN2 2011, Factory LSD, Koni's, Eibachs, FRSU, Custom CAI, FlashPro, Brembo's, FD2 Oil Pump

  7. #5
    fmp's Avatar
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    great looking build with some choice mods.

    what is the advantage of the FD2 oil pump? More flow?

    Is that a mod to just FN2's or will it work on an EP3 as well (seeing as they are the same engine, I would assume so).

  8. #6
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    They changed the oil pump on the FN2 and added a 4/5kg balance shaft to keep things nice and quiet ... by swapping this out the engine spins up quicker throughout the whole rev range especially top end on high cam.

    EP3's have a similar pump to the FD2 already I think so no need/benefit as far as I'm aware.

    I'm no expert but that's how I understand it.

    Sent from my Moto G (4) using Tapatalk
    Black FN2 2011, Factory LSD, Koni's, Eibachs, FRSU, Custom CAI, FlashPro, Brembo's, FD2 Oil Pump

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    Loxy (23-08-2019)

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    Clean, and great upgrades!

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    jakabi (26-08-2019)

  12. #8
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    Sandwich plate and HAMP short filter now fitted ...

    1st sensor - Oil pressure
    Idle when fully warmed up showing about 1.5 bar \ 22 psi
    Full throttle full warmed up showing about 5.9 bar \ 85 psi

    2nd sensor - Oil temp
    Consistently between 85-90 deg C on the motorway and in traffic. I didn't check my water temp but previously in similar conditions it runs around 88/90 mark

    3rd sensor - Under bonnet temp
    Rather than use the 3rd sensor for another water temp reading, I decided to put this right near the stock intake box so I can see my under bonnet temp which could be quite useful on track

    Then straight from Grinspeed over to EFI to get the map done ...

    Ambient was around 18 deg C.

    Did a few runs on the stock map first to get a baseline. That came out around 208 bhp.

    Then did a few runs on my 'etune' to get another baseline and that came out around 210 bhp.

    Chris mapped it from the stock map so we know its spot on and managed to squeeze 215 bhp from it top end which is pretty much what I was expecting. He said he started to get back pressure at the top end so had to back it off as the exhaust started to restrict it.

    All looks good now and I can be confident giving it some beans on the track now with the AFR nailed down

    BLACK line - EFI map
    RED line - etune
    BLUE line - Stock (with mods)
    FAINT BLUE line - Stock (approx without mods)



    Surprised how rich the stock map is ...



    If you need your car mapping, go and see Chris at EFI, really nice guy and takes time to explain what he is doing and why.
    Black FN2 2011, Factory LSD, Koni's, Eibachs, FRSU, Custom CAI, FlashPro, Brembo's, FD2 Oil Pump

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    MARKTHOMASBRAND (29-08-2019)

  14. #9
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    A few more bits completed.

    Back seats removed, spare wheel removed and TRS harness fitted.



    The eye bolt next to the centre console was a squeeze, but it just fit without 1mm to spare! ...



    Door side ...



    Could only get 1 bolt in the rear, which sits in the seatbelt location hole. I've left my seatbelt in anyway, the harness is only to keep me pinned to seat really.



    The compromise is that the drivers seat only goes this far forward now ...



    All nice and tidy ... and a bit louder ...

    Black FN2 2011, Factory LSD, Koni's, Eibachs, FRSU, Custom CAI, FlashPro, Brembo's, FD2 Oil Pump

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    MARKTHOMASBRAND (05-09-2019)

  16. #10
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    You need a harness bar bud to lift those harnesses high enough. If theyíre too low, which they most likely are right now, youíre risking spinal injuries in a crash.


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