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Thread: My name is Zico, and this is my Chaste White NA8 build

  1. #91
    2,000 rpm - light wheelspin, no bog here! dnaha's Avatar
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    Amazing shots of the Miata, they turned out great!
    Follow My Build Thread!
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    1997 Mazda Miata M-Edition
    http://mazdaroadster.net/showthread....1997-M-Edition

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    zco (Today)

  3. #92
    2,000 rpm - light wheelspin, no bog here! zco's Avatar
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    Wakefield Park First trackday.

    I attended my first day at Wakefield Park in the MX5 last Saturday, it's been about 6 years since I went there in my Honda Civic. It's a 2.2km/1.36mile clockwise circuit, with speeds ranging from 40-100mph. Avg corner speed is approx. 55mph for a Miata/MX5.



    The day was split into 4 groups, with 15minute sessions each. I was allocated to the noob group, which seemed fine at the time, but 3 laps into session 1, I knew it was going to be a long day. For an entire day at the track, I managed to only fit in 23 laps, 7 of those being hot laps. Couldn't create enough space in between cars to really stretch my legs. I sat in with a friend for a session to watch him drive and picked up a few pointers about which lines to take, but didn't really have an opportunity to utilise those tips due to traffic.





    I came home with a 1:16.2, and it was actually my first hot lap of the day, 1.2 seconds slower than what I as hoping for. Nonetheless, plenty of key takings from the track day which is what I was there for.

    Key takings from the most recent track day.
    -Need an Oil cooler ASAP, but wont have any time to get one sorted before the next track day
    -Need to order some frame rails for the added protection.
    -4.3FD gearing would suit better for Wakefield
    -Black wheels are a PITA to inspect for cracks
    -A little more power wouldn't hurt
    -Car oversteers too much: spring rates on rear might be too high, maybe need a larger front sway bar, or have to toe the rear in.

    I guess the first iteration of my car is now over. I've cleaned it inside and out, replaced nearly all wear and tear items, shake down test at two track days completed without any major issues identified. Daijuku v1.0 completed

    I've got another track day booked for tomorrow at the same circuit, I want to to set a bench mark before my car goes off road for a few weeks for a revision, call it Daijuku v2.0. As I've always intended, the car will remain a street car, with an unopened stock motor. The idea of a simple setup, with understated looks is highly appealing to me (thanks to TurboTom!).

    Anyway, prep work also done for tomorrow's track day. I will be heading out with a mate of mine, Thanh. We're hoping to crack +100 laps between us so we thought we should do a spanner check to make sure everything runs right tomorrow.
    -Torque'd all brake line banjo bolts
    -Brake pad and rotor inspection
    -Re-greased brake caliper slider pins
    -Gave the wheels a wash and visual inspection for cracks, all good! Gotta love quality Japanese made wheels.



    Headed to the local tyre shop for a wheel alignment, nothing too different from previously.
    -Height: 4.5" from pinch welds
    -Rake: 0"
    -Castor: 3.8 degrees
    -F/R Camber: -2.4/-2.1 degrees
    -F/R Toe: 0



    Will post again after tomorrows track day. Hopefully a drama free day.
    Last edited by zco; Today at 08:25 PM.

  4. #93
    Ninja Messiah kung fu jesus's Avatar
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    Toe will help. Your ride height specs are similar to mine. This is my alignment.




    I don’t know how many are in your session, but when you get stuck in traffic, pit in and drive down pit lane, pit out when a gap appears.

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    zco (Today)

  6. #94
    2,000 rpm - light wheelspin, no bog here! zco's Avatar
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    Quote Originally Posted by kung fu jesus View Post
    Toe will help. Your ride height specs are similar to mine. This is my alignment.
    I don’t know how many are in your session, but when you get stuck in traffic, pit in and drive down pit lane, pit out when a gap appears.
    I tried slowing down on the track to create some room on track, got black flagged. Came in and the marshal's first words to me were 'why are you driving so slow'. Couldnt help but have a laugh, wanted to respond 'its a Miata, its as fast as I can go' LOL But yes, driving into the pits wouldn't have worked with the amount of cars we had in our group. Not to mention, I'd then have to restart my outlap before going for a hotlap

    What spring rates and sway bars are you using? I'm on 12/8kg and OEM sway bars front and rear. Alignment guys couldnt reduce the rear camber anymore than -2.1 degrees, I was after -1.9degrees

    Notice you also have toe'd the rear out as well.. That would make my oversteer problem worse right?
    Last edited by zco; Today at 08:25 PM.

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