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Old 06-06-2016, 08:06 AM   #1
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Default Red NA, and another red NA, and another red NA, and another...

I didn't really know when I would start this but today and today's events seemed like a good place to start.
This is my car...





At the track as often as I can with it, nothing competitive just sprints.




At Lakeside in Brisbane...


and Morgan Park in Warwick...


This one is actually my third red NA, but more on that later. (keen observers may note I warned that you'd need to keep up with all the red car's when I introduced myself!)

This one we've had since November '15. It was put together by a friend of mine (tbro on this forum) for Production Sports racing and I can't take any credit for the work on building this car or the motor. So generally I feel a bit lucky to have a car with so much work since I hadn't been able to swing building a motor myself yet. It is currently our only car so it gets driven everywhere every day, and I'm not too gung-ho with it at the track because of that.

In a nutshell the car is what is in the signature. I have a spec list that Terry wrote up I can lay on you, but I don't know what power the car makes. Details of whats in it will emerge as I document fiddling with it. It's nice and torquey over a stock car without being tuned to fragility which makes it good for both the road and the track.

Enough jibber jabber. What happened today...
Attached Thumbnails
Red NA, and another red NA, and another red NA, and another...-n5x8wok_zpslaldhu3y.jpg   Red NA, and another red NA, and another red NA, and another...-iakpjcy_zpsqo1qa3sy.jpg   Red NA, and another red NA, and another red NA, and another...-xjsobwm_zpsvhvx5p1j.jpg   Red NA, and another red NA, and another red NA, and another...-m0ahqyq_zpsn4rhmigg.jpg   Red NA, and another red NA, and another red NA, and another...-e247317a-731f-4e00-8aa4-caf7614d593e_zpshel8pxjt.jpg  

Red NA, and another red NA, and another red NA, and another...-slug68_frombehind_zpsgverzox6.jpg   Red NA, and another red NA, and another red NA, and another...-mp_slug68_small_zpsc1borvao.jpg  

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Old 06-06-2016, 08:16 AM   #2
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wow! clean!
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Old 06-06-2016, 08:49 AM   #3
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Today was a track day.. woo! yeah! I love that club days are always on a Monday because it means I have the added bonus of it being a day off from work.

Not thinking I'd be able to this weekend, I did a bit of a service last weekend, oil and filter, checking that the brake rotor and pad change was behaving itself etc. Noted that the diff was leaking a bit of oil from one of the side seals, not a shitload, but hey, something to fix on this car that otherwise just goes!

During the week procured new diff seals to fix this weekend, but I also had a new squeaky noise start from the left front. Couldn't place it... another thing to add to this weekend list.

Diff seal... I think with this style of half shaft you can't take it out without also taking apart the upright? Torsen 2 diff, 4.44. Anyway fearing messing with the alignment by making a big deal out of it, I decided to refresh its oil instead for the moment and deal with the seal post track day. Onto the squeak investigation...

Mother. ******.


We're not short of a few MX5's in the yard and the general rule is working or not, if its been parked there for half an hour its officially parts until it moves again, so I go to rip one out of another car. I didn't realise until I was most of the way removing it that they are spot welded to the chassis. It didn't seem too tricky to get in there and drill it out, but it means radiator removals to fit drills and we have another rule that any time estimation you have to multiply by 3 (because with us that is always true), and I just wasn't sure that it would get done without going late, and I can't stand emergency rushing to get to the track. I like **** to be not rushed.

So instead of driving, today I fixed it.

Drilled out the welds and removed part from donor car.


There looked to be enough room to drill with the stock radiator so I left it there but I did mess up some fins a bit, so took out the big radiator in my car. So much room in a car with no aircon or power steering faaark.. maybe I don't want to put those in this car!


Except for the odd shithouse bolt it went back together ok and all is well again.
However I'd like to change to the heavy duty box mounts. I had a google and it seems there's really just the AWR ones and everybody sells those unless I'm missing something. Not especially cheap.. might be worth attempting a group buy for us stuck in the **** end of the world.
Attached Thumbnails
Red NA, and another red NA, and another red NA, and another...-e7d12042-7d05-4de2-a16f-2400f3722504_zpsoqvzlwq5.jpg   Red NA, and another red NA, and another red NA, and another...-fda94cc0-5e30-4d31-8740-bae2d7334956_zpsrt1escfb.jpg   Red NA, and another red NA, and another red NA, and another...-66fc3a71-ec7e-4efd-bd64-cd6f86b494fa_zpsrth1ny0q.jpg  
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Old 06-06-2016, 09:41 AM   #4
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AWR is nice stuff, but if you have the ability/access to proper tooling, I would just make a set.
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Old 06-06-2016, 10:03 AM   #5
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I have the awr mounts and they work great. But it sucks when having to remove the front upper control arms as the long bolt is then blocked. You have to remove the radiator and mounts or drop the subframe to get to the arms out.
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Old 06-06-2016, 07:31 PM   #6
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Future me doesn't like the sound of blocking off long bolt access. They don't come out often but I know they'll have to at some point, and it seems like the AWR's are a snug fit to put it mildly.

I've now also come across the Racing Beat kit with the blocks you put in between and a brace... its a bit cheaper. Maybe designing and tooling a set is a good option, perhaps its possible to make one that still allows for long bolt removal, so will ponder that.
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Old 06-06-2016, 08:41 PM   #7
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+1 on the Racing Beat Sway Bar Brace Kit, cheap, easy to install and even handled multiple track days with a 1.25" OD Racing Beat sway bar on my NB (which I think has even dinkier mounts than the NA).

MINX has also used these on his car for years with a 1.125" Racing Beat sway bar so you know they work.

I bought the AWR mounts too, but like you, didn't like the idea of screwing up long bolt access so never fitted them.
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Old 06-10-2016, 08:27 AM   #8
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Potted history of the red fleet...

First was a '91 bought in 2009.


Amongst other bolt on mods, tried the make the suspension work but it didn't really, too low, too much rake, too stiff and horrible.

Bit of a bingle so we gave painting a go. Acrylic and it turned out fair but a bit of orange peal. Decided I loathe painting, way too many fumes.


Still got to eat!


Loved the Artworks Dewa stuff so had to have ones that popped up


The most significant thing for me with this car was a fantastic road trip Brisbane to Melbourne and back. I diverted us through an extensive twisty path over a week and it was driving bliss. Cemented my love for the roadtrip and for driving MX5's allllllllll day.





Upon return my friend was finally convinced he should have one, so early 2011 he bought me an NA8 with aircon (roadtrip was the height of summer and the lack of aircon was front of mind) and the NA6 went to him.



Paint on the NA8 was not outstanding, and motor turned out to be not so great so swapped it and the interior which was a bit crap too.
By this time the business I worked for had sold the company and shut down the work here, and we ran away with an outstanding deal on the two post hoist we used to film underneath cars, so life in the garage became infinitely better.




Moar Dewa.


Sometime in there another friend moved back from the US and bought himself a turbo NA6 we know as the Turbonator.
I was able to do more trackdays at this point. Added Yellowspeed coilovers which were fine on track but horrible on the road.



The NA6 had become a trackday car with some better suspension, big brakes and a Kaaz diff, but wasn't getting driven very often.


Last year got to hit the road again for a week or so. MCA coilovers made the car a lot better on the road and still pretty good on track but not a stiff setup. Exhintake mod for funsies.


Set a cracking time of about 7m30s at Mount Panorama.


Things were going well with the car. It only failed me one time blowing a spark plug out on the freeway not too far from home.


Last year I prepared for some major activities... bought an LSD, cams for the VVT motor that had been laying around two years, an Adaptronic and Wideband and a second set of wheels for the sticky stuff... I was going to get **** done.

Instead I experienced the first proper binning at the track.


A bit disheartened but didn't dally about and bought into the considerable upgrade that is the current car. Hooray!

Convinced Josh that he's never going to drive the NA6 enough to keep it as a road car, and that we should merge the bits from the NA8 and the VVT motor into the big braked NA6, so I'll get to that as soon as I can stop having to fix the turbonator all the time.
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Red NA, and another red NA, and another red NA, and another...-cootha_090817_06.jpg   Red NA, and another red NA, and another red NA, and another...-my5_filler_nose.jpg   Red NA, and another red NA, and another red NA, and another...-my5_nosepainted.jpg   Red NA, and another red NA, and another red NA, and another...-my5_retardedcousin.jpg   Red NA, and another red NA, and another red NA, and another...-gaugestestfit.jpg  

Red NA, and another red NA, and another red NA, and another...-kosciusko_park02.jpg   Red NA, and another red NA, and another red NA, and another...-reefton.jpg   Red NA, and another red NA, and another red NA, and another...-shangrila.jpg   Red NA, and another red NA, and another red NA, and another...-tumutpond.jpg   Red NA, and another red NA, and another red NA, and another...-na8_01.jpg  

Red NA, and another red NA, and another red NA, and another...-wip.jpg   Red NA, and another red NA, and another red NA, and another...-dash_removed_01.jpg   Red NA, and another red NA, and another red NA, and another...-slug8_gauges_dusk.jpg   Red NA, and another red NA, and another red NA, and another...-130715_teamslug_zps47708f45.jpg   Red NA, and another red NA, and another red NA, and another...-67927d79-8b77-427f-ae01-64de755c2fc2_zpsmuhiqewt.jpg  

Red NA, and another red NA, and another red NA, and another...-2015_driving_zpshrbuy7tv.jpg   Red NA, and another red NA, and another red NA, and another...-slug8_mtpan01small_zpszecnwdtg.jpg   Red NA, and another red NA, and another red NA, and another...-19b87543-826f-4b4a-83a7-646591e7c7de_zpstjzbpdpm.jpg   Red NA, and another red NA, and another red NA, and another...-img_9824_zpsh9p4wq34.jpg   Red NA, and another red NA, and another red NA, and another...-d379025e-de7b-46ff-8d19-24ec9d0ff20e_zpsmrhgw4mu.jpg  

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Old 07-11-2016, 08:16 AM   #9
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Back at Morgan park this weekend.
Foggy start to the morning
Red NA, and another red NA, and another red NA, and another...-8187de71-5545-45c0-b3d3-b608d259c012_zpsrhrc9vcp.jpg

Bunch of other cars that thought they'd try it on.
Red NA, and another red NA, and another red NA, and another...-c8d8fa5f-8327-42b1-857d-1a07bb9f858d_zpsuujk8yyy.jpg

Here's some of the full track there, really like the long one

4 second improvement on the last time on this circuit aww yis, but I think I was less brave on the brakes.

I can hear and feel a bit of creaking when the car is really loaded up like going round the big left hander along the cement wall so the sway bar brackets aren't that happy... consequence of a really big bar but not that stiff on the spring.
So a more permanent solution to the sway bar brackets, and suspension in general.

Last edited by slug_dub; 11-12-2016 at 08:25 PM.
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Old 11-12-2016, 09:04 PM   #10
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I've just realised I linked the wrong video in that last post from Morgan Park, it was the same one from the first post. Fixed.

Recent activity include more track day at Lakeside and Morgan Park.

Always now preceeding the day and when I start at Lakeside I tell myself not to push it, as it has close barriers and is where I killed the last car, so it generally takes all day to go fast. On the last lap of the day I posted a 1:05.6, a 1.5 second improvement on the last time out.


At Morgan Park was able to practice a little wet weather, but took it very easy. I forgot crucial GoPro mounting components this time unfortunately :(
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Attended a skidpan to learn how to skid. I'm very **** at skidding.
Have now ripped the other sway bar mount so thats the next thing to fix.
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Old 11-28-2016, 03:57 AM   #11
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Well this should fix the sway bar problem.
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Lokiel mentioned in the thread earlier he had AWR mounts he hadn't used, so I nabbed them from him... and an RB one as well because options! But went with these.

They fit quite easily with only a little massaging and didn't even need modification of the radiator support bracket, which I was expecting.
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Old 11-29-2016, 11:36 AM   #12
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I like red Miatas. We installed the AWR swaybar mounts in our car because it's the easiest way to get NA8 sway bars into NA6 chassis when doing a BP motor swap but I hadn't thought about the conflict with removal of the upper control arm long bolt. That means my next shock/spring install is going to take a little more effort than usual.
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Old 11-29-2016, 05:51 PM   #13
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I was worried about that too but PO reminded me that the bushes had been done before, and unless I break the car I don't think I'll have to take the arms out anytime soon (touch wood)

The box mounts did install with much less persuading than I was expecting... practically none, which may mean they aren't that difficult to take off either... one can hope!
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