Epic Grassroots Racing At Idlers
Grassroots Excellence

If I had to sum up what an idlers club event is all about, the most fitting term would have to be ‘grassroots excellence’. Japan certainly has one of the most active amateur motorsport movements around the globe, with so many types of racing making it into the mix.

The Tsukuba round of the idlers games has been one to look forward to for many years now. Seeing, hearing and breathing racing at this sort of level for some reason makes it all the more special. There are no overly-strict racing organisations forcing people to abide to tough regulations, the only rule people try to stick to is making sure they have plenty of fun!

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Upon my arrival at Tsukuba early on Sunday morning things were buzzing. Cars were already numbered and neatly lined up in various corners of the paddock, organized into classes. Each driver had to take part in the morning meeting, where they were told by the organisers to have plenty of fun, but to do so in a polite and safe manner – again emphasising what these events are all about.

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The energy in the air was tangible as cars were being slowly warmed up by gentle repetitive revving; a concoction of noises, naturally aspirated, turbocharged, in-line, V6s, you name it.

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Oh, and let’s not forget about the flat-six component of idlers – a class of cars that is synonymous with the club. It’s also a great way to show you guys that not every Porsche you see in Japan wears the RWB name.

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Take this car for example – a 993 GT that was brought to the track complete with a couple of mouthwatering sets of old center-lock wheels straight from its JGTC days.

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And talking of wheels, I spotted my first set of RAYS Volk Racing ZE40s in the wild. They were wrapped in some pretty serious looking slick rubber and ready to be fitted to the widebody BNR32 you see in the background. Don’t worry, I’ve got a spotlight of it coming up, so you can read all about it then.

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The Japanese certainly love their GT wings and the stacked look is seemingly something that almost all 911 racers want to run on their cars.

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In the very last pit of the paddock I spotted Nakai-san catching a few minutes of shut-eye after a pretty hectic week getting a lot of his customer cars ready for the event. Hard work means that hard play follows and to enjoy himself at idlers he brushed the cobwebs off of Rotana; had the wheels body color-matched and swapped in a fresh new transmission ready to attack Tsukuba’s tricky corners.

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It was also very nice to see Rauh Passion – the first RWB 911 I ever drove – again. It’s one car that brings back lots of memories of Mt. Tsukuba; tail out fun and the craziest backfires!

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Challenge Racing had a lot of customer cars present too and I always love how they do things differently compared to a lot of other specialist Porsche shops. There is all sorts of awesome wheel porn going on here!

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It doesn’t matter what amateur track event you make it out to in Japan, you are always guaranteed to come across at least one Porsche Cup car – like this 997 GT3 which looked and sounded sensational.

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Yep, JDM 911s come in all flavours!

Variety A Must
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Away from the massive 911 line up there were a few nice European cars worth checking out, like this Giulia which we have seen in the past, sporting generous fender flares riveted in place so that the semi-slick tyres can be contained.

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Not too far away was this Bug, which I thought was a perfect example of how the Japanese prepare their cars for serious grip racing. Appropriate offset and sticky tyres are always a must – not to mention the right sort of high-end adjustable suspension. On the performance side of things this VW was boasting a nicely tuned engine as those trumpeted carbs suggest, and a titanium exhaust no less. Pretty awesome stuff!

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And let’s not forget the American contingency. Granted, these particular cars weren’t entered in the competition, but there were two others that caught my attention. You’ll  have to come back and check them out in detail once I finish putting together my Spotlight-O-Rama post.

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I headed to Tsukuba with Speedhunters’ Community Manager, Taryn, who is spending some time in Japan at the moment. Needless to say, she couldn’t keep her eyes off these two S30s, for obvious reasons.

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idlers club also has a class dedicated to open wheel racers, so there’s never any shortage of interesting cars to check out – like this March 702. I wondered why it wasn’t wearing its front wing though?

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The GT-F class is where the more street-oriented cars are entered in and the one with the most variety.

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As I walked around the circuit scouting trackside places to capture the action from, I kept running into interesting parked cars to shoot, and this Evo III was certainly one of them. I love all the mid-’90s period-correct stickers!

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Hachirokus have always been a big part of idlers and quite a few turned up to head out for some hot laps.

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Except, the majority weren’t there to grip…

Drifting Makes It Io idlers
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It was quite a welcome surprise to see that the guys behind idlers adding a drift class into the day’s programme – something I hope to be seeing at every one of their future events. That’s why the guys from N-Style had made the trip over from Gunma; jumping at the chance to drift Tsukuba. For drifters, this is one of the top circuits in the country to drive on.

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They were certainly enjoying themselves and provided ample entertainment for everyone watching from behind the fences.

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It meant I finally got to see Yuuya’s E46-faced Nissan Silvia S15 out in action, and I have to say, I really like the all-white body it has now!

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The #76 Promodet 993 kept luring me in from across the paddock. I don’t know what it was – the RWB exterior treatment perhaps?

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Or the gold-centered BBS LMs?

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Nah, what really did it was the rear end, or more specifically – the turbo set-up that was proudly exposed through its cut-out rear bumper. This may well be the automotive equivalent of a pair of big balls – or at least one.

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Yes, the Japanese do it so, so right.

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As I was taking a break from the late-spring sun-rays I noticed how the idlers race queen had been told to wave good-bye every car exiting the pit lane. I thought that was a very Japanese thing to do, and it made for a very memorable photo. Bye-bye ridiculously cool Mr. 914!

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Just to complete the impressive variety, the aforementioned muscle was a very welcome addition. Z28 Camaro on Watanabes? Hell yes!

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Lined up right behind the Chevy in the pit lane was the Shimada Racing Hakosuka, which always looks damn good sitting on those bronze RAYS Volk Racing TE37Vs.

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I always smile when I see this Lotus Cortina at idlers events. If it wasn’t for the aggressive wheel fitment and bumper-less exterior it would almost look like a boring saloon. Although, that’s only before you hear it! I’m not sure what’s been done to engine but it puts out one of the raspiest and barely-silenced screams you could possibly imagine.

Track Action
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You don’t often see German racing stripes, but boy do they look good when applied to a car like this RWB’d 930!

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Breaking up the long 911 group were a couple of Japanese cars from Garage Kagotani, one of which was this wide-body Impreza that I’ve seen before at Battle Evome events. Like the BNR32 that accompanied it, the WRX STI was out for a bit of fun as well as a test for its new set-up.

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Nakai didn’t bother taking the Rotana out during the first practice sessions in the morning, preferring to go straight out into the qualifying lap.

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His performance would dictate the position that he would start from in the friendly race that is held at the end of the day. He looked like he was enjoying himself out there, taking full advantage of all the power the turbo engine churns out and getting the car sideways at almost every corner exit.

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Seeing the RWB 911s out in action reminded me of the amazing time Larry and I had last year competing in the 12-hour endurance race at Motegi. I’m still blown away at how easy these cars are to drive!

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The driver of this RSR-style 930 was keeping the loud pedal pinned on the exit of the Dunlop corner – a tricky turn where you have to adjust your throttle to make sure you don’t oversteer or run wide on the exit. Like many of the other drivers, most of the time he was holding a few degrees of counter-steer , which looked rather cool!

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After the Porsches it was onto the Z guys, who had Tsukuba all to themselves with their own class. Thanks to the Z-car Challenge – a one-make race series in Japan – the Z33/Z34 has become quite a popular car to get into amateur racing with, which is why there are always so many of them at these events.

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The AE86 class was exciting as always with a mix of tuned cars, and the wilder N2-spec wide-body machines.

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This class is all about lap times and gripping, but by nature the Hachiroku always likes to be driven on the throttle as this driver perfectly showed while powering out of T1.

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Hachi-rat?  

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The sheer atmosphere of this event is only surpassed by the cars themselves, which is why I’ll be following up this first post with a Spotlight-O-Rama to highlight the five cars that stood out the most to me. Until then, make sure you download some of shots in hi-res for your desktop!

Dino Dalle Carbonare
Instagram: speedhunters_dino
dino@speedhunters.com

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1
Jeroen Willemsen

I just saved all the photos ;) I just love thse Idlers events!!

2

Grassroot racing? looks alot like some expencive cars to me..

3

EMyrdal So what, are only people with cheap cars allowed to participate?

4

Awesome in-depth coverage Dino...hopefully theres more!

5

EMyrdal There are old Corollas there :)

6

Not at all, I'm just saying, a Porsche ain't exactly grassroot.. I'd say grassroot racing has a cap on "affordable for everyone" like, late 80's to mid 90's type of cars with mild tuning. Like stickier tires, slightly bigger brakes and some slight handling mods. Not like a 50k Porsche. And that is my opinion, yours may vary. :)

7

Great coverage as always Dino, thanks for posting!

Hoping to see some more Idlers BMWs if they're on the way, especially of the 318is variety whilst im stretching my luck :)

8
speedhunters_dino

@Jeroen Willemsen Haha thanks buddy! :)

9

EMyrdal These Idlers track days aren't just about the Porcshes - did you read past the first chapter? There's always a huge variety of cars participating!

10

EMyrdal expensive to you but not their owners. Racing is racing regardless of budget. These aren't professional racers but real owners driving cars they love.

11

Can someone at Speedhunters HQ please send Dino a video camera so he can start filming some of these events?  Thanks!

12

What's the black/yellow/red Lotus behind the Rotana Porsche (4th pic down in the last chapter)? Not a 2-Eleven, but looks fairly similar?

13
speedhunters_dino

@beany Sounds would make it all the better :)

14
speedhunters_dino

ra64freddy! There is more coming :)

15

Have been looking forward to this coverage. Nice one Dino.

16

Needs moar Porsche :p

17

I love the Idlers coverage.  More more more!

18
speedhunters_dino

sean klingelhoefer long hood perhaps?

19

Verdigrie I currently drive one altough not in japan and I'm currently designing a double a arm front suspension for it

20

KiwiMotoring It looks like a cut up Exige/Elise w/ a chopped windshield that's been modeled after a 211.  It also looks to have a widebody TiRacing / Outerplus front clam, at least from this angle.

21

I love Idlers coverage. I sploosh all over it. see. SPLOOSH!

22

that red rwb porsche is hot... n that 930 with the with the stripes!!

23

Now this the type of SH coverage I like.

Good job, Dino!

24
speedhunters_dino

ITRbroham :D

25
speedhunters_dino

KRaZyAmmo Excuse me? lol

26

KiwiMotoring If Dino ever got around to his Outer Plus feature you might get more detail on it!!! lol

27

Really cool event, makes me really wanna buy a Beatle

28
PatrickJakobsen

anyone know the colour on that cute little pink ae86?
was looking for something similar for my own

29

86s, 964s, 993s just dominate idlers. Is there going to be an idlers 12h? Sorry, I don't know if it's annual haha

30
31

EMyrdal Agreed

32

Very keen to see more of Real of the World and Labyrinth Jewel.

33

JorgeMoreira1 Verdigrie Oh cool, I'd be really interested in seeing your design. What made you want to move away from the McPherson strut design?
I've had my 318is for about 6 years now, I'm just about to fit a set of ITBs from an S52.

34

more N2 coverage!!!

35

First chapter I was like 'grassroots?' lol. Great coverage Dino

36
speedhunters_dino

Swonz Yeah next month in Motegi

37
speedhunters_dino

RacingPast Grassroots JDM style :D

38

Verdigrierie to much understeer at medium and low speed corners. Right now i'm in the process of finding the information regarding the caster camber kingpin and ackerman of a stock bmw. And with the height I have the outer wheel goes to positive camber.

39

Awesomeness!!!!!!!!!! Loved that 914!

40

Can anyone tell me what the 5 spoke split rims on most of the rwb cars are?

41

Love that JDMized Giulia :)

42
AlejandroRamirez

EMyrdal I was thinking exactly the same. Great pictures, great cars and all...but it's not grassroots when you have oodles of cash to spend...

43

speedhunters_dino KRaZyAmmo It's SO HYPE! I need to go there!

44
speedhunters_dino

JDM_Luca Bellina, eh :)

45
speedhunters_dino

BenHanks RWB now gets its now lineup of wheels done at Work

46
speedhunters_dino

dangina Not much there honestly, there were only a couple

47
speedhunters_dino

emotional_r Feature maybe?

48
speedhunters_dino

joshwfifty5 oh ffs lol

49

speedhunters_dino emotional_r I would not say no to reading such a feature.

50
speedhunters_dino

emotional_r speedhunters_dino Well I'll probably get to it eventually but in the mean time don't miss the story on Nakai's latest 911...coming up very soon

51

PatrickJakobsen I think it's ruby red (Porsche L2?) 

http://minkara.carview.co.jp/userid/424536/blog/33135958/

52

If only we had such an awesome environment and track in Vancouver :(

53

JorgeMoreira1 Verdigrie Are you currently on stock suspension? If you are, before you tackle the control arms I would suggest experimenting with some aftermarket suspension. The stock geometry is very conservative and is set from the factory to promote understeer.
With some much needed camber from adjustable top mounts or spacers in the lower hub bolts, increased caster from offset bushings and a suitable wheel/tyre setup you can drastically increase front end grip and turn in.
I'm running KW variant 2 coilovers, -2.5 degrees of camber per side, -1 degree total toe and increased caster (I can't recall the exact number) from using 1995 M3 offset lollipop bushings and a pair of 225/45/17 Kumho Ecsta LEs.
It now is at the stage where I am having to increase rear end grip to compensate.

54

Verdigrie JorgeMoreira1 I have kw springs and dampers, 225/45/17 pilot super sport, and it's also a engineering study for my faculty

55

Every single car in this entire event is awesome.  EVERY. SINGLE. CAR.

56

JorgeMoreira1 Verdigrie

57

JorgeMoreira1 why don't you just re-design the Strut setup for your new right height? 
I did this on my Silvia.  Modelled the geometry in CAD at the new "track" ride height and set up my camber gain, roll centre, etc all to where "theory" would suggest at the new static height.

58

Dino are spectators allowed in the pits at Idler's days?  How much foot traffic do these events get?

59

speedhunters_dino are spectators allowed in the pits at all at Idles' days?  How much foot traffic do these days get?

60

Any chance of a z car challenge write up? Thanks.
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