EK4 user from Japan


R

Rvside2010

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Joined
Feb 15, 2010
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Hi, I am an EK4 driver of Gymkhana as Japanese original competition,and interested in UK civic circumstances and settings.
My set up is below,
-Fr coil:20k or 18k
-Rr coil:6k or 8k or 9k
-Absorber:GAB(KYB product and my original set up)....I want Bilstein in reality.
-body reinforce: sus tower bar(Fr & Rr), Adding Spot weld for Door part
-Others:Rr lower arm pillow ball, rigid Engine mount, hard suspension bush

My car history is below,
-EK9(#1)
-SW20(Toyota MR2)
-EK9(#2)
-EK4

Would you tell me UK civic circumstances and settings for EK4&9!!
Sorry for my bad English:thanks:
 
welcome to the website
Webサイトへの歓迎

they are the same in uk EK4 & EK9
 
Yokoso otomodachi! genki desu ka? Strange to see a Nihonjin in a European Honda forum. I always wish my japanese where better to participate in Japanese Honda forums!
 
Hi everybody, and Thank you for any replies.
I determined to join this forum because I am interested in
civic tuning in Europe and difference between Europe and Japan.
$EK4-1.jpg

In Japan civic is major 'Hashiriya' machine.
'Hashiriya' means amateur driver running winding roads and circuits.
Let's talk about various information for civic tuning and driving technique. :thanks:
 
Welcome mate!! I'm also very interested in the way we do things differently from you guys in Japan. It's quite rare to see different wheels on each axle here, is there any reason why you've done this to your car?

Aslo, why do you run such high springrates on the front by comparison to the rear?
 
Welcome, i am alos intersted in this. Max your right people are normally to worried what other people think to run different wheels on each axle.

To be honest I have allways thought of most civic's in japan being tuned the way they should be seeing as its originally a japanese car and most of the best aftermarket Honda parts are made in the land of the rising sun.

So it would be great to see what your avarage civic in japan had running on it, i can imagine you can go so low out there as they dont have falling apart roads all over the place with pot holes so big you often find marine life at the bottom.
 
Jokeshopbeard said:
Welcome mate!! I'm also very interested in the way we do things differently from you guys in Japan. It's quite rare to see different wheels on each axle here, is there any reason why you've done this to your car?

Aslo, why do you run such high springrates on the front by comparison to the rear?
Click to expand...

Hi, Jokeshopbeard-san,
The different wheel purpose is to increase cornering speed and front axle traction. However, I use it properly by the course.
-A course with many tight corners: Fr 225/45R16
Rr 195/55R15
-A course with many long straights:　Fr 205/55R15 or 195/55R15
Rr 195/55R15

High front springrate is the result of the best tuning according to high performance tire as 225/45R16 and high speed corners.
And front 225 tire needs understeer characteristic by
comparison to using same size tire on eace axle.
(Too soft front springrate tends to oversteer, It causes difficult driving.)

I use Japanese soft compound tire for competition, ADVAN A050
(Yokohama rubber) or POTENZA RE11S(Bridgestone), Do you know???
The lateral acceleration of those tire is very high near racing car, so it is necessary to use high springrate.

Is it an answer that you request?:)
 
:welcome: to the forum!

Thanks for sharing information, why in Japan some drivers use staggered wheel configuration? for example 16" wheels on the front and 15" on the rear?

I think we all have a lot of questions for you! :D
 
$DSCN0311.jpg

$ek4-3.jpgHi,everyone!!
The reason of using 16" tire is to get fastest lap time on my favorite course.
My past test results as below,
-Test vehicle : Mitsubishi Mirage(1.6L engine)---not use civic:D
-Test course : Tight corners mainly, one lap time is about 26-27sec.
-Test tire : Yokohama ADVAN A048
Results
-Case1:Fr 225/45R16 Rr195/55R15 ----Best lap time 26.23sec
-Case2:Fr 205/55R15 Rr195/55R15 ----Best lap time 26.70sec

So,I have used 16" tire for front axle.

It changes depending on the condition and settings and straight speed.
Especially, I think that the influence of the gear ratio is large.
I want low ratio final gear.(normal ratio is 4.40)
....Ring gear and couter shaft as Spoon(ratio 4.6) or 98spec integra parts
which is manufacturer brand-name parts(ratio 4.785).
But, integra parts needs to change differential assy at EK4 transaxle.
(EK9 is ok.)
 
Rvside2010 said:
View attachment 8752

View attachment 8753Hi,everyone!!
The reason of using 16" tire is to get fastest lap time on my favorite course.
My past test results as below,
-Test vehicle : Mitsubishi Mirage(1.6L engine)---not use civic:D
-Test course : Tight corners mainly, one lap time is about 26-27sec.
-Test tire : Yokohama ADVAN A048
Results
-Case1:Fr 225/45R16 Rr195/55R15 ----Best lap time 26.23sec
-Case2:Fr 205/55R15 Rr195/55R15 ----Best lap time 26.70sec

So,I have used 16" tire for front axle.

It changes depending on the condition and settings and straight speed.
Especially, I think that the influence of the gear ratio is large.
I want low ratio final gear.(normal ratio is 4.40)
....Ring gear and couter shaft as Spoon(ratio 4.6) or 98spec integra parts
which is manufacturer brand-name parts(ratio 4.785).
But, integra parts needs to change differential assy at EK4 transaxle.
(EK9 is ok.)
Click to expand...

just a shorter final drive off the N3E won`t help if your B16A is stock. It`s a weak engine lucking torque down low, which i think would benefit more from a 4,9 final drive and shorter 3rd-4th-5th gears if it`s only your track car.
 
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