SAKURA Zero S with OTA-R31 Steering

Post up any do it yourself how to's that does not have to do with counter steer chassis mods.
ridinvintage
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SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Wed Jan 11, 2012 10:28 pm

Just finished installing now I just need to drill some new holes for my servo mounts and get a longer servo horn just dont have enough throw to go full right. Lemme know what ya think.
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[imghttps://sphotos-a.xx.fbcdn.net/hphotos-ash4/377144_525136098140_838701435_n.jpg[/img]
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Last edited by ridinvintage on Mon Dec 17, 2012 5:47 pm, edited 1 time in total.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby DORIYAA! » Wed Jan 11, 2012 11:49 pm

Looks good man, is this going to be a RWD project?

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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Thu Jan 12, 2012 5:40 am

No not yet at least, just waiting on some bearings, that's why there is no axles up front.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Thu Jan 12, 2012 8:24 pm

Finished the install, Just have to tweak the steering a little.
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Last edited by ridinvintage on Mon Dec 17, 2012 5:48 pm, edited 1 time in total.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby arkitekt » Tue Jan 17, 2012 2:59 am

Looks pretty clean job.I like it.Looks like no ackerman and steering angle is enough.
Actually i've been planning the same thing for my Sakura S.Do you mind if i ask which Ota parts you use for this mod?
Did you changed the wheel axle and shaft and are these original Ota parts or Teh R31 copies.
Best regards

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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Tue Jan 17, 2012 8:31 am

For this I used teh-r31 parts, if you look in the manual they have all the parts listed. I would suggest getting the aluminum steering arms from r2 there is some flex in the plastic ones. Also for the holes I believe I drilled them 66mm apart. and for the universals I uses ones from eagle racing they are 56mm and they are capable of 55deg. If you have any other questions just ask.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby arkitekt » Wed Jan 18, 2012 11:16 pm

ridinvintage wrote:For this I used teh-r31 parts, if you look in the manual they have all the parts listed. I would suggest getting the aluminum steering arms from r2 there is some flex in the plastic ones. Also for the holes I believe I drilled them 66mm apart. and for the universals I uses ones from eagle racing they are 56mm and they are capable of 55deg. If you have any other questions just ask.


Thanks mate.Aluminum steering arms are currently out of stock. i think plastic ones will do the job.Where can i get eagle racing universals?
Regards

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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Thu Jan 19, 2012 5:41 am

Broadtech.hk they are for a ta05 just use the search bar to find them.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Mon Dec 17, 2012 5:49 pm

Fixed the pics if anyone is interested in this mod.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby eunique » Mon Jan 14, 2013 7:51 am

thanks for posting this...I am definitely interested in this mod.
Mind if I ask which parts I need? I don't have instructions for R31, so I don't know which and what it all entails.
I already have CS on my Zero S, but I don't have enough angle on steering.
Thanks in advance
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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Mon Jan 14, 2013 4:38 pm


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Re: SAKURA Zero S with OTA-R31 Steering

Postby eunique » Tue Jan 15, 2013 1:07 pm

thank you very much for posting that quickly!!!
I shall put together an order so I can do this mod...
I'll keep you posted as to the progress..it might be a while though since funds are tight after the holidays.
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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Tue Jan 15, 2013 2:43 pm

eunique wrote:thank you very much for posting that quickly!!!
I shall put together an order so I can do this mod...
I'll keep you posted as to the progress..it might be a while though since funds are tight after the holidays.


Sounds good, glad I could help.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby fanfarraum » Thu Mar 21, 2013 6:44 am

Hi ridinvintage

Are you used the knuckle, C-HUB and dogbone from R31 too? Which parts are you using?

I start this mod too, but with the stock dogbone and Knuckle i have a big ackerman and vibration.

THKs and nice work
TC6 - TrackStar 7.5T - 50/50 - Nissan GT-R -COLT
Sakura S - TRACKSTAR 7.5T - CS1.62 - Subaru Impreza 2010 -HPI
DEVILDRIFT R2 - X-Car 5.5 T - 50/50 - Toyota Supra -COLT
SAKURA S original (dá muié) - Bulletstorm 9T - 50/50 - CAMARO 2010 - HPI

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Re: SAKURA Zero S with OTA-R31 Steering

Postby eunique » Thu Mar 21, 2013 7:13 am

knuckle, C-hub are R31 parts...but I believe he used TA05 CVDs (which I believe are 56mm)

the ackerman can be fixed partially by not putting in toe out to your front wheels.
vibration is due to the limitation of the CVDs...when you get the D331 or whichever wide angle CVDs you end up using..you will be able to get rid of the vibration/chatter at full lock.
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Re: SAKURA Zero S with OTA-R31 Steering

Postby fanfarraum » Thu Mar 21, 2013 8:10 am

Again special thks eunique.

This weekend i whil start the "adaptation", then let's see what happens.
TC6 - TrackStar 7.5T - 50/50 - Nissan GT-R -COLT
Sakura S - TRACKSTAR 7.5T - CS1.62 - Subaru Impreza 2010 -HPI
DEVILDRIFT R2 - X-Car 5.5 T - 50/50 - Toyota Supra -COLT
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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Thu Mar 21, 2013 2:07 pm

eunique wrote:knuckle, C-hub are R31 parts...but I believe he used TA05 CVDs (which I believe are 56mm)

the ackerman can be fixed partially by not putting in toe out to your front wheels.
vibration is due to the limitation of the CVDs...when you get the D331 or whichever wide angle CVDs you end up using..you will be able to get rid of the vibration/chatter at full lock.


You are almost I did use ta05 cvd's on this originally because they had not released ta05 length ota-r31 cvd's yet, which are 51mm. Everything can be had from broadtech except the steering posts which you would have to get from somewhere else. The lower arms, c-hubs, knuckles, bearings, cvds, steering assembly, and the correct pins for suspension can be bought from broadtech.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Thu Mar 21, 2013 2:08 pm

Also did you make sure you put the steering rack as far foreward as possible?

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Re: SAKURA Zero S with OTA-R31 Steering

Postby fanfarraum » Fri Mar 22, 2013 5:52 am

Hi ridinvintage

I already bought almost all the things, but i forgot that the bearings are diferent from SAKURA, so i waiting the bearing arrived to start build.

Just a question, you try to build it with the SAKURA lower-arm? the R-31 C-hub fit on it?

THKs for the help, and be sure i will make a lot of questions yet.
TC6 - TrackStar 7.5T - 50/50 - Nissan GT-R -COLT
Sakura S - TRACKSTAR 7.5T - CS1.62 - Subaru Impreza 2010 -HPI
DEVILDRIFT R2 - X-Car 5.5 T - 50/50 - Toyota Supra -COLT
SAKURA S original (dá muié) - Bulletstorm 9T - 50/50 - CAMARO 2010 - HPI

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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Fri Mar 22, 2013 10:13 am

fanfarraum wrote:Hi ridinvintage

I already bought almost all the things, but i forgot that the bearings are diferent from SAKURA, so i waiting the bearing arrived to start build.

Just a question, you try to build it with the SAKURA lower-arm? the R-31 C-hub fit on it?

THKs for the help, and be sure i will make a lot of questions yet.


No I did not try that because you would need a much longer cvd because the lower arms arm much longer than the OTA ones. On a OTA the c-hub is in a different orientation making it stick out to the end of the arm and the knuckle extends out, where on a ta05 varient or sakura zero the knuckle only sticks out as far as the arm. If you need anything else ask.

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Re: SAKURA Zero S with OTA-R31 Steering

Postby eunique » Wed Apr 10, 2013 6:38 am

if you use the Zero arm...you will need long CVDs...I got the aluminum R31 arms to go with the aluminum C-hub and knuckles...I also ordered a set of the plastic which comes with the inner/outer suspension pins...the Zero S pins don't fit the R31 components (slightly too thick in diameter)

Be careful in tightening the thread lock under the C-hub to lock the suspension pin in place...I stripped one of the c-hubs (where the set screw goes in).
I used teflon tape around the set screw and then red threadlock to keep it in place...I had a full session at the LHS carpet drift track yesterday and she handled beautifully!!! I was having a fun time with the Zero CS

I'll post pics of the front components later.
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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Wed Apr 10, 2013 10:39 am

Glad to hear you got it running!

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Re: SAKURA Zero S with OTA-R31 Steering

Postby eunique » Wed Apr 10, 2013 3:55 pm

Yes. ..and thanks for your help....prior to completing the project....I thought that I might not even use it all that much given that I have my fully hopped up D3... but after yesterday, I'll be taking both cars to practice with me all the time now.

Here's pics of the project. ....
Image

Image

Well... It's not 100% complete. ..guess they never are. I did not install R31 steering yet... have FOW and right now it is working good even in that tight drift track with the stock Zero S steering wipers
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Re: SAKURA Zero S with OTA-R31 Steering

Postby eunique » Thu Apr 11, 2013 12:25 am

ridinvintage wrote:Also did you make sure you put the steering rack as far foreward as possible?

Thanks I'll remember to do that when i mod the chassis for the steering wipers.
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Re: SAKURA Zero S with OTA-R31 Steering

Postby ridinvintage » Thu Apr 11, 2013 9:34 am

eunique wrote:
ridinvintage wrote:Also did you make sure you put the steering rack as far foreward as possible?

Thanks I'll remember to do that when i mod the chassis for the steering wipers.


If I remember correctly I placed the mounts 66mm apart, I had to use ball cups to connect the wipers instead of the crossbar so that way I could evenly adjust my toe in/out and ackerman. My chassis has been a whore in PA it is up to its 3rd owner now.


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