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-   Suspension, Brakes, Drivetrain (https://www.miataturbo.net/suspension-brakes-drivetrain-49/)
-   -   Xidas rubbing on FUCA! HELP! (https://www.miataturbo.net/suspension-brakes-drivetrain-49/xidas-rubbing-fuca-help-97424/)

icantlearn 07-11-2018 05:24 PM

did you have EJBJ at the time? And what were ride heights at?

aidandj 07-11-2018 05:28 PM

Yes. 3.75 or 4 in the front. 4 or 4.25 in the rear.

Braineack 07-11-2018 05:31 PM


Originally Posted by MiataMan00 (Post 1490916)
Execpt when the vendor is tailoring the shock to work with your specific chassis, and gives you no shock body height adjustment. That just puts the customer in between a rock and a hard place.

put a hard place between the shock body and bumpstop. problem solved.

icantlearn 07-11-2018 05:37 PM

And thats exactly what I did. But it shouldnt have been up to me to do that. That is all.

icantlearn 07-11-2018 05:39 PM


Originally Posted by aidandj (Post 1490949)
Yes. 3.75 or 4 in the front. 4 or 4.25 in the rear.

Mabe its an NA thing, or mabe you actually arent in the bump stops as much as you think you are. Your car is lighter, so take that into consideration too

Braineack 07-11-2018 05:40 PM


Originally Posted by MiataMan00 (Post 1490951)
And thats exactly what I did. But it shouldnt have been up to me to do that. That is all.

i had to do it on my uncannily short koni shocks...

asmasm 07-11-2018 05:42 PM


Spring size has nothing to do with this
I think Aidan is mentioning spring size as a proxy for shock diameter. The Xida is not an abnormally large diameter shock body and the clearance issue you experienced isn't a problem specific to Xidas.

Edit: And it looks like two pages of posts popped without me noticing..

aidandj 07-11-2018 05:44 PM


Originally Posted by MiataMan00 (Post 1490952)
Mabe its an NA thing, or mabe you actually arent in the bump stops as much as you think you are. Your car is lighter, so take that into consideration too

If you have ever done a falluja-cross at PIR you will find out real quick where your bumpstops become solid...

18psi 07-11-2018 05:52 PM

hey thumpett00 I mean miataman00

icantlearn 07-11-2018 05:54 PM

?

BMWidmer 07-11-2018 05:55 PM

How can that joke go over your head....

icantlearn 07-11-2018 05:57 PM

I guess im missing somthing here?

emilio700 07-11-2018 05:58 PM

At this point, there is nothing we can write that will change George's mind. He got in a bit over his head, didn't check things carefully and blames the resulting damage on Supermiata. In his view, we should replace his damaged shocks for free, or maybe discounted, while admitting it's our fault. It's impossible to cover every possible interference or incompatibility when mixing various different aftermarket parts with various adjustments that change their function within a system. Engine parts mixed that don't match. Exhausts and motor mounts that don't play well together. Brakes and wheels that are enemies. The list goes on.

If he bought Ohlins from Goodwin and ELBJ from FM, he would have the exact same issue.

Bumpstops/shock length. What we have is proven to work. Does it respond to adjustments and tuning? Can some owners add a few mm thick shock packer to reduce bump travel if desired? Can they revalve? Can they change spring lengths? Yup It's a race car. Tune things. Experiment. Just don't ask Supermiata to spoon feed you every single bit of knowledge you will need to make your Miata work flawlessly. We publish tons, we share what we know. We make good parts that are exceedingly well thought out and made right. The rest is up the tuner to educate themselves as they begin tearing the car apart and doubling or tripling the power.


George,

Please post a pic of your front camber eccentrics as they are right now.

icantlearn 07-11-2018 06:14 PM

Im not accusing you of selling junk. my question is that since the shock body length is fixed, how would you keep the tire out of the fender?

aidandj 07-11-2018 06:15 PM

Bumpstop packers

Roll the fenders

5lb sledge

ITOzann 07-11-2018 06:16 PM


Originally Posted by MiataMan00 (Post 1490865)
Also, for what its worth, the bump stops dont really do anything.

https://cimg0.ibsrv.net/gimg/www.mia...5205b3c212.jpg

Curious to know if you verified the amount of travel you have in this shock. The corkscrew at MRLS will cause interesting damage to fender wells, chassis/frame-rails when suspension is not properly setup. This set up is fascinating.

icantlearn 07-11-2018 06:19 PM

around 4.75" of shock travel

codrus 07-11-2018 06:35 PM


Originally Posted by emilio700 (Post 1490962)
It's impossible to cover every possible interference or incompatibility when mixing various different aftermarket parts with various adjustments that change their function within a system.

While I certainly agree with that statement in the general case, the specifics here are a bit different. It's a pair of parts that you both sell and recommend for use in combination, with a conflict between them that you acknowledge you know about and have seen before. Documenting that kind of thing in the installation notes really seems like it should be a no brainer to me.

--Ian

ITOzann 07-11-2018 06:37 PM


Originally Posted by MiataMan00 (Post 1490970)
around 4.75" of shock travel

I don't know but this looks like you may be running on bumpstops. Your frame rails must be kissing the track surface at the corkscrew.

https://cimg4.ibsrv.net/gimg/www.mia...ab1db7de60.jpg

Scaxx 07-11-2018 06:41 PM

I agree with Ian on this one, while George kinda muddied the waters a little with his bumpstop issue, it takes very little effort to give a quick, "heads up if you're running these two parts together" and it could have saved George's shocks in this case.


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