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Old 09-18-2019, 06:28 PM   #1
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949 Racing Xida coilovers 86

Some of you know we have been working on Xidas for the 86 platform for about a year now. Development thread on "Blub", our project car https://www.ft86club.com/forums/showthread.php?t=131052

We wrapped up the important valving and dimensional aspects of the design a few months ago. That last element was our custom strut flange, of which final protos just arrived. Xidas will have a separate strut flange for a few reasons.

-Allows shock length adjustments to accommodate different outside tire diameters, camber and fender clearance. By making a modular assembly, we can retain full OEM stroke which is vital for maximum bump absorption on typically bumpy club tracks and public roads.
-Lower cost to manufacture
-Allows users to use any top mount or camber plate with any stack height and still get bump travel dialed in.

We will ship kits with strut flange height set for this combo: 255/40/17 on 17x9, -1.5 camber and OEM upper mounts. From there, owners can fine tune height by assembling one corner completely but removing the spring, pushing the wheel all the way up and verifying adequate tire clearance at full steering lock. With the extremes of stack heights from different camber plates varying as much as 40mm and tires varying in outside diameter by about 20mm then camber affecting tire clearance by 15mm or so then custom vs OEM fender liners another 15mm or so, you can see a single shock length creates severe limitations to getting things dialed in.

The camber range adjustment will vary depending on ride height of course but owners should get about -1 to about -4 depending on ride height.

One issue we encountered with OEM geometry aftermarket struts was the tires hitting the strut casing if we used double crash bolts. So we offset the centerline of our strut casing a small amount to allow the tires to be tilted in further before they contact the strut casing. This will allow drivers to get close to -3 camber with stock shock mounts on 255/40/17 on 9" wheels.

One more day of renting a track to verify everything works the way we want then we go to production. We would really like to get the kits on the shelf and ready to ship before the end of 2019.

Base kit will be single adjustable with either the mellow, street oriented Street spring pack (175/150) or the Race spring pack (500/500). Custom rates available but will add a bit to the kit cost.

Triple adjustable and semi-active ACE systems will follow in Spring 2020.

Shown here with prototype mounts. Production billet coaxial mounts will look a bit different.
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Old 09-18-2019, 06:56 PM   #2
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If piston size was a d_ck swinging contest, you guys would be John Holmes... lol
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Old 09-18-2019, 07:11 PM   #3
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Est price? I will be in the market for a new coilover setup next year. Two years on Flex Z's has me craving a bit more.
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Old 09-18-2019, 08:13 PM   #4
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Old 09-18-2019, 10:04 PM   #5
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Originally Posted by NoHaveMSG View Post
Est price? I will be in the market for a new coilover setup next year. Two years on Flex Z's has me craving a bit more.
Flex Z's to Xidas is like upgrading from a 1996 Civic to a 2019 GT3

Pricing, ETA TBD.
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Old 09-19-2019, 12:47 AM   #6
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Realy nice bit for strut mounts and shocks to be designed right away with performance alignment in mind, as i highly doubt anyone buying these will stick to using OE alignment's 0 front camber. BTW, for adjusting max steering lock to not rub i can suggest this steering limiter kit from Verus originally designed/sold as part from brake ducts to not rub, to not need to make/design something from scratch. Imho right camber is more important on track, then slightly wider max steering angle.

I'd suggest to post also to quicken dialing w/o trying every possible combo some suggested base ballpark numbers to dial shock for few common use/tire types. Eg. for DD/comfort dial this much clicks, for track this, for grippy slicks this.

Some may wish/ask for shock dyno charts.

Can you tell, what current shock bump & rebound travel is front & rear for these? (preferably posting also for comparison stock's).

Also what is advised height adjustment and what are min & max values of range? (to me it doesn't matter so much how low one can slam, but if i will be able to dial it to at least OE height)
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Old 09-19-2019, 07:58 AM   #7
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@949 Racing

Could you please tell me/us what Semi-Active electronic damping is with regard to your Xida dampers?
Ta.
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Old 09-19-2019, 08:33 AM   #8
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@949 Racing

Could you please tell me/us what Semi-Active electronic damping is with regard to your Xida dampers?
Ta.

https://www.ft86club.com/forums/show...&postcount=117
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Old 09-19-2019, 11:37 AM   #9
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Quote:
Originally Posted by 949 Racing View Post
Flex Z's to Xidas is like upgrading from a 1996 Civic to a 2019 GT3

Pricing, ETA TBD.
I can imagine. I didn't plan on running the FLZs for as long as I did.
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Old 09-19-2019, 11:44 AM   #10
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Originally Posted by venturaII View Post
If piston size was a d_ck swinging contest, you guys would be John Holmes... lol
Shock body diameter is not the same as piston size.

Fronts look like inverted struts. Nothing has been posted about piston size.

Inverted struts are fairly common.
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Old 09-19-2019, 11:51 AM   #11
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Actually, I didn't consider the body being smaller than OEM...was just struck by the piston to body ratio in the picture and assumed it was huge...lol

EDIT: there's probably a joke in there about how pictures can make stuff look bigger than real life...
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Old 09-19-2019, 11:54 AM   #12
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Actually, I didn't consider the body being smaller than OEM...was just struck by the piston to body ratio in the picture and assumed it was huge...lol
Fronts look no different than the Ohlins I had on my car:

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Old 09-19-2019, 11:59 AM   #13
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Right...they have the same large piston to body ratio...are you saying the piston itself is no bigger than OEM..?? I'm confused as to what you're saying..
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Old 09-19-2019, 12:17 PM   #14
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Right...they have the same large piston to body ratio...are you saying the piston itself is no bigger than OEM..?? I'm confused as to what you're saying..
Pretty sure he is interpreting your comments as you misidentifying the shock body on an inverted monotube damper as the piston.

Which is also how I read it.
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