How to set up bump stop height - Annex ClubSpec Pro coilovers

[@DelinquentDJ]

You know Annex is legit when they bust out the JDM pointer finger

[@TimurIskhodzhanov]

Finally someone provides the right recommendation! So many other coilovers instruct customers to do the exact opposite, and started that "always have zero preload" myth...

[@mindymuas]

JI c

[@karstgeo7290]

100%, the ride height should be adjusted with the spring perch (preload) of course within reason, inches of preload of course is also bad and indicates you need a higher rate spring!

[@datadrivenmqb]

FINALLY a great video to reference on how to properly set "fully threaded" coilovers! So much trash on the market that use preload as a crutch for incorrectly spec'd shock dimensions or spring rates. Thank you!

[@AnnexSuspensionGroup]

Thanks for the feedback! Our "FastRoad" coilovers have bump stop height carefully baked in but we agree setting bump stop height for the exact vehicle is the best whenever possible.

[@davidbears5213]

It's worth noting that after following these steps, you should ensure you have non-negative preload and install helper springs if necessary.

[@AnnexSuspensionGroup]

Agreed - and our ClubSpec line of coilovers always come with helper springs as the system is designed with adjustable bump stop height as a feature.

[@yawny9710]

also.. if you need a sooner bumpstop engagement, you can always add packers so you dont have to adjust the ride height.

[@josephcote7702]

good lord, please equalize the music and voice levels. the music is like 2 or 3 times louder than the voice parts.

[@karstgeo7290]

This is a great video and shows that spring collar adjustment is the way to adjust ride height (what many coilover companies tell folks NOT to do...set preload at xmm and leave it alone) on these adjustable body coilovers, not the body adjustment (what you call "bump stop height" in the video) like many coilover companies DO tell people to do. Great explanation and good finger pointer!

[@AnnexSuspensionGroup]

Appreciate it! Glad you liked our finger ;)

[@ericioscimmia1270]

I am super confused after this video...From my coilover user manual, it says 2 of top perches are for the spring and preload adjustment, the bottom perch is for adjusting the height of the car (Sorry my coilovers got only springs but without any helper spring at all). So let's say if I do the way like in the video, then when I set my ride height by tuning the 2 top perches would it gonna changed my preload? Oh man, I need someone for these...

[@AnnexSuspensionGroup]

This applies only for our ClubSpec Pro coil overs with helper springs. Normal coilovers typically adjust ride height by rotating the shock body.

[@zzwk24]

Regarding Clubspec Pros Q: Should bump stop heights for each pair (F/R) be set identically? (I.e., front threads should be identical for left front and right front; rear threads, same thing). Q: If so, when corner balancing, can each corner be adjusted differently by adjusting the spring perch? Q: Won't height adjustments from the spring perch affect spring load? Q: What impacts will spring load have on geometry and handling if each corner height adjusted from the perch after a corner balance?

[@AnnexSuspensionGroup]

1. No the bump stops ideally should be done for each corner, however we feel it is acceptable to measure one side and set the other side to the same measured height. Definitley F/R should b e measured seperately. 2. Yes, you must change the spring height when corner balancing. bump stops remain where you set them in step 1. 3. Yes, that's how you effect your corner weights. Please remember to disconnect your sway bar. 4. If your car is straight your geometry should be roughly the same. It is still advantageous to have your corner weights optimized even if the geometry is ever so slightly different on each corner. Once you are done corner balancing, then do a good alignment and enjoy more predictable handling and optimized tire performance!

[@Pauleazy420]

I ended up buying an Tokico shock spring combo but it has no bump stops or dust covers. I was wondering if you can help me figure out which ones to get.

[@luckyboyyt8582]

I commute over the Altamont in my brz, and just found out about your company today. Upgrading my suspension is going to help and annex looks like the way to go!

[@AnnexSuspensionGroup]

Thanks for the support! And yes! Being Bay Area based, we design OUR suspension for OUR road conditions!

[@TM-fx5le]

So doing it this method, will ensure nothing contacts bodywork at any ride height adjustment?

[@AnnexSuspensionGroup]

Yes, for our ClubSpec line of coilovers with helper springs, you should use this method to ensure the wheel and tires don't harm your body work and wheel well.

[@DriveMX5]

Thanks for making this video! Really simple and easy to understand explanation with great visuals. I just found out about adjusting your bump stop height yesterday and it makes sense. This is a great example of good enough (throwing coilovers on out of the box) vs really doing it properly. Thanks again!

[@Moriggia]

I met you also here ahah, thank you to share it to MX-5 ND community :)

[@AnnexSuspensionGroup]

Thanks for the feedback!

[@garagegnomes]

These look incredible! Definitely saving for a set of these for my Civic.

[@AnnexSuspensionGroup]

Thanks for the feedback! I hope we get to build your order soon.

[@BjornFSE]

informative

[@mitch181]

Shouldn't this be called base height adjustment instead of bump stop height?

[@AnnexSuspensionGroup]

We demonstrate setting two adjustments in this video: bump stop height (where/when your bump stops engage) and ride height. Both can be set independent of each other.

[@sikoleyleyofficial4146]

Nice yellow hand

[@DanielGarcia-zi3cu]

Great explanation on this subject! Can you complete this excellent video with a final ride height adjustment?

[@ModularMuscle]

Would the bump stop height differ passenger/driver side?

[@AnnexSuspensionGroup]

Should not. Just match both sides (how much threaded body going to the lower cup)

[@TimurIskhodzhanov]

<a href="#" class="seekto" data-time="209">3:29</a> "Fair warning: I set the bump stop height correctly on this vehicle ... and my tire is not contacting any of the bodywork" ... proceeds to show a fender gap that can be measured in fists 😅

[@KandP69]

wow... all the cheaper brands like BC and etc set them up WAY different. They use the top 2 perches with the spring for preload and use the bottom locking nut for height instead of bumpstop adjustment... I've been doing it all wrong this whole time? lol

[@DriveMX5]

Same, just found out about this yesterday. It makes sense after watching this video and when you really think about it.

[@Moriggia]

@@DriveMX5 What is the difference in the handling? In MeisterR's manual is it explained which way is?

[@DriveMX5]

@@Moriggia it’s explained like AAron Balakey mentioned above in the MeisterR manual. Which doesn’t make sense.

[@Moriggia]

@@DriveMX5 LoL interesting

[@Moriggia]

@@DriveMX5 did you try to contact them?

[@ZeroOmega]

Where to buy that ride height measurement tool?

[@AnnexSuspensionGroup]

We are getting ready to release it on our website.

[@Dnasty1]

I have bc coilovers and there is not bump stop can I add one? My rears have a divorced spring and shock.

[@polmacdhomhnaill3021]

Thank you for making the video. I’d never have thought to take the spring off.

[@CMAutohaus]

Nice

[@sooperstef7023]

Nice

[@CMAutohaus]

When I saw this comment I was like "You know whats up."

[@fubar66]

@@CMAutohaus Nice

[@reggieh6038]

can we get a video on divorce shock and spring adjustments?

[@granthendricks1143]

If you look at the AE86 coilover install video on our channel you can see us go over how to setup divorced springs and shocks.

[@NikRomanoRacing]

Nice

[@Chuckieh0]

nice

[@ezekiellee7599]

Nice

[@haskino]

nice

[@rfbblitz]

n i c e

[@Lukeine]

How do you check this with inverted shocks?

[@AnnexSuspensionGroup]

Although you won't be able to see the bump stop you can still remove the spring and check for bump stop engagement by checking when it start to lift the car. Once again - this only applies to our CSPs or other suspension that has a helper spring system.

[@ChristianLikesFootball]

@<a href="#" class="seekto" data-time="226">3:46</a> - when bumpstop engages too early and tyres doesn't touch any thing. Is that a bad thing? If bumpstop engages too late (that is not enaged at all) and tyres still doesn't touch anything. Is that a bad thing?

[@AnnexSuspensionGroup]

Part 1 - Ideally you want to allow for as much compression travel as possible. If the bump stop engages too early you could be severely limiting performance on big hits on track. If the bump stop doesn't engage anything, you should be able to keep compressiong your suspension until eventually something hits. My question is why isn't your tire able to hit anything? Is your suspension binding and possibly causing other performance or safety issues? Just food for thought.

[@ChristianLikesFootball]

@@AnnexSuspensionGroup Compression travel of what, shocks? In your video your goal was to get the wheel as closed to the fender as possible without hitting, and you want your bump stop to be compressed at this point. My question is why does the bumpstop need to be compressed when it's function is to stop your shocks and suspension from bottoming out and causing your whole suspension from .. exploding (for the lack of better word). Coilovers are height adjustable in some this is done at the lower collar and cup so if you don't slam it why would your wheel hit anything?

[@fubar66]

Nice

[@ByCrail]

What about the preload?

[@AnnexSuspensionGroup]

We do not preload these main springs with our race oriented ClubSpec Pros. That is because the helper spring provides a light preload on its own. The advantage of this is allowing you to gain loads of droop travel when using race oriented spring rates.

[@preacher_1691]

Does this method apply to high end coilovers?

[@AnnexSuspensionGroup]

What do you mean, our coilovers are high end. JK - yes for any 2 piece coilover system with a separate cup and shock tube with helper springs, you should use the adjustability to dial in the bump stop height for your car.

[@preacher_1691]

I meant like Bilstein b16 and KW coilovers

[@TheCorington]

@@preacher_1691 b16 and kw coilovers are one piece coilovers. You just set up ride height with preload and go. Both designs have pros and cons, but a pro is that you are less likely to mess up adjustment.

[@preacher_1691]

@@TheCorington yup make sense cause most aftermarket coilovers has the bodyshift to cut cost