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studio camber roll center adjusters (RCA)

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Old 08-20-13, 12:01 AM   #16
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lets get something straight:

"standard" rca: simply a spacer that spaces out the LBJ from the spindle, raising the roll center and not effecting or reducing negative camber.

Negative Camber adapter/Negative Camber-RCA: spaces the LBJ from the spindle laterally to induce extra negative camber while also raising the spindle in relation to the LBJ/LCA. Used to dramatically increase negative camber (though in theory could be used for the opposite).

As far as I know studio still doesn't make "normal" RCAs, just camber adapters (NRCA). Youzealand is the originator of RCAs for the UCFxx chassis, and make several kits including standard and negative camber rcas. Figs Engineering sells standard RCA kits including a single and double stack (17 or 34mm).
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Old 08-20-13, 10:33 AM   #17
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Quote:
Originally Posted by implayaz9 View Post
when you you have the standard ones, you mean you have the set which helps you get camber?
read PD's explanation below. he breaks it down well. here is a pic of a standard RCA (no negative camber) from figs. it's basically just a spacer.
Click the image to open in full size.

Quote:
Originally Posted by Dranom View Post
looks great tim! Vlusty kit will look bananas on your car! *wink *wink lol
thanks man! where is this kit you speak of?!

Quote:
Originally Posted by PureDrifter View Post
lets get something straight:

"standard" rca: simply a spacer that spaces out the LBJ from the spindle, raising the roll center and not effecting or reducing negative camber.

Negative Camber adapter/Negative Camber-RCA: spaces the LBJ from the spindle laterally to induce extra negative camber while also raising the spindle in relation to the LBJ/LCA. Used to dramatically increase negative camber (though in theory could be used for the opposite).

As far as I know studio still doesn't make "normal" RCAs, just camber adapters (NRCA). Youzealand is the originator of RCAs for the UCFxx chassis, and make several kits including standard and negative camber rcas. Figs Engineering sells standard RCA kits including a single and double stack (17 or 34mm).
thanks PD, you can do a more concise explanation of them than i can. i tend to ramble .
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Old 08-23-13, 02:10 PM   #18
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Hey em, i removed my rcas after i installed them and read about the, in realy only one problem, with the broken bolt.
Now i dont know what i have to do... What is in realy the torque...? 80...95 or 120???

I need also shorter bolts. This one what was with the rcas is to long like Timmys...

Im from germany and i become my rcas not directly from studio. So i need please the email adress or the website from studio to contct them directly. So i can order hopefully shorter bolts. Or Timmy can you tell me from where you get yours please?

Here are some pics of mine after and before install. (i hope its ok Timmy? sorry when not i will remove it)

Deni


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Old 08-23-13, 03:23 PM   #19
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deni, no problem man. i would love to help. email Kyle at Kyle@bold-move.com to talk to him about studio parts. he may help you with getting the necessary bolts. you can also just trim or cut the ones you already have.

i torqued mine to 95fl-lbs. it has been fine for over 300 miles on highway driving so far. 120 fl-lbs is way too much for those bolts.

best place to get hardware outside of the store is online. i am not sure if germany has places online to buy hardware but here is what you need.
12x40mm 1.25 pitch socket cap screw 12.9 grade.

here is a link to the 40mm long screw:
mcmastercarr

here is another, and they have a germany location!
fastenal

love your car!
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Old 08-23-13, 11:20 PM   #20
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Timmy, thanks very much for your help!

Short question, have all bolts the same size or is there a different?
I cant see any different on mine.

Love your car to. Nice suspension kit.
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Old 08-24-13, 01:05 AM   #21
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what thickness are your RCAs?
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Old 08-25-13, 11:22 PM   #22
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Do you mean mine?

I made few pictures of them.

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Old 08-26-13, 04:48 AM   #23
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the second image shows the full thickness which as far best as I can tell reads at ~37mm.

at that thickness for a 2nd gen, I would think a 75mm threaded length, with ~3-5mm worth of washers would be about right. I have the pitch/diameter/hardness posted on the first page.

EDIT: NVM ,see below.
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Old 08-26-13, 11:21 PM   #24
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Thanks for the informations.
I think the length of 75mm is to much. Its longer then this one who was with the RCAs what was 50mm.

So i think the best is to buy bolts with 12x45mm 1.25 pitch 12.9 grade allen head and 5mm washers. What do you think?
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Old 08-27-13, 02:39 AM   #25
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oops my mistake, didn't realize that you had the offset RCAs, not standard.

In that case yes, 40-45mm mm bolts are what you want. I would buy 45s, as washers can compensate the last couple mills if you need them. Just make sure they thread in and don't leave a space.
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Old 08-27-13, 12:12 PM   #26
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i had a hard time finding 45mm bolts though it shows they are out there. i felt that 40mm is enough to secure it all properly.

remember, the RCAs have a recess in them that allows the socket screw to sink into them leaving a flush finish.
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Old 09-09-13, 01:21 AM   #27
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Damn, i needed now over a week to find a dealer where i can buy the bolts.

Now i have 50 pieces of bolts

But nobody cant send me 5mm washers. I think i can mabe fixed without.
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Old 09-09-13, 02:13 AM   #28
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Quote:
Originally Posted by samsung201 View Post
Damn, i needed now over a week to find a dealer where i can buy the bolts.

Now i have 50 pieces of bolts

But nobody cant send me 5mm washers. I think i can mabe fixed without.
you need the washers otherwise the bolts will mar and seize on the aluminium.
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Old 09-09-13, 02:05 PM   #29
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let the play begin again.
I go and look for some 5mm washers thanks man.
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Old 10-21-13, 11:04 PM   #30
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Hey, just want to say that im done with my camber. You need 3 different length of bolts.
40, 45 and 50.

I give them at all 115NM (84ft-lb).
As you can see on the picture. The original ones have only 113NM (83ft-lb)!!!
160NM (120ft-lb) what given this guy with his broken bolts, was toooo much!
Also 128 NM (95ft-lb) is to much!

Click the image to open in full size.

Last edited by samsung201; 10-21-13 at 11:13 PM..
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