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Interior rear wheel lift after news bushings, Ohlins DFV and alignment

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Interior rear wheel lift after news bushings, Ohlins DFV and alignment

 
Old 04-18-2019, 10:54 AM
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Originally Posted by B serious View Post
He did, according to the original post
I just reread First post. I'm not seeing where he mentions clocking them.
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Old 04-18-2019, 11:44 AM
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Originally Posted by flanders View Post
Only a few mm lower or higher wont change the toe angle much at all.
By the way did you have the exact same alignment figures with the Öhlins as your previous coilovers?
Show us the setup if you got a printout, maybe there is something that could be improved there as well.
With the OHLINS I have the exact uk specs, except 0degre05' of toe in at each front wheel.
With previous coilovers I could not put the UK alignment because of seized bushing. I have only 0degre40' of front camber; the other values were uk ones.
Sorry I am on my smartphone now so can't post hole values.

Originally Posted by stewpitt View Post
This might sound stupid but, did you check the adjustment knobs to make sure they are on the softer settings? Also, I would maybe take the car to a different shop and re-check the alignment?
I set the ohlins hydraulics to recommended 10 clicks from harder.

Originally Posted by B serious View Post
Add 13mm of preload (use turns, not measurement). Each 360 deg turn of the perch is 1.5mm.

Then lower the bottom bracket by 13mm to keep the same height.

Easy peasy.
Will be doing this right now

Originally Posted by Car Analogy View Post
I just reread First post. I'm not seeing where he mentions clocking them.
Sorry but, what does "clocking the bushings" mean in other words? (Frenchie inside )
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Old 04-18-2019, 12:24 PM
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Originally Posted by Car Analogy View Post
I just reread First post. I'm not seeing where he mentions clocking them.
He jacked up the arms before torquing the bolts.

Originally Posted by pizzai69 View Post
  • full MUGEN arm bushings (front inferior + superior arms, rear inferior (except the front big bushing which can't be bought) and superior arm + rear toe link)
    Info: When installing the arms back on the car, I did put a hydraulick jack under the lower arm, and jacked up until the car began to lift up (of the stand jack), before torquing the bushings bolts.
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Old 04-18-2019, 01:13 PM
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I am under the car and just finished preloading the rear coilovers. Going to put the car back to the ground. The problem is: I ride a 28mm height drop, which is 1.11", so I can only go up to 10mm preload and the the coil is "hurting" the bottom end of the thread.
I will try to ride with this preload tomorrow, I have a trio with a friend to see a Rallye race
I will see how it behaves on bumpy roads.
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Old 04-18-2019, 02:23 PM
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Originally Posted by pizzai69 View Post
I will see how it behaves on bumpy roads.
More compliant, assuming you were nearly on the bump stops before.

The other important thing to re emphasize is that you adjust the lower shock body to compensate for the added pre load so that your ride height/alignment is the same as before.
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Old 04-18-2019, 07:31 PM
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Originally Posted by B serious View Post
He jacked up the arms before torquing the bolts.[/list]
Oops...
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Old 04-19-2019, 01:33 PM
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You were almost certainly contacting bumpstops and thus the loss of traction. Add preload as so many others have suggested.

Softening the rears can also add more grip.

What did the alignment specs look like before you got the UK alignment?
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Old 04-22-2019, 08:54 AM
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Are you sure the front sway bar is reconnected at both ends? Most people disconnect it at some point during a shock install.
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Old 04-22-2019, 11:29 AM
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I had a problem and could not road test the car yet with the new preload: I have to replace a front upper arm bolt&nut , the thread is dead and I can't torque it so it makes noise and unscrews itself when I drive the car...

Originally Posted by THMotorsports View Post
You were almost certainly contacting bumpstops and thus the loss of traction. Add preload as so many others have suggested.

Softening the rears can also add more grip.

What did the alignment specs look like before you got the UK alignment?
Alignment before modifications was:
Front
-0deg40' camber
Caster 6deg45'
Toe 0deg
Rear
-2deg camber
Toe -0deg25' /wheel

Now it is:
Front
-1deg camber
Caster 6deg45'
Toe -0deg05' /wheel
Rear
-2deg camber
Toe -0deg20' /wheel



Originally Posted by thomsbrain View Post
Are you sure the front sway bar is reconnected at both ends? Most people disconnect it at some point during a shock install.
I checked that: front sway bar is connected.
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