GT Performance Mods 2005+ Mustang GT Performance and Technical Information

eibach pro kit...bumpy ride

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Old Dec 12, 2005 | 04:21 AM
  #1  
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I installed the Eibach pro-kit...love the look..corners a bit better, but man is it bumpy!
Anyone tried Tokiko D specs with the eibachs...do they smooth out the ride, or make the problem worse? Anyone have any other solutions?
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Old Dec 12, 2005 | 09:04 AM
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Ya, welcome to the world of lowering cars. As long as you stick with factory shocks you are not going to like the ride. I am going to install the Eibach Pro Dampers this spring. Maybe it is just me but I think sticking with the same manufacturer for the shocks as the springs is a good idea.
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Old Dec 12, 2005 | 12:43 PM
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Hey Adrenalin, is it really bumpy? I know you've had your car dropped for quite some time now.. you don't like the ride? jumps all over the place?
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Old Dec 13, 2005 | 11:33 AM
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Lets just say you don't want to drive for a long time on a bumpy road. It is very noticeable once you install lowering springs. The ride becomes very stiff. The car only "jumps" all over when you are going over a lot of bumps. A few times I have heard the shocks in the rear bottom out (not good).
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Old Dec 13, 2005 | 12:04 PM
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oh man, that sucks! I guess I'm gonna have to cough up the extra $500 next year for adjustables, and might as well go crazy with the suspension and get sway bars, etc from BMR!
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Old Dec 14, 2005 | 09:56 PM
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its usually good to remain with the same manufacturer with both shocks and springs.

when eibach made the springs they made the shocks to work with those springs.
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Old Dec 14, 2005 | 09:57 PM
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Cant wait for the bumpy ride...
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Old Dec 14, 2005 | 10:00 PM
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When are the eibach shocks due to be out?
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Old Dec 15, 2005 | 06:12 AM
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They are already available. Part # 53101.840
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Old Dec 15, 2005 | 06:55 AM
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I think the part is 35101.840, not 53101.840. In any case, every place that I've looked, it says they'll be available middle of January...
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Old Dec 15, 2005 | 08:00 AM
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Yeah I didnt think they were out...guess I will be calling them today That would be nice to have when I put the springs on.
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Old Dec 15, 2005 | 08:44 AM
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hey, noone told me what they thought of the Tokiko Dspecs solution? I would like to find a shcck that actualy exists..not a speculative product..
I've been told they should do the job...but I wanted someone with first hand experience?
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Old Dec 16, 2005 | 07:08 PM
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I have had the Eibach Pro Plus Kit on order for two months. Glad to here it should be here sometime new year.

Thanks

Jon
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Old Dec 17, 2005 | 05:35 PM
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Originally posted by johney5@December 12, 2005, 4:24 AM
I installed the Eibach pro-kit...love the look..corners a bit better, but man is it bumpy!
Anyone tried Tokiko D specs with the eibachs...do they smooth out the ride, or make the problem worse? Anyone have any other solutions?

thats funny, i have sportlines and a buch of other rod-end stiff lil goodies and it feels like a decent ride still to me

all ones opinion tho i guess
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Old Dec 26, 2005 | 08:00 PM
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The Tokico D's are on my shopping list after a lot of research. StangSuspension sells all brands and highly recommends these. I would not hesitate to use them on stock or any aftermark lowering springs. With these shocks you have some tunability to dial them in, but a word of caution about applying too much rebound damping. Car feels tighter, but wheels don't return to ride height as quickly as needed, so the next successive bump you hit the less bump trave you have, and so on. They are still a high performance dampers, so don't expect the ride to be soft like an old Cadillac.

Also it you are running 40 aspect ratio tires or lower, don't expect a soft ride from them either ... there is not much sidewall to deflect and absorb bumps.
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Old Jan 19, 2006 | 10:31 PM
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i have the dspecs and the pro kit...i havent really set my car to full soft if it takes away the bumpiness. Mine are set more towards frim. The ride is of course bumpy, but that is what you want...to feel the road. If i soften them, it would be too soft to have good handling...
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Old Jan 20, 2006 | 12:18 AM
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Got the Dspecs! The ride is less bumpy! I'm happier, but still trying to adjust them to perfection. The car really held a straight line at high speeds without them, much better than before it was lowered. I'm going to have the car realighened. I'll post again, but I think the DPSECS are the way to go.
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Old Jan 20, 2006 | 05:20 AM
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Ford Racing has a lower kit know. Springs, shocks, strut bar, sway bars, struts, all for about a grand. Lowers car 1", and shouldn't have any trouble with insurance, it's a Ford part.
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Old Jan 20, 2006 | 07:24 AM
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Originally posted by johney5@January 20, 2006, 2:21 AM
Got the Dspecs! The ride is less bumpy! I'm happier, but still trying to adjust them to perfection. The car really held a straight line at high speeds without them, much better than before it was lowered. I'm going to have the car realighened. I'll post again, but I think the DPSECS are the way to go.
Few questions for you...where did you buy them, is that the best price, and how do you adjust the rears?
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Old Jan 20, 2006 | 11:10 PM
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I am getting mine from StangSuspension.com. Price seems reasonable.

Something to keep in mind when adjusting shocks. There is misconception that really firm is good. It actually, it can be really worse than very soft. The suspension has to do two things for you.

1) absorb the bump (wheel travels up relative to chassis)

2) rebound (wheel travels down relative to chassis) to maintain contact with the road and to be ready for the next bump.

If everything is doing its job and the suspension is keeping up, the chassis hardly moves, the wheels move up and down with the undulations of that road, all the time maintaining even wheel contact.

If the bump setting is too high, the suspension can't move quickly enough to move up and absorb the bump ... what happens then is the whole chassis follows the rest of the bump the suspension cannot absorb.

If rebound setting to too high, the suspension can't return to ride height quick enough to allow it to be ready for the next bump. On successive bumps, the chassis gets lower and lower because the wheel can't rebound quickly enough. This also means there is less bounce travel under this condition to handle the next bump.

All of these actions above serve to cause huge weight transfers between the different tires and upset the balance of the car and the car handles lousy going from neutral to over and understeer, or jus bottoming out or dancing over the short sharp bumps

The Tokico's, unlike a Koni has an adjuster that changes the bump and rebound simultaneously.

Best is to start with them soft (unless they have a specific recommendation ... still waiting for mine to arrive). then stiffen them up progressively, driving the car a lot to develop an appreciation for what seems different. i.e. how does it behave over different types of bumps, etc..

Anyone turning these things up to maximum stiffness is fooling their self that the car actually handles better.
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