Does the BMR Cradle Lockout kit affect the ride height and/or ride dampening/stiffness?

[andreop]

Does the BMR Cradle Lockout kit affect the ride height? Also, does it make the car ride more firm or soft?

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[Nagare]

It shouldn't affect the ride height, but it might makes things a bit more firm in your mind because it will support the cradle which means it can't go up and down as much as it might have stock.

The Steeda sub frame support braces are easier to install and provide similar changes. If you do go with the BMR kit, I still definitely recommend Steeda's subframe alignment kit to ensure the cradle goes back into the same position every time and makes sure your wheels/tires are even on both sides of the car!

 

[Grimace427]

No it does not increase ride height or make the ride more firm. It does however make the rear suspension act more predictably and overall makes the car feel planted and under control especially over broken pavement.

 

[tyoon]

Like the two others said, no affect on ride height and no real affect on ride quality or firmness. It basically helps to align the cradle, and removes a good amount of vertical and lateral movement from the stock cradle bushings.

 

[andreop]

It shouldn't affect the ride height, but it might makes things a bit more firm in your mind because it will support the cradle which means it can't go up and down as much as it might have stock.

The Steeda sub frame support braces are easier to install and provide similar changes. If you do go with the BMR kit, I still definitely recommend Steeda's subframe alignment kit to ensure the cradle goes back into the same position every time and makes sure your wheels/tires are even on both sides of the car!

No it does not increase ride height or make the ride more firm. It does however make the rear suspension act more predictably and overall makes the car feel planted and under control especially over broken pavement.

Like the two others said, no affect on ride height and no real affect on ride quality or firmness. It basically helps to align the cradle, and removes a good amount of vertical and lateral movement from the stock cradle bushings.

Thank you for the responses. This gives me a good idea about how this mod functions.

 

[Bluemustang]

I think it has to make the ride firmer, at least in certain situations because there is less slack in the IRS mounting that would normally be there stock. I have the CB005 on my car and it seems to transfer more road forces into the chassis which can be felt inside the car.

Often times this mod is combined with lowering springs (as it is in my case) which also increase the above due to the stiffer springs. But it is bad NVH or a bad firm? No in my opinion. I just needed to add this because I see a lot of people say this mod adds zero NVH and I call BS on that. Now IMO it is a good NVH because the rear end is now more connected to the car itself and it also makes the front and the rear ends of the car communicate better as one.

The is one of the best bang for buck mods you can do to this car, although the new CB762 might have something to say about that now.

 

[NightmareMoon]

I also agree, it really cant reduce slop in the subframe without also making it firmer. Maybe its not noticeable (I’ve never heard anyone complain after installing it), but it just seems like any reduced movement in the subframe is going to transmit that movement elsewhere in the car (hopefully the shocks take most of it)

 

[Bluemustang]

I also agree, it really cant reduce slop in the subframe without also making it firmer. Maybe its not noticeable (I’ve never heard anyone complain after installing it), but it just seems like any reduced movement in the subframe is going to transmit that movement elsewhere in the car (hopefully the shocks take most of it)

Yeah I've never heard anyone complain. Some may not notice it. Most of the time you probably won't.

But I also noticed the slop in the IRS in simple daily driving. The rear felt like it had to catch up with the front of the car. Really lame IMO. And when the rear breaks loose, the car is unpredictable in many instances which makes it dangerous, especially for a car with this much power.

Due to the above, it's really a necessity. Like the car should've come this way from the factory.

 

[Norm Peterson]

Firmer bushings will transmit more vibration energy and there will be more high frequency content. Chances are, Ford has some arbitrary criteria for what they judge to be acceptable, and they're willing to trade off some dynamic goodness way up there where you're not supposed to be driving on the street in order to meet that.

There's also the matter of individual sensitivity to N or V or H. I dare say there are people on this forum (maybe even in just this section) whose idea of fully acceptable NVH would be completely unacceptable to other members. Ford has to bias their NVH solutions toward those who are more sensitive to it.


Norm

 

[BmacIL]

Firmer bushings will transmit more vibration energy and there will be more high frequency content. Chances are, Ford has some arbitrary criteria for what they judge to be acceptable, and they're willing to trade off some dynamic goodness way up there where you're not supposed to be driving on the street in order to meet that.

There's also the matter of individual sensitivity to N or V or H. I dare say there are people on this forum (maybe even in just this section) whose idea of fully acceptable NVH would be completely unacceptable to other members. Ford has to bias their NVH solutions toward those who are more sensitive to it.


Norm

And Ford's NVH engineers are irritating little wizards that find the slightest thing even my quite sensitive self didn't notice. Ask me how I know

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