CB005 + Steeda Diff Inserts

[IvanCRF]

Yea I see what you are talking about. Thank you. Did you check everything to make sure it is seated?

I crawled underneath and everything is still seated. The car measures 3/8'' taller on both sides of the rear when compared to the front. I don't mind it much since I'm all about killing wheel hop. At least we are not alone. :lol:

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[db252]

Same setup here on my car as well but running the reds and don't get your sounds. You might want to try the reds and see if you like that better but doing the job again may not sound so fun.

 

[Smoon]

I have the same combo with the red inserts and I get the crunching noise too. Pretty sure its normal; I heard the same exact noise as I was putting the bolts to the differential back in. Sounds like the inserts "squishing" hard against the bushing. I wouldn't worry too much about it.

Any of you guys running this combo get some high levels of vibration at hogh freeway speeds? After going about 60 mph the ride quality in the car is significantly less comfortable; the rear end translates a ton of vibration into the cabin now. Not much noise; theres a little more differential noise but damn does the car vibrate.

 

[EcoBlue68]

The BMR CB005 raises your ride height because of the way the subframe lockouts are designed. You dont get this with some of the other systems out on the market.

 

[15RRGT]

Care to elaborate how the BMR lockouts raise the height?

 

[M3Convert]

I have the same combo with the red inserts and I get the crunching noise too. Pretty sure its normal; I heard the same exact noise as I was putting the bolts to the differential back in. Sounds like the inserts "squishing" hard against the bushing. I wouldn't worry too much about it.

Any of you guys running this combo get some high levels of vibration at hogh freeway speeds? After going about 60 mph the ride quality in the car is significantly less comfortable; the rear end translates a ton of vibration into the cabin now. Not much noise; theres a little more differential noise but damn does the car vibrate.

Did you get the car aligned after the install? Maybe check the tires for unusual wear patterns.

 

[IvanCRF]

Care to elaborate how the BMR lockouts raise the height?

I guess the height increase of the rear is because the bushings no longer compress like they used to under the car's weight and because of the thickness of the CB005 components, which puts the subframe slightly farther down since they sit atop to cover the cradle's soft rubber bushings.

 

[IvanCRF]

Did you get the car aligned after the install? Maybe check the tires for unusual wear patterns.

I kept two cradle bolts in at all times to not tweak my subframe's alignment. I measured the cradle's side to side position before and after the install and it still measured 1/8'' towards the passenger side when I was done. The car still drive's straight so I'm not worried yet.

 

[IvanCRF]

Any of you guys running this combo get some high levels of vibration at hogh freeway speeds? After going about 60 mph the ride quality in the car is significantly less comfortable; the rear end translates a ton of vibration into the cabin now. Not much noise; theres a little more differential noise but damn does the car vibrate.

Right at about 60mph, I get lots of whining sounds from the drivetrain which I did not have before. The only thing that vibrates more is the stock shifter. I agree the car is much less comfortable now,
but it has to be done to get rid of wheel hop.

 

[Bartly]

I have the same combo with the red inserts and I get the crunching noise too. Pretty sure its normal; I heard the same exact noise as I was putting the bolts to the differential back in. Sounds like the inserts "squishing" hard against the bushing. I wouldn't worry too much about it.

Any of you guys running this combo get some high levels of vibration at hogh freeway speeds? After going about 60 mph the ride quality in the car is significantly less comfortable; the rear end translates a ton of vibration into the cabin now. Not much noise; theres a little more differential noise but damn does the car vibrate.

I've been looking at the options out there. Figured that adding parts to restrain the factory dampening components would translate more NVH, no way around it.


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[Doctor Fishtail]

I guess the height increase of the rear is because the bushings no longer compress like they used to under the car's weight and because of the thickness of the CB005 components, which puts the subframe slightly farther down since they sit atop to cover the cradle's soft rubber bushings.

Makes sense. Unless we are overlooking something.

 

[wildcatgoal]

Honestly I think the car looks better a teeny bit higher up in the back.

 

[BMR Tech]

The BMR CB005 raises your ride height because of the way the subframe lockouts are designed. You dont get this with some of the other systems out on the market.

We have not experienced this myth.

After a very small amount of people stated this happened, I removed them from one of our cars and re-installed and the ride height was not changed.

Affecting the position of the IRS cradle by extremely small amounts, is not going to show any significant change in ride height.

 

[IvanCRF]

We have not experienced this myth.

I wish I would have measured the car's rear height before I started the installation. For future installers, it wouldn't hurt to measure the rear's height before and after.

I don't feel like removing and reinstalling the CB005/inserts to re-check the ride height.

Do you see where I might have messed something up in the installation?

Thanks,

Ivan

 

[BMR Tech]

I guess the height increase of the rear is because the bushings no longer compress like they used to under the car's weight and because of the thickness of the CB005 components, which puts the subframe slightly farther down since they sit atop to cover the cradle's soft rubber bushings.

Actually - the cradle sits lower without our kit....than with our kit installed.

The OEM cradle sags. Our kit puts the cradle into the OEM engineered position.

To show how minimal we are talking here, I snapped some pics of the front and rear bushings sitting on my desk. No force applied, then just firm pressure from my fingers.

Now, for the rear lower, here is a shot of a stock car we have sitting out in the parking lot. The cradle is sagging:

Now compare to our rear lower plate seen below:

Hope that helps! :cheers:

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