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Old 03-03-2020, 09:35 PM   #1
Dixie ZL1
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BMR Toe Bar Noise

Has anyone else experienced cabin noise from BMR toe bars? The rear end of my ZL1 is all BMR and through painful elimination of variables I’m down to toe bars and sway bar end links.

Appreciate your input.
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Old 03-04-2020, 05:00 AM   #2
Mark R

 
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I just bought and installed BMR toe bars, and was not impressed with the looseness and excessive clearance between the cone shaped spacers and the bolts. I had a friend machine all new ones with much tighter clearance, and I have no noise. I suspect that is your issue.

It is the first issue I have had with BMR quality ever. I also added rubber boots over the heim joints at the end, per BMR recommendation.
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Old 03-04-2020, 05:14 AM   #3
Warrior102
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Quote:
Originally Posted by Mark R View Post
I just bought and installed BMR toe bars, and was not impressed with the looseness and excessive clearance between the cone shaped spacers and the bolts. I had a friend machine all new ones with much tighter clearance, and I have no noise. I suspect that is your issue.

It is the first issue I have had with BMR quality ever. I also added rubber boots over the heim joints at the end, per BMR recommendation.
I ordered these a few months back (around/after Christmas) and while awaiting time to install them I noticed the bolts in the spacers were a hot dog in a hallway. I measured the spacer bore and the bolts and contacted BMR and they said those were the wrong bushings for my car, they sent a new set and the fit was much better. My contact there said they were pulling all stock to check for the correct parts, I got the vibe I wasn't the only one.
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Old 03-04-2020, 08:55 AM   #4
ICTsccaCamaro
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The factory rear toe links (at least on the ZL1 1LE) are a rubber boot covered heim joint style end, there is zero give or deflection in the arm due to this, it blows my mind that people will take off this perfectly good part and replace with with a poorly designed aftermarket link and pay money for it?
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Old 03-04-2020, 10:51 AM   #5
Mark R

 
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Quote:
Originally Posted by Warrior102 View Post
I ordered these a few months back (around/after Christmas) and while awaiting time to install them I noticed the bolts in the spacers were a hot dog in a hallway. I measured the spacer bore and the bolts and contacted BMR and they said those were the wrong bushings for my car, they sent a new set and the fit was much better. My contact there said they were pulling all stock to check for the correct parts, I got the vibe I wasn't the only one.
I measured the clearances then called them. I did not get the wrong spacers, per BMR. But they were still too loose, so I had new ones made that were really tight.
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Old 03-04-2020, 10:54 AM   #6
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Originally Posted by ICTsccaCamaro View Post
The factory rear toe links (at least on the ZL1 1LE) are a rubber boot covered heim joint style end, there is zero give or deflection in the arm due to this, it blows my mind that people will take off this perfectly good part and replace with with a poorly designed aftermarket link and pay money for it?
On the regular ZL-1, they are not heim joints. The whole idea of the BMR toe rods is to eliminate the eccentric adjuster and the one-time use bolt, because the stock toe is kept in alignment from the clamping force of the bolt. Once the BMR rod is bolted in, the toe is adjusted by lengthening or shortening the rod by turning it.

Last edited by Mark R; 03-04-2020 at 11:36 AM.
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Old 03-04-2020, 01:44 PM   #7
Dixie ZL1
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Quote:
Originally Posted by ICTsccaCamaro View Post
The factory rear toe links (at least on the ZL1 1LE) are a rubber boot covered heim joint style end, there is zero give or deflection in the arm due to this, it blows my mind that people will take off this perfectly good part and replace with with a poorly designed aftermarket link and pay money for it?
My car is aligned at least 2X / year and sometimes more often depending on events. The adjustable toe bars eliminate the need to replace toe link bolts at every alignment and my alignment tech loves them due to ease of adjustment.


Everyone has opinions about the value of aftermarket parts, but these are worth the small investment and pay for themselves quickly.
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Old 03-04-2020, 03:02 PM   #8
ICTsccaCamaro
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Originally Posted by Dixie ZL1 View Post
My car is aligned at least 2X / year and sometimes more often depending on events. The adjustable toe bars eliminate the need to replace toe link bolts at every alignment and my alignment tech loves them due to ease of adjustment.


Everyone has opinions about the value of aftermarket parts, but these are worth the small investment and pay for themselves quickly.
I have aligned my car 4 or 5 times at this point and have never replaced the bolts. I use a paint pen to mark my bolt locations and have never had one move.
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Old 03-04-2020, 03:05 PM   #9
Dixie ZL1
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Originally Posted by ICTsccaCamaro View Post
I have aligned my car 4 or 5 times at this point and have never replaced the bolts. I use a paint pen to mark my bolt locations and have never had one move.
I believe you and everyone has their own risk tolerance. The bolts are TTY and one use according to GM, so for me it’s not worth losing a toe bar during a track event.
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Old 03-04-2020, 05:05 PM   #10
L78toLT1

 
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Does anyone know if the ZLE toe link is compatible with SS/SS1LE/ZL1? If so this would probably be a better option than the BMR
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Old 03-04-2020, 05:27 PM   #11
Dixie ZL1
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BMR is replacing all four heim joints at no charge and expediting shipping. Great customer service. A couple new outer TTY bolts from GM and issue will be resolved.
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Old 03-04-2020, 05:39 PM   #12
Mark R

 
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Originally Posted by Dixie ZL1 View Post
BMR is replacing all four heim joints at no charge and expediting shipping. Great customer service. A couple new outer TTY bolts from GM and issue will be resolved.
Nice!!
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Old 03-04-2020, 06:50 PM   #13
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Originally Posted by L78toLT1 View Post
Does anyone know if the ZLE toe link is compatible with SS/SS1LE/ZL1? If so this would probably be a better option than the BMR
+1
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Old 03-05-2020, 09:18 AM   #14
ICTsccaCamaro
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Quote:
Originally Posted by L78toLT1 View Post
Does anyone know if the ZLE toe link is compatible with SS/SS1LE/ZL1? If so this would probably be a better option than the BMR
At least in the 5th gen world they were swapable, I would assume since all of our cars have the same suspension design they would swap just fine.
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