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05-07-2026, 05:36 PM
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#1 |
 
Drives: 2023 Chevy Camaro ZL1 Convertible Join Date: Nov 2024
Location: Oregon
Posts: 18
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BMR cradle lockout advice
I'm getting ready to pull the trigger on a bunch of upgrades and one of the things I see people doing is the BMR Cradle lockout as a measure to prevent wheel hop and stiffen up the sway in the rear when when you punch it at 40-60mph. Something I myself have noticed on many an occasion even.
The shop I'm discussing all this with is telling me that it'll stiffen up the rear end alot and I'll hear every little thing. They are recommending against it. From all the videos and reading I've done, that doesn't seem to be the case, but perhaps I'm wrong? https://bmrsuspension.com/product/1635?color=black Any advice?
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2023 Camaro ZL1 Auto Convertible A10 - Radiant Red Tintcoat - Rotofab CAI, DSX Lid, Borla S-Type Catback, MightyMouse catch can. Nitto NT555 G2/RII
2021 GMC Sierra 1500 AT4 - Whipple Gen V 3.0L Supercharger, Alky Methanol injection - long list of other mods |
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05-07-2026, 06:23 PM
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#2 |
 Drives: Camaro SS 1LE M6 Join Date: Feb 2024
Location: Las Vegas
Posts: 463
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It's a cheap, easy to install mod that works great. I hear nothing different coming from the rear after doing it.
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2018 Camaro SS 1LE M6
Stainless Works Headers & X pipe | Redline Axleback | E85 | Rotofab | Soler Ported TB | LT2 Manifold  |
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05-07-2026, 07:35 PM
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#3 | |
            
Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017
Location: East Tennessee
Posts: 13,476
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Quote:
I have this lockout kit, too, and it works very well. You will not hear any difference but the rear end will be more stable, especially when flooring it from a dig or a roll. You won't regret it.
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle Terminator cam | LT4 FS & injectors | TSP forged pistons & rods JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune 1100 - 1/30/18 | 2000 - 1/31/18 3000 - 2/06/18 TPW 2/26/18 3400 - 2/19/18 | 3800 - 2/26/18 4300 - 2/27/18 | 4B00 - 3/01/18 4200 - 3/05/18 | 4800 - 3/14/18 5000 - 3/16/18 | 6000 - 3/19/18 |
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05-07-2026, 07:36 PM
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#4 |
 
Drives: 21 SHOCK ZL1 M6 Join Date: Sep 2023
Location: Indy
Posts: 161
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It's a great mod imo...I'd also suggest the diff lockout...really solidifies the rear end...I'd do it again....
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05-08-2026, 07:42 AM
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#5 |
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AKA "Beefcake"
Drives: 2023 ZL1 Sharkskin Join Date: Oct 2009
Location: Indy
Posts: 8,584
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Sounds like the shop just don't want to do the work.
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05-08-2026, 08:47 AM
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#6 |
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Petro-sexual
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Even doing the ZLE cradle bushings in conjunction with BMR's complete rod end arm package at the same time, I didn't get much more noise. Granted - my car's pretty low miles, and I'm entirely confident what noise I do get is from the rod ends, but I'd trade any of that for getting the cradle locked in as best as possible. I added their front braces for the cradle, too, so it's locked in good. I just noticed CPR's diff' brace kit from one of CSP's latest videos, so that's on my radar for the future. I might do some diff' bushing upgrades, too, just to lock all of that in.
My car had sway BAD, even on DRs. It was scary.
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 '20 ZL1 Black "Fury" A10, PDR, Exposed CF Extractor Magnuson Magnum DI TVS2650R // RFBG // Soler 103 // TooHighPSI Port Injection // THPSI Billet Lid // FF // Katech Drop-In // PLM Heat Exchanger // ZLE Cradle bushings // BMR Chassis-Suspension Stuff // aFe Bars // Diode Dynamics LEDs // ACS Composites Guards // CF Dash // Aeroforce // tint // other stuffs |
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05-08-2026, 09:10 AM
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#7 |
 
Drives: 18' 2SS 1LE, 94' Z28 Join Date: Apr 2010
Location: Minnesota
Posts: 80
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Not only is this a highly regarded recommendation. It's a MUST on these cars. No noise from by BMR lockout kit. It absolutely solves the swaying issue. I also recommend changing the carrier to chassis brace bolt, out for an ARP 234-2503 bolt.
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2018 Camaro 2SS 1LE - 1,xxxHP
D-1XH Procharged, LME 416, GPI/CID Track Attack Heads, BTR top end, Katech oil pump, Pray Tuned, Stainless Works, Anderson Composites, 13GFab, BC Forged & More 1994 Camaro Z28 - 7xxHP Nitrous Outlet Direct Port Nitrous & more, Creator of AggreSSive spoiler, Multi Magazine Featured Camaro Z28 in GMHTP, Super Chevy, Nitto, and Camaro Performers |
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05-08-2026, 12:57 PM
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#8 |
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Drives: 2023 Chevy Camaro ZL1 Convertible Join Date: Nov 2024
Location: Oregon
Posts: 18
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Thanks all - Yeah I'm not sure where they got their information, but after sending them the link again, they realized it was a different kit than they originally thought and all is well.
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2023 Camaro ZL1 Auto Convertible A10 - Radiant Red Tintcoat - Rotofab CAI, DSX Lid, Borla S-Type Catback, MightyMouse catch can. Nitto NT555 G2/RII
2021 GMC Sierra 1500 AT4 - Whipple Gen V 3.0L Supercharger, Alky Methanol injection - long list of other mods |
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05-08-2026, 03:40 PM
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#9 |
Drives: 2023 ZL1 Join Date: Dec 2022
Location: Columbus, Ohio
Posts: 1,287
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I've done the same BMR Cradle Lock Kit and Bushings. The car totally hooked up way better and there it had almost NO noticeable rear end sway or torque steer under WOT. This car was never this easy to drive from the dig until now! I have since added the BMR rear suspension kit and the BMR 15" conversion kit.
This is my complete build thread, some of those posts is about the BMR Cradle lockout and bushing kit. Then, post #812 is where I start posting about the BMR Rear Suspension and 15" Conversion. Good Luck!
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Katech Track Day CAM 38%•BTR Dual Valve Springs•Johnson Lifters•Trend 3/8 Chromoly Pushrods• VVT Del•CNC Heads•AFM Delete• C5-R Timing Chain•Katech Oil Pump•Katech 112mm•Maggie 2650 3.25” Upper/ATI SD w/10.32” +20%•10 Rib Belt•RFBG•FI IC Stage 2•THPSI Port w/875cc Inj•Katech Dual Fuel Pump•DSX Aux Pump•SW 2" Headers w/Legend NPP•GESI UHO 4.5" CATs•Brisk RR14S Plugs•BMR Motor Mounts•BMR Cradle Lockout &Bushings Kit•BMR Rear Suspension & 15" Conversion•DSS 1pc DS•RPM 6-Point Roll Cage•10lb FireSense+ w/4Fire SFI 17.1 Fire Sys•Weld Forged Vitesse Rear 17x10 Beadlocks-Front 18x6•Unlocked TCM
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05-08-2026, 04:44 PM
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#10 |
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Drives: 2024 CT5-V Blackwing Join Date: Sep 2020
Location: GA
Posts: 3,557
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Only positives with the BMR cradle lockout kit. No added noise, vibration, harshness.
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05-08-2026, 06:32 PM
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#11 |
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Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019
Location: Arizona
Posts: 935
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I just got done doing it a few weeks back. Zero noise difference.
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05-09-2026, 04:19 AM
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#12 |
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Drives: 24 Sliverado 1500 ZR2, 2017 ZL1 Join Date: Feb 2021
Location: KY
Posts: 76
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Not to hijack this thread, but are there replacements suspension bolts that can be used instead of the factory one-time use parts?
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Finally on the way to 1K.....
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05-09-2026, 07:11 AM
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#13 |
Drives: 2017 Camaro SS, 2011 Corvette GS Join Date: Feb 2019
Location: Erlanger, Kentucky 41018
Posts: 859
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I have the BMR Lockout kit in my 2017 SS. Definitely makes the rear more solid. I don't get more noise to you can tell a difference in the feel of the car. You will feel more of the bumps in the road and I do notice the backlash in the rear differential on deceleration. Both are nothing bad but just something to be aware of.
I also find that I notice much sooner when my tires have a little wear in them and are starting to get a little bit of imbalance. So you will fill more connected to the road and the car, which is a good thing. I guess what I am trying to say is that the car will communicate more to you. |
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05-09-2026, 08:37 AM
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#14 |
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Drives: 2023 SS 1LE Sharkskin Join Date: Jun 2023
Location: Montana
Posts: 396
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How hard is to install this without a lift?
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