[cajunzl1]

Anyone had any issues installing these? thinking about a set while I'm installing headers.

Very few videos online showing the install!

Thanks
Cajun

[2023_ZL1-AUTO]

Here's what they look like "installed"

[SOCAL.M6.ZLE]

Originally Posted by cajunzl1

Anyone had any issues installing these? thinking about a set while I'm installing headers.

Very few videos online showing the install!

Thanks
Cajun

Hey buddy, these are awesome... most of our clients do these with headers like you mentioned, and so did I when I started modding my car.

They are a great addition with no negative effects that I have seen.
I think they could have some from the factory.

Installing with headers is the best time, as you have great access. The hardest part I remember was simply getting to all of the bolts... I recall the passenger side being a PITA.

But the time / cost is well worth it IMO.
Happy to answer any other question you may have...

[ZLRob]

https://www.camaro6.com/forums/showthread.php?t=615916

[cajunzl1]

So no major hurdles when the exhaust manifolds are removed? Hopefully they will make the header install much easier as well!

Thanks for all the responses!

[SOCAL.M6.ZLE]

Originally Posted by cajunzl1

So no major hurdles when the exhaust manifolds are removed? Hopefully they will make the header install much easier as well!

Thanks for all the responses!

Correct, they make the install much better, you save weight, and it makes removal + install easier down the road when you do more work to the car...

If you wouldn't mind, can you let us know the weight of the OEM Mounts? I looked but couldn't find it in my notes.

[RobZL1]

Originally Posted by cajunzl1

Anyone had any issues installing these? thinking about a set while I'm installing headers.

Very few videos online showing the install!

Thanks
Cajun

I'm also a fan of my set. As noted, doing them along with headers at the same time is the way to go. No big issue with install, just take your time and get it all lined up. Likely will need to final-tighten everything after it's all installed and placed appropriately.

[SWFLZL1]

I put them on mine while doing headers, not too bad to do, just a little time consuming. Made it real easy to slide the headers in.

[GreenZLE]

I have a feeling either my block was mis machined or the car was built incorrectly. BMR mounts wouldnt bolt up correctly (holes were off about 1/2") so I purchased some stainless steel plate and fabricated my own plates that bolt to the cradle. LET ME BE CLEAR HERE: I do NOT believe this was something related to BMR.

When I bought the car brand new, ordered from a dealership owned by my family, it wouldnt align correctly and would pull hard to the left when I floored it. Only after buying BMR on car adjustable everything for the rear was the car able to be aligned correctly. The shop that did the alignment said there wasnt enough adjustment to bring it into spec with the stock parts.

At any rate, I absolutely LOVE these mounts! They shed a fair amount of weight and on a ZL1-1LE, you barely notice any additional harshness. The only caveat IMO, is if GM built you a Monday or Friday car, you might have issues. My car was built right after the 2019 strike ended BTW.

[ZLRob]

Originally Posted by GreenZLE

I have a feeling either my block was mis machined or the car was built incorrectly. BMR mounts wouldnt bolt up correctly (holes were off about 1/2") so I purchased some stainless steel plate and fabricated my own plates that bolt to the cradle. LET ME BE CLEAR HERE: I do NOT believe this was something related to BMR.

When I bought the car brand new, ordered from a dealership owned by my family, it wouldnt align correctly and would pull hard to the left when I floored it. Only after buying BMR on car adjustable everything for the rear was the car able to be aligned correctly. The shop that did the alignment said there wasnt enough adjustment to bring it into spec with the stock parts.

At any rate, I absolutely LOVE these mounts! They shed a fair amount of weight and on a ZL1-1LE, you barely notice any additional harshness. The only caveat IMO, is if GM built you a Monday or Friday car, you might have issues. My car was built right after the 2019 strike ended BTW.

You know there may be a chance that the sub frame cradle assembly might have been installed shifted too much to one side. I remember that was sometimes a prominent thing on some of the 90's Hondas and so when it came time to do an alignment if things were too far off, sometimes the car would need to come off the alignment rack and the entire assembly needed to be unbolted then shifted one way with a prybar to allow things to get back into proper spec.

I don't know if our cars are like that, but it's an idea.

[GreenZLE]

Originally Posted by ZLRob

You know there may be a chance that the sub frame cradle assembly might have been installed shifted too much to one side. I remember that was sometimes a prominent thing on some of the 90's Hondas and so when it came time to do an alignment if things were too far off, sometimes the car would need to come off the alignment rack and the entire assembly needed to be unbolted then shifted one way with a prybar to allow things to get back into proper spec.

I don't know if our cars are like that, but it's an idea.

You might be right! Maybe the lower cradle was made wrong? I could see that throwing the wheelbase off. Maybe I'll find that it was in a bind when I pull the engine next week!


Lots of mods planned over the winter!