The fix for the CTS-V rear
#409
Joined: Aug 2007
Posts: 2,408
Likes: 107
From: Where the Navy tells me to go
Here's the thread of interest - https://ls1tech.com/forums/cadillac-...ighlight=cobra. Lots of good info in there, whether you're trying to go the DIY route or buying the kit from Creative Steel.
#410
okay guys, read tons.. holding off on the 8.8 for a little but trying to make due with what i have until then.
i plan on replacing the replacing the rear diff bushing with the red version. with that is it worth the extra money to add the bmr pinion brace or is that redundant?
also is it worth it to add the bmr anti wheel hop kit with the bar and bushings. Will it provide any usefulness when i carry it over to the 8.8 setup? Also i have a 07 but that kit says good for 04 and 05.. is there variations to my cradle vs the 04 05's?
thanks for any input... i have read many threads and cant really figure out what combination of patchwork might be best. overall id like to think im going to put more power into the car, id just like my current rear to stay around for a little..
i plan on replacing the replacing the rear diff bushing with the red version. with that is it worth the extra money to add the bmr pinion brace or is that redundant?
also is it worth it to add the bmr anti wheel hop kit with the bar and bushings. Will it provide any usefulness when i carry it over to the 8.8 setup? Also i have a 07 but that kit says good for 04 and 05.. is there variations to my cradle vs the 04 05's?
thanks for any input... i have read many threads and cant really figure out what combination of patchwork might be best. overall id like to think im going to put more power into the car, id just like my current rear to stay around for a little..
#411
The driveshaft, the terrible rear diff, the rear diff forward bushing, and ALL terribly weak and soft sub-frame, all of it combines to a perfect display to the lack of understanding GM has when they built the V1.
I believe everything above combines into the massive wheel hop.
I will do cradle bushings first. Are there any recommendations that while I have the cradle dropped, are there any other parts that are simply easier to swap while off the car vs on the car? I am getting a litany of new arms, to swap on so I can play with OEM arms and load with polyu and various other materials that are not as soft as a No. 2 pencil eraser. Very good thread with lots of feedback from users. I want more input at to what breaks and why. The videos on YouTube show enough movement for me to base this simple analysis on. Comments welcomed.
I believe everything above combines into the massive wheel hop.
I will do cradle bushings first. Are there any recommendations that while I have the cradle dropped, are there any other parts that are simply easier to swap while off the car vs on the car? I am getting a litany of new arms, to swap on so I can play with OEM arms and load with polyu and various other materials that are not as soft as a No. 2 pencil eraser. Very good thread with lots of feedback from users. I want more input at to what breaks and why. The videos on YouTube show enough movement for me to base this simple analysis on. Comments welcomed.
#412
The driveshaft, the terrible rear diff, the rear diff forward bushing, and ALL terribly weak and soft sub-frame, all of it combines to a perfect display to the lack of understanding GM has when they built the V1.
I believe everything above combines into the massive wheel hop.
I will do cradle bushings first. Are there any recommendations that while I have the cradle dropped, are there any other parts that are simply easier to swap while off the car vs on the car? I am getting a litany of new arms, to swap on so I can play with OEM arms and load with polyu and various other materials that are not as soft as a No. 2 pencil eraser. Very good thread with lots of feedback from users. I want more input at to what breaks and why. The videos on YouTube show enough movement for me to base this simple analysis on. Comments welcomed.
I believe everything above combines into the massive wheel hop.
I will do cradle bushings first. Are there any recommendations that while I have the cradle dropped, are there any other parts that are simply easier to swap while off the car vs on the car? I am getting a litany of new arms, to swap on so I can play with OEM arms and load with polyu and various other materials that are not as soft as a No. 2 pencil eraser. Very good thread with lots of feedback from users. I want more input at to what breaks and why. The videos on YouTube show enough movement for me to base this simple analysis on. Comments welcomed.
You're smart to start with the cradle bushings as those allow a tremendous amount of movement. I would also do the forward diff bushing at the same time.
The following users liked this post:
kra86 (04-25-2021)
#414
#415
Very true.
The poly ones are a tad softer than Al and if anyone had the Al when I ordered years ago, that is what I would be running.
They worked great with the SFCs before we went 8.8.
I have a lathe now, soooooooo
The poly ones are a tad softer than Al and if anyone had the Al when I ordered years ago, that is what I would be running.
They worked great with the SFCs before we went 8.8.
I have a lathe now, soooooooo
#416
#417
I like that 2nd Gen rear diff brace. the weld-in option is much cleaner and looks like a good way to stop the OEM diff from rotating in the silly ways it does.
Cradle bushings + Weld in 2nd gen diff brace I think are the top two things. The next are the odds and ends, farting around with axle frequency, etc...I will fix those two things (diff-brace and cradle bushings) and see what I can break next.
Cradle bushings + Weld in 2nd gen diff brace I think are the top two things. The next are the odds and ends, farting around with axle frequency, etc...I will fix those two things (diff-brace and cradle bushings) and see what I can break next.
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Omar Corral (12-13-2020)
#418
#419
#420
Several ppls on fb tried this solution with perfect results, I have them also lying to my feet and will report after install!
Note: Every stiffer bushing will transmit more noise wherever u install them, that's in the natural of rubber and since when does it counts the weight of a bushing, we are building race cars or dd here???