Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

any idea on how to stop the squat??

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Old 12-27-2013, 10:40 PM
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Default any idea on how to stop the squat??

I'm on h&r and mm spacer but can't seem to stop the squat it seems to just be going all the way down when I'm on it and maybe sitting on the bump stops
Old 12-27-2013, 11:16 PM
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The compression dampening provided by your combination of springs and shocks is insufficient.

One solution would be to buy solid aluminum cylinders and replace your H&R springs with them. Or you could buy a set of KW Variant 3's @ about $1750, and upgrade the springs with Swift 120/160 N-m (672/896 in-lb) metric springs front and rear.
Old 12-27-2013, 11:57 PM
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Just from visually looking at H&R setups and that they are a relatively soft spring, they're too low in the back. I wouldn't be surprised if you are hitting the bump stops if you mash the pedal. On those springs the car needs the rear a little higher than the front - similar to how the stock setup is in ratio at least.

To possibly add some more rebound dampening and a smidge more ride height in back... see if you can modify the MM setup with a thinner spacer.

Last edited by MN_V; 12-28-2013 at 12:05 AM.
Old 12-28-2013, 11:48 AM
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I was wondering if I could use a spring spacer like the gto guys get for squatting real bad
Old 12-28-2013, 11:54 AM
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So you basically want to add a tall bumpstop to the shock body or a spring rubber to boost spring rate. It's exactly the opposite of what you should be doing, but some people prefer to destroy any semblance of handling or ride quality to save a buck.
Old 12-28-2013, 12:51 PM
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Well they just add a rubber spacer in the middle of the spring and it makes it tighter I'm trying to avoid spending a grand to stop squatting so bad
Old 12-28-2013, 12:55 PM
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It's not a spacer. It's a spring rubber. They're commonly used by NASCAR teams to tweak spring rates. But those spring rubbers wear out fairly quickly when you're relying on them to prevent the spring from bottoming out. I used them on my dual-rate Ground Control / Eibach build. Bad memories there.
Old 12-28-2013, 01:01 PM
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OK so what are the other options here then the spring spacers...
Old 12-28-2013, 01:25 PM
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Try the spring rubber spacers, they may work for you!
Old 12-28-2013, 03:00 PM
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You could also try an air bag that many of the gto guys use at the track.

I had those springs and they are pretty soft.
Old 12-28-2013, 05:15 PM
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Fuzzy you have some nerve saying "to save a buck". You work on your car in the parking lot in front of your apartment...really. You tried his idea but because it didn't work for you, you feel the need to question the OP's money situation? You can do whatever you want to your car, I saw your video on youtube, until you get some driving skills you'll always be in last...
Old 12-28-2013, 05:45 PM
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Originally Posted by GFallen
Fuzzy you have some nerve saying "to save a buck". You work on your car in the parking lot in front of your apartment...really. You tried his idea but because it didn't work for you, you feel the need to question the OP's money situation? You can do whatever you want to your car, I saw your video on youtube, until you get some driving skills you'll always be in last...
I have a condo. You have a lot of guts talking about my driving skills. I know which video you saw and read your comment. I'm wholly unfamiliar with doing burnouts, 360s, and anything quarter-mile related because I do not want to abuse my car and burn up my tires.

If we ever meet up, I'd be happy to hand your *** to you in a road race. The ability to be effectively irresponsible with the car ≠ a good driver.

Last edited by FuzzyLog1c; 12-28-2013 at 05:56 PM.
Old 12-28-2013, 06:25 PM
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if you have no road racing experience, odds are you might not be as good at doing it as you think. I have never seen someone who has never done it before jump into a car and be good at it.

Either way, its better to ignore Fuzzy at times. There are many different ways to reduce squat in your vehicle without having to buy coilovers.
Old 12-28-2013, 06:36 PM
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Originally Posted by liqidvenom
if you have no road racing experience, odds are you might not be as good at doing it as you think. I have never seen someone who has never done it before jump into a car and be good at it.

Either way, its better to ignore Fuzzy at times. There are many different ways to reduce squat in your vehicle without having to buy coilovers.
On the first point, agreed. It's a different world above 135 mph, and another one again above 165 mph. I won't know for certain until I actually get on the track. Beware the Dunning-Kruger Effect.

On the second point, I'd like to point out that you have no suggestions, while crapping all over mine. There are only two things you can do to reduce squat: stop accelerating so hard, or increase rear compression resistance. The only ways that you can increase compression resistance are:
  • Increase spring rate by installing stiffer springs
  • Increase effective spring rate by installing spring rubbers
  • Increase shock compression dampening via valving or oil
  • Install tall bump stops to bottom out the suspension early (cheating)
Old 12-28-2013, 06:48 PM
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I gave my suggestion already and i did so in a fashion that i didnt come off like a tool.

When someone asks for help on a forum i fail to see what is gained by giving advice as if you are on a high horse. Many of the people on the V section actually get paid to develop vehicles and manage to not rub people the wrong way that you do at times.

Either you give advice or you dont and just move on. no need for snide comments while doing so.
Old 12-28-2013, 06:54 PM
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I wonder if a set of FG2s in the rear would help... it seems like the fronts blow out a lot so you see more rear sets floating around.
Old 12-28-2013, 07:10 PM
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Some more ideas for the OP

http://www.ls1gto.com/forums/showthread.php?t=83614
http://www.ls1gto.com/forums/showthr...=spring+spacer
https://ls1tech.com/forums/pontiac-g...need-help.html
Old 12-29-2013, 10:05 PM
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I never had a single issue with my h&r, fe4 combo. You sure everything is installed correctly?
Old 12-29-2013, 11:10 PM
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Yea pretty sure what could I check ? Got anything in mind
Old 12-29-2013, 11:14 PM
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Air bags!


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