Suspension Springs, struts, coilovers, sway-bars, camber plates, and all other modifications to suspension components for Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Suspension Front sway bar in conjunction with 22mm rear bar

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Old Jan 7, 2007 | 08:40 AM
  #1  
qwertmonkey's Avatar
qwertmonkey
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From: A street address or space indexing system.
Front sway bar in conjunction with 22mm rear bar

After figuring out the h-sport race bar isn't for me, I'm looking at a 22mm rear bar for the MCS. I am also looking at a stiffer one for the front. I read in several posts that this is not a good idea. Why is that exactly? I'd like it to be as flat as possible, but don't want it to pose any threat to the driver's saftey. (Turning and going straight. ) Its the h-sport front sway bar (Not sure what diam.) and the 22mm h-sport rear bar that I'm wanting to use together.

Any insight?

Thanks,
William
 
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Old Jan 7, 2007 | 09:38 AM
  #2  
weezer2282's Avatar
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A bigger front bar will dial in more understeer. The reason to put on a rear bar is to reduce some of the understeer that comes designed in stock. However, with camber plates and a 22mm bar on the stiffer settings the car can become very tail happy. Adding a front bar can reduce some of the oversteer and make the car less tail happy, as well as changing to a smaller diameter rear bar like a 19mm or 18mm.

Any larger sway bar will also reduce ride quality. It makes the wheels act less independently. The consensus for a street setup seems to be either a 19mm or 22mm rear bar only. 22mm if you ever plan on autocrossing or tracking and don't plan on doing many other suspension mods. 19mm is safer and would work well later on if camber plates were to be added.

I have the hsport comp rear bar(22mm effective) and it is fine for the street on the soft and middle settings. If you drive too hot into corners on the middle setting the rear end will come out when you lift or brake. I've settled on the softest setting just to be safe and it works well.
 
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Old Jan 7, 2007 | 10:06 AM
  #3  
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From: Fresno,Ca
Originally Posted by qwertmonkey
After figuring out the h-sport race bar isn't for me, I'm looking at a 22mm rear bar for the MCS. I am also looking at a stiffer one for the front. I read in several posts that this is not a good idea. Why is that exactly? I'd like it to be as flat as possible, but don't want it to pose any threat to the driver's saftey. (Turning and going straight. ) Its the h-sport front sway bar (Not sure what diam.) and the 22mm h-sport rear bar that I'm wanting to use together.

Any insight?

Thanks,
William
You need to clean out your meassage box, its full.
 
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Old Jan 7, 2007 | 08:04 PM
  #4  
COR BLMY's Avatar
COR BLMY
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From: Concord, California
weezer

GEEAT INFO

thanks
 
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Old Jan 7, 2007 | 10:01 PM
  #5  
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COR BLMY
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From: Concord, California
Hey SCOOBY...
I was just taking a close look at your bio and see you have the comp.

what feedback can you give me

I am trying to decide comp or sport

Thanks
 
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Old Jan 8, 2007 | 02:56 AM
  #6  
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Generally a big front bar is undesirable on a FWD car because it tends to pick the front inside tire off the ground enough to seriously hurt traction in a corner, LSD or not. So it's usually better to counterbalance a too-stiff rear bar with stiffer front springs. That said, the 27mm H-Sport front bar is hollow so the increase in rate at both settings is only +16% or +27% over stock.

The rear 22mm or Comp bar (25.5mm but hollow so ~equivalent to a 22mm only 4lbs lighter at +226%, +294% or +383%) is great by itself if you want to have the option of using trailing throttle oversteer. If that doesn't sound like fun to you, the 19mm or even stock is probably more suitable.

The solid 25.4mm Race bar is +314%, +394%, or +501% so you essentially lose the lowest setting of the Comp bar and gain one extra stiff one.
 
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Old Jan 8, 2007 | 09:50 AM
  #7  
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COR BLMY
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From: Concord, California
Thanks ... COMP it is then
 
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Old Jan 8, 2007 | 10:10 AM
  #8  
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I've got a spare front h-sport bar, new, sitting in the box in my garage. I planned to do front and rear, but ended up with the 19mm rear and camber plates, so I think I'm going to stick with that.
 
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Old Jan 8, 2007 | 07:31 PM
  #9  
weezer2282's Avatar
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Originally Posted by BFG9000
Generally a big front bar is undesirable on a FWD car because it tends to pick the front inside tire off the ground enough to seriously hurt traction in a corner, LSD or not. So it's usually better to counterbalance a too-stiff rear bar with stiffer front springs. That said, the 27mm H-Sport front bar is hollow so the increase in rate at both settings is only +16% or +27% over stock.

The rear 22mm or Comp bar (25.5mm but hollow so ~equivalent to a 22mm only 4lbs lighter at +226%, +294% or +383%) is great by itself if you want to have the option of using trailing throttle oversteer. If that doesn't sound like fun to you, the 19mm or even stock is probably more suitable.

The solid 25.4mm Race bar is +314%, +394%, or +501% so you essentially lose the lowest setting of the Comp bar and gain one extra stiff one.
Good info.
 
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Old Jan 8, 2007 | 09:04 PM
  #10  
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Originally Posted by BFG9000
Generally a big front bar is undesirable on a FWD car because it tends to pick the front inside tire off the ground enough to seriously hurt traction in a corner, LSD or not. So it's usually better to counterbalance a too-stiff rear bar with stiffer front springs. That said, the 27mm H-Sport front bar is hollow so the increase in rate at both settings is only +16% or +27% over stock.

The rear 22mm or Comp bar (25.5mm but hollow so ~equivalent to a 22mm only 4lbs lighter at +226%, +294% or +383%) is great by itself if you want to have the option of using trailing throttle oversteer. If that doesn't sound like fun to you, the 19mm or even stock is probably more suitable.

The solid 25.4mm Race bar is +314%, +394%, or +501% so you essentially lose the lowest setting of the Comp bar and gain one extra stiff one.
The Race bar isn't that bad, so someone buy my Race bar!!

https://www.northamericanmotoring.co...ad.php?t=86436

JOHN
 
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