Suspension and Brakes Springs, shocks, coilovers, sways, braces, brakes, etc.

Ride Comfort

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Old 11-30-10, 05:24 PM
  #16  
IS-SV
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Yes, and the engineering that goes into original ride is best done by Lexus at considerable expense.
Old 11-30-10, 06:10 PM
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Micaiah
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Originally Posted by Initial_K
If you drop on F-sport, you will feel every bump on the road.
Maybe my car is different. Because it's really not that bad.

But then again, I also have VERY stiff springs on my Trans Am. THAT car makes my chiropractor rich.
Old 11-30-10, 06:54 PM
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Originally Posted by GSteg
Like I said in the previous page, the ***** aren't suppose to be used to change the car's ride characteristic that much. Many of the lowering springs are wound to be stiffer than stock in one way or another. I bet if you can lower your car using the same spring rate (or wound the same progressively), then you'll get close, if not the same ride quality as as stock. Of course handling won't handle the same.

If you have stiff spring rates and you've turned the dial down to full soft (even if it meant no damping control at all), then you'll still be stiffer than stock. The key to a nice ride quality is matching shocks to the right spring rate whether it be from coilovers or spring/shock. If you choose to go the coilover route, get a set with relatively soft spring rates and pray to God that they valved the shocks accordingly.
so if I go with springs what spring rate should I look for? Or do you not have a choice with springs?
Old 11-30-10, 07:03 PM
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The F sports are already designed with the proper spring rate for our cars. Unfortunately I dont know what it is....
Old 12-01-10, 09:27 AM
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IS-SV
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The warranty on F-Sport springs vs. Eibach 350 springs is a non-issue. They are the same springs.
Old 12-01-10, 10:17 AM
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Originally Posted by okthxbai
warranties usually aren't covered if the dealer doesn't do the install, at which point you're paying ridiculous labor rates. And for them to deny a warranty, the dealer must prove without a doubt that the spring(or any part for that matter) is a direct cause for whatever it was that failed.
f sport is covered if its not done but the dealer but i believe it only carries a part warranty which is 12 months or 12k miles.

first thing you have to realize is asking about ride comfort is like asking 100 different people what car brand is good. its all subjective. you can have 2 people drive the exact same car lowered and you'll get 2 different answers. as stated the best ride quality you will get is with the stock oem suspension. fsport is good and rides nice (from what i heard from several people) but i also heard that they are noisy.

imo i would go with coils designed for the car so they come with the correct spring rates. on top of that adjusting the dampening for fine tuning.
Old 12-01-10, 01:31 PM
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Micaiah
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The earlier F sport springs were noisy but Lexus had replaced them with a newer version. The ones that you buy brand new now do not make the infamous clunk. Or at least mine doesn't.
Old 12-01-10, 01:34 PM
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Originally Posted by Micaiah
The earlier F sport springs were noisy but Lexus had replaced them with a newer version. The ones that you buy brand new now do not make the infamous clunk. Or at least mine doesn't.
they also said the same about the bushings for the swap bars

imo i think its just over rated and hyped up because people feel it wont void warranties.
Old 12-01-10, 04:01 PM
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Originally Posted by Micaiah
The earlier F sport springs were noisy but Lexus had replaced them with a newer version. The ones that you buy brand new now do not make the infamous clunk. Or at least mine doesn't.
Yes, I have Eibach 350's which is the same spring purchased and installed May 2009, no clunking.
Old 12-01-10, 04:55 PM
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Originally Posted by Micaiah
Maybe my car is different. Because it's really not that bad.

But then again, I also have VERY stiff springs on my Trans Am. THAT car makes my chiropractor rich.
It depends, if you always had f-sport spring/shock on your car and never road on stock, than you won't be able to tell the difference
Old 12-01-10, 05:16 PM
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I had the sport package set up. I noticed a difference that's for sure!
Old 12-04-10, 07:48 AM
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ok so after looking at all your responses let me ask this.

It is very important that I have ride comfort. I know I will sacrifice some with lowering of any kind and "18 wheels. Again im looking for a minimal drop like how BMW, Audi, Mercedes comes stock.

Will coils (BCracing) with the right spring rate give me a better ride comfort then going with fsport spring/shock combo?
Old 12-04-10, 08:03 AM
  #28  
Micaiah
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Well actually I think it's the dampening(?) that's adjustable for softness or stiffness. I think it's done with an allen wrench and you go by a certain amount of clicks, depending upon your needs.

Last edited by Micaiah; 12-04-10 at 08:06 AM.
Old 12-04-10, 08:05 AM
  #29  
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Originally Posted by Micaiah
Maybe my car is different. Because it's really not that bad.

But then again, I also have VERY stiff springs on my Trans Am. THAT car makes my chiropractor rich.
Might be a better idea to stick rods instead of spring+shocks
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