IS F (2008-2014) Discussion topics related to the IS F model

Compiled Coilover Information

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Old 03-03-23, 12:55 PM
  #136  
msgs350
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Originally Posted by bakalag
I actually was speaking with Figs for a bit, the 16 springs were backordered a few weeks when I was ordering and I figured I would try the 18/14 set up. I was originally going with 16/12 on BC BR but upgrade to DS because of the stiffer spring. Depending if you prefer stiff or soft,,, 20/16 sounds pretty stiff o.o
Thanks! I've emailed Figs to get some guidance and really appreciate the feedback here and I misunderstood your response. I thought you wanted the ISF to be stiffer, but sounds like you were referring to your IS350.

Does anyone here have a pair of swift springs16k (or close for BC coils) that they're looking to get rid of?
Old 03-03-23, 07:50 PM
  #137  
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Originally Posted by msgs350
Thanks! I've emailed Figs to get some guidance and really appreciate the feedback here and I misunderstood your response. I thought you wanted the ISF to be stiffer, but sounds like you were referring to your IS350.

Does anyone here have a pair of swift springs16k (or close for BC coils) that they're looking to get rid of?
Where in WA are you? I have some Ohlins springs in 16K and 14K, they are the common coilover size 65mm x 200mm.

Old 03-03-23, 11:18 PM
  #138  
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Originally Posted by JT2MA71
Where in WA are you? I have some Ohlins springs in 16K and 14K, they are the common coilover size 65mm x 200mm.
Renton most of the time
Old 03-04-23, 09:35 AM
  #139  
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Originally Posted by msgs350
Renton most of the time
I'm 30-45 min. north if you want the springs.
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Old 03-29-23, 08:39 AM
  #140  
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Originally Posted by bakalag
I'm on BC BR + Swift 14/12 on my IS350 at 100k~ miles with no issues
My IS F is on BC DS + Swift 18/14 and rides smoother (dampening) at near stiffest setting than my IS350. 15clicks (about half) softness was super cush and comfortable but I prefer it to be stiffer.
Both cars are set about 2 finger gap all around.

Very happy with both, mostly just street and spirited corners with occasional canyons
So are you saying the DS ride softer than the regular BR from coilovers? I am looking to get one of them with the Swift Springs likely. However, also considering the entry level model from RR Racing using Silvers Shocks. I have had 3 sets of BCs though over the years and been happy with them all so worried about switching. Timing will have something to do with it though if the right spring rates are too far out.
Old 07-09-23, 12:23 AM
  #141  
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Originally Posted by bakalag
I'm on BC BR + Swift 14/12 on my IS350 at 100k~ miles with no issues
My IS F is on BC DS + Swift 18/14 and rides smoother (dampening) at near stiffest setting than my IS350. 15clicks (about half) softness was super cush and comfortable but I prefer it to be stiffer.
Both cars are set about 2 finger gap all around.

Very happy with both, mostly just street and spirited corners with occasional canyons
How are you liking the BC DS + Swift springs on your ISF? I need new shocks, and I am looking at the BCs and also RR Racing's R&T R2 set. Price is very comparable between the both.
Old 07-10-23, 10:26 AM
  #142  
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They ride softer and more comfortable than the BR and other ISF/RCF/GSF owners have ridden/drove my car and like them too, The BRs are generally pretty smooth but can get harsh, bouncy at times, the DS seem to be more soft/smooth bouncy. I'm about 10 clicks from the top. I tried 15 clicks from the top and it basically was really smooth and not bouncy but since I do like to the hit the corners I stiffened up the clicks a bit. Might try to go even stiffer this weekend as last weekend I hit the canyons and my street/cruising setting was a bit softer than I liked.

Not sure if it helps but some vid of the canyon "bounce" for reference



Last edited by bakalag; 07-10-23 at 10:32 AM.
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Old 07-10-23, 01:03 PM
  #143  
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Glad to hear your opinion of them riding softer than the BR but better overall. I had 14/12 BRs but they are shot and I am upgrading to the 18/14 DS that you have now. Ordered about 4 weeks ago so hopefully they will be ready soon.
Old 07-10-23, 02:34 PM
  #144  
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I hope you enjoy them! I was really impressed with mine, I was expecting a harsher ride with the stiffer springs but it was way more compliant than I expected.
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