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

Upgrading Shocks from 2010 (Bilstein or 2013 OE)

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Old 05-13-19, 03:10 PM
  #106  
pdxgs
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I used those same PN's on my 2010.
Old 05-13-19, 05:26 PM
  #107  
TurboGti
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Good info
I was looking to upgrade to coilovers but after reading this I may just do the Bilstein now and then focus on other big ticket items such as headers and bushings.

All 4 shocks I noticed yesterday are shot, I'm going to leave the OE springs for now. (Roads are terrible here, Grand scale road construction upgrade for the past year or so)

Thanks team CL

Last edited by TurboGti; 05-15-19 at 03:17 PM.
Old 05-13-19, 05:46 PM
  #108  
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Lundy I’m interested in your review vs the OEM shocks.

Thanks.
Old 05-14-19, 12:05 PM
  #109  
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Originally Posted by McPierson
Lundy I’m interested in your review vs the OEM shocks.

Thanks.
Just ordered the Swifts from @ModInJapan for a great deal. Shocks will be here tomo. Hope to have them on by next week. I'll keep you posted. Not certain what shap my OEM shocks are in with 59k on the car but it feels very bouncy.
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Old 05-14-19, 06:35 PM
  #110  
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If you don’t mind, please take a picture of the spring seat on the shocks. I’m working on upgrading from 08 to 12-14 springs and I know the diameter of the bottom coil is different. Wondering how Bilstein is handling that. Thanks.
Old 05-15-19, 09:34 AM
  #111  
Wh0pp3r
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would B6's and OE springs be sufficient? and not cause the lifted front/lowered rear end look? my struts are showing signs of seepage, and i wanna get ahead of this. but to be honest i don't wanna lower the car any further (L.A. roads). mine is an 09 for reference.
Old 05-15-19, 11:33 AM
  #112  
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Originally Posted by McPierson
If you don’t mind, please take a picture of the spring seat on the shocks. I’m working on upgrading from 08 to 12-14 springs and I know the diameter of the bottom coil is different. Wondering how Bilstein is handling that. Thanks.
I had one of my guys take a few pics of the front of the billy's. Once my Swifts come in I'll mount them to the shocks to make sure they line up. I bought the 12-14 Swifts springs. It'll probably be next week before they're on the car.



Old 05-15-19, 03:16 PM
  #113  
TurboGti
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Originally Posted by Wh0pp3r
would B6's and OE springs be sufficient? and not cause the lifted front/lowered rear end look? my struts are showing signs of seepage, and i wanna get ahead of this. but to be honest i don't wanna lower the car any further (L.A. roads). mine is an 09 for reference.
I've read mixed cases of this B6 &OE springs issue, some have the lift others don't, I think (correct me if i'm wrong) its a preload issue during installation.
I too don't want to lower any further.
I haven't pulled the trigger on the B6 as yet as i'm still researching this issue to confirm the Pre-load claim.
Old 05-15-19, 03:23 PM
  #114  
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Originally Posted by TurboGti
I've read mixed cases of this B6 &OE springs issue, some have the lift others don't, I think (correct me if i'm wrong) its a preload issue during installation.
I too don't want to lower any further.
I haven't pulled the trigger on the B6 as yet as i'm still researching this issue to confirm the Pre-load claim.
guess ill stand buy. if anything ill save my pennies and buy coilovers. lol
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Old 05-15-19, 06:33 PM
  #115  
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Thanks!
Sorry, maybe I missed it, but did you order 12-14 specific shocks? Did it come with two sets of lower mounts? I noticed someone said they used the same part number for their 08. Did that person have spring alignment issues?

Would you please have one of the guys measure that lower mount’s diameter (what would be the inner diameter of the coil?

also is that the rear or front shock?

tomorrow I’ll measure up the two generations of springs and post a few pictures.

Thanks
matt
Old 05-16-19, 09:01 AM
  #116  
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Originally Posted by McPierson
Thanks!
Sorry, maybe I missed it, but did you order 12-14 specific shocks? Did it come with two sets of lower mounts? I noticed someone said they used the same part number for their 08. Did that person have spring alignment issues?

Would you please have one of the guys measure that lower mount’s diameter (what would be the inner diameter of the coil?

also is that the rear or front shock?

tomorrow I’ll measure up the two generations of springs and post a few pictures.

Thanks
matt
Tire Rack says 12-14 but everybody else has used these same part numbers for 08-11.

Inner coil measurement where the spring sits the perch mount is 3.25" on both front and rear on the Bilstein's. I don't know if it's supposed to be that way but that's what I was shipped. My springs get here tomo so I'll see how they line up.
Old 05-16-19, 03:32 PM
  #117  
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Old 05-16-19, 03:36 PM
  #118  
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I guess my text got removed...

08 on left 12 on right

bottom id:
08 3.4”
12 2.82”


maybe thats not a problem. Very slim chance I got tricked into the 2012 springs. I’ll wait to hear your results. Thanks.
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Old 05-16-19, 03:52 PM
  #119  
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Ahh so the 12's have almost a whole coil more than 08 and im assuming 09.
Old 05-16-19, 04:18 PM
  #120  
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When I have time I’m going to measure the thickness and in compressed height then measure spring rates 😀
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