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

best coilovers and suspension mods.

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Old 07-27-17, 09:32 PM
  #16  
allst4risf
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maybe its the seats cuz when i drive my buddies 911 for 4 hours i dont get the same lower back pain.
Old 07-28-17, 06:29 AM
  #17  
Quadrphnia
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Originally Posted by allst4risf
maybe its the seats cuz when i drive my buddies 911 for 4 hours i dont get the same lower back pain.
I've had this problem with every Japanese car I've owned over long distances. I've found that a seat lumbar adjustment is necessary once a month or so. A bit like rotating pillows between firm & less firm, something else I find myself doing.
Old 11-03-18, 11:00 PM
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Gsxr6k6
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Originally Posted by gravesg
just make sure your shocks aren't blown in the front or rear.

lexus tried to tell me in 3 visits mine weren't and everything was normal

i told them the ride felt weird, and showed them the alignment would not go to spec

they replaced my rears, *had fronts done couple months ago* but after the rear replacement, the ride feels amazing

i have 83K on my 2012, i'm guessing the rears have been bad since about 77k.
Was the replacements covered under any warranty?
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Old 11-04-18, 07:00 AM
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Jwconeil
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I have thought about this lAtely. I actually really like the 13 suspension. Very smooth ride to me. I want to upgrade my 350 suspension to 13F suspension, so I may go ahead and upgrade the F suspension and then swap stock into the 350.

what is the real difference between B.C., Penske, Ohlins, and kw. Will any ride as smooth as 13F suspension? I think the 13 suspension is great for canyon carving.

also, how does the 350 Fsport suspension compare to the 13ISF suspension?
Old 11-04-18, 09:13 AM
  #20  
McPierson
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Has anyone tested the OEM springs? Was it just a difference in shocks or are the springs different?

I tested the OEM vs Tanabe vs HR for the LS400. If this interesting to people I could provide some credentials if others could provide OEM springs to compare.


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