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

Greddy x kw coilovers

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Old 02-15-19 | 01:27 AM
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Default Greddy x kw coilovers

Has anyone tried these?

https://www.evasivemotorsports.com/s...us-is-f-08-15/

Should I go ahead and step up to them from BC Coilovers 22k/18k?
Or should I go for the corner balance and alignment with my current setup and call it a day?
Old 02-15-19 | 07:03 AM
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I know a few people on the FB pages have gotten them, only heard positive results. But I do know they are 15/10 rates.
I recently went from 14/10 rates on my BC+swifts, to HKS GT Hipermax 4's. My BC's had about 50k/2 years on them and one started clunking in the front. The HKS rates are 16/10, and were only a few hundred higher, but I'm not convinced yet that they are worth the extra cost. They are comfy and less bouncy, seem to handle a bit better but hard bumps/imperfections are still felt on my trash Maryland roads. Definitely not anywhere as comfy as the ES350 loaner I had for a week.
Old 02-15-19 | 07:27 AM
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I have them on my F. They are definitely more of a street oriented coilover and since they do not have pillow ball upper mounts like the BC do (correct me if I'm wrong) they have more suspension travel and are super comfortable while still handling well. The BC's probably handle better due to the spring rates so I guess it depends on what you care about more, street manners or full on handling.
Old 02-15-19 | 10:52 AM
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What are you looking for out of coils? Track? comfort?

We can help you pick the right coil setup.

contact us!

-Josh
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Old 02-15-19 | 11:54 AM
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Originally Posted by Meraki Autoworks
What are you looking for out of coils? Track? comfort?

We can help you pick the right coil setup.

contact us!

-Josh
gonna hi jack here and say im looking for a balance of comfort and performance.
Old 02-15-19 | 07:34 PM
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Has anyone done testing of the OEM setup? I’ve been interested in the differences between 08 and 12 rates and coils.
Old 02-16-19 | 12:42 PM
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Originally Posted by Wh0pp3r
gonna hi jack here and say im looking for a balance of comfort and performance.
I had KW V3 on my ISF and I loved it. Lot more comfortable than OEM suspension and handled way better..

BC w/ Swift is a great option too, very common coilover setup.

-Josh
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Old 02-18-19 | 10:29 PM
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I have them on my daily driver, am considered fairly low, and have them adjusted pretty stiff on the dampening and yet haven’t had anyone that’s rode in my car say they felt harsh.

I’d say they are definitely a street performance Coilover. Have cornered with them at triple digit speeds and never felt like they couldn’t handle it and yet ride plenty smooth when not pushed.

For the price they are easily the best bang for your buck option.

Only drawback of these compared to V3’s is that they don’t utilize the factory top hats which is one of the main factors when people rant and rave about the ride quality of the KW V3’s. You will feel more road vibrations over stock. Especially if you install the aftermarket LCA’s that are also a must have.
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Old 02-19-19 | 07:37 AM
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I plan to eventually go with Ohlins. They are much more costly, but have only read good things about them.
Old 02-19-19 | 09:32 AM
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Originally Posted by FFM
I have them on my daily driver, am considered fairly low, and have them adjusted pretty stiff on the dampening and yet haven’t had anyone that’s rode in my car say they felt harsh.

I’d say they are definitely a street performance Coilover. Have cornered with them at triple digit speeds and never felt like they couldn’t handle it and yet ride plenty smooth when not pushed.

For the price they are easily the best bang for your buck option.

Only drawback of these compared to V3’s is that they don’t utilize the factory top hats which is one of the main factors when people rant and rave about the ride quality of the KW V3’s. You will feel more road vibrations over stock. Especially if you install the aftermarket LCA’s that are also a must have.
This is a spot on review. I agree with everything you just wrote
Old 04-21-19 | 02:28 AM
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Update: I find my BC/Swift to be wack now after driving on them for about 1/2 a year now... Maybe its just the stiffness of the suspension, but my cousins S2K felt much more comfortable with the KW V3s... That's a sports car too... I'm keened looking at the Greddy x KW, although low spring rates they might just be better for keeping the tire on the road.

22k/18k is definitely a spring rate the BC coils can't handle. I think anyone whose experienced 18k/14k probably had a better time with BC.
Old 04-21-19 | 04:40 AM
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Kw v3 that’s what I have there also rebuildable rides better then most trucks but that’s my opinion. I had bc Coilovers On my 99 gs 400 and it sucked didn’t like it but 2 different cars
Old 04-21-19 | 09:06 PM
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Once you go Penske you’ll never go back.
Old 04-21-19 | 11:31 PM
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Originally Posted by ISFpowered
Once you go Penske you’ll never go back.
Would go Penskes but they are out of my budget, I looked at the RR racing coilovers and I'm keened going that direction. How are the Penskes long term? Are they holding up to its name?
Old 04-22-19 | 12:30 AM
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Originally Posted by OneFastF
Would go Penskes but they are out of my budget, I looked at the RR racing coilovers and I'm keened going that direction. How are the Penskes long term? Are they holding up to its name?
Bummer because you have no idea what your missing out on. These absolutely blew me away so in a way they ruined me I would never want less. I had BC coilovers and always had budget coilovers and these are way more then just in another league. Long term wise I’ve had them for 2 years on my DD/track ISF and they can handle anything. I can’t even describe word wise how much better these feel over any other cheap coilovers.



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