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Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing.


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Old 01-29-2022, 12:41 PM   #1
euroshowoff
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Non overkill suspension?

Looking for suspension that will keep the stock characteristics of the car, but will be suited for a mild drop (~1”) with track appropriate wheels and tires. I’d like to do a max of 5 track days a season. Should I look into springs/shocks or a coilover system? I think the end goal is to run a 235 series tire on an 18x8.5 or 18x8 wheel. This will be for a 2022 BRZ bought for weekend warrior fun. Had racecomp yellows on my first gen, and I’m leaning towards the racecomp ss coils for the 2nd gen.


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Old 01-29-2022, 01:35 PM   #2
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Non overkill suspension?

I’d look at RCE yellows again with your choice of shock (stock/Koni/Bilstein).

Coilovers get stiff fast. Stock springs are around 3.5kg/mm, RCE yellows are ~4.5kg/mm. I can’t think of any coilover that’s under 6kg/mm.
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Old 01-29-2022, 02:03 PM   #3
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I run Bilstein B6 and H&R springs and am happy with it. I don’t like to adjust things so this works for me. In addition to -3 front and -2 rear camber and better sway bars the car is well balanced on the track
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Old 01-29-2022, 02:33 PM   #4
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Will spring/shock combo limit me as far as wheels/tire choices? I need functional over form.


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Old 01-29-2022, 03:01 PM   #5
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Will spring/shock combo limit me as far as wheels/tire choices? I need functional over form.


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You just need to be aware of the wheel offsets
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Old 02-03-2022, 12:21 PM   #6
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I’d look at RCE yellows again with your choice of shock (stock/Koni/Bilstein).

Coilovers get stiff fast. Stock springs are around 3.5kg/mm, RCE yellows are ~4.5kg/mm. I can’t think of any coilover that’s under 6kg/mm.
Ohlins R/T is 5kg/mm F/R I believe.
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Old 02-03-2022, 01:00 PM   #7
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ST are also pretty soft, looks like less then 4k F/5k R, and twin tubes are pretty good for road comfort. Racecomp SS are slight stiffer then ST iirc, might be an acceptable tradeoff for road comfort and track performance.

Edit: Ohlins were like 4k/3k for awhile

Lowering springs will allow you to use 8” wide wheels just fine in +35-+45 offset (lower offset means more camber from bolts though, you can get -3 with +40 on stock diameter springs), 225 wide tires are more widely available then 235 which is a bit of an oddball size, most manufacturers skip over it for niche track oriented compounds and go to 245 which is happier on a 9” or wider.
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Old 02-03-2022, 01:21 PM   #8
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ST Coilover V3

If it's good enough for drift King, It's good enough for you.
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Old 02-03-2022, 03:16 PM   #9
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ST Coilover V3

If it's good enough for drift King, It's good enough for you.
Structurally the same as Racecomp Superstreets (SS-1). Do the V3's have both bump and rebound adjust?
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Old 02-03-2022, 03:38 PM   #10
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ST XTA 3 are 3 way adjustable tho, without external canisters and different valving from the hybrid mono/twin tube design from Clubsport 3 way for example…they’re still amazing for that price, springs are 6k 5k like every ST coils
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Old 02-04-2022, 03:17 PM   #11
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I was in a similar situation and went with the SS-1 and have been extremely happy with them. They work great for autocross/track on the stiffest settings and are still very easy to live with for daily driving on the softer settings. Camber adjustment on these was a big selling point vs springs and shocks.
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Old 02-06-2022, 07:36 PM   #12
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If you're just daily driving and want to reduce wheel gap, 1 inch lowering springs are the way to go. If you're going to be tracking the car or want to run wider tire setups, start looking into coilovers with adjustable tophats. A good street coilover capable of mild track work is the RCE SS1 which I've seen mentioned in this thread and I personally use. If you want something geared to more serious track work, we'd need more detail about your setup, skill level, budget, etc.
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Old 02-06-2022, 07:55 PM   #13
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Stock with TRD lowering springs and swaybars was slightly stiffer ride then stock. Big change was bilstein B6; MUCH stiffer ride than stock.
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Old 02-10-2022, 09:49 PM   #14
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Check out the CSG Spec Flex A. Rides better than stock. Handles on track. Adjust clicks to go from street car to track car.

https://www.ft86club.com/forums/showthread.php?t=126107

It's just been finished for the 2022, and should arrive in April/May ish.
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