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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 06-21-2019, 05:31 PM   #15
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Not really related to this thread, but... genuine top hats do have an orientation?
They have a red/pink dot that should point forward like this:



Having said that, I've seen factory top hats installed in different orientations. Probably they were installed by some not well trained personnel or they were installed in hurry. If the orientation doesn't really matter, then what is the point of the dot?
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Old 06-21-2019, 05:55 PM   #16
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Subaru often uses paint dots to differentiate between similar looking parts.

The various STI springs for GD chassis back in the day (02-03 pinks, 04-07 pinks, USDM, JDM, gymkhana, Arai, etc.) would have different paint dot codes. The standard vs Group N top mounts also had different paint dots.

- Andrew
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Old 06-21-2019, 07:28 PM   #17
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Not really related to this thread, but... genuine top hats do have an orientation?
Nope
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Old 06-25-2019, 07:08 PM   #18
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Got the goods in the mail today! I will most likely install this weekend.



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Old 07-14-2019, 06:48 PM   #19
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Finally had a chance to install these. Everything feels great and these aren't rough on crap roads at all compared to stock. Maybe 15% more firm.

I still haven't had an alignment but it's clear that I've gained camber over my measly 0 degrees I previously had. My alignment will be tomorrow morning at a Subaru performance shop.

Even though I messed with my SPC camber bolts and threw these top hats in, the car still drives surprisingly straight so that's how I was able to test these out a bit.

On a canyon road these were silent, however upon pulling into my awkwardly paved parking spot I did hear a small popping noise from the passenger side strut tower. Might've been my STi V-bars though. I'll post my spec sheet once I get her aligned.
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Old 07-14-2019, 10:26 PM   #20
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Nice work. Will be interested to see your camber results. Driving my car yesterday for the first time in 3 weeks, I am still impressed with the extra front end grip. I also smacked a deep pothole with the drivers side front at speed. Everything held up good.
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Old 07-15-2019, 04:32 PM   #21
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Welp I went to the alignment shop but they recommended I replace my axles before the alignment so I don't have to get a 2nd alignment when I have them installed.

Bummer, but to be continued!!
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Old 08-08-2019, 09:47 PM   #22
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Looking forward to a post track/autox day review. Xp
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Old 08-13-2019, 06:23 PM   #23
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Camber Values?

Please share your DD camber settings. My commute is about 75 miles round trip and try for 4-5 track days annually. Thinking about -2.5 front and -2.0 rear.

My Koni's are waiting at the customs office for pick-up.
Hoping to install the Koni Sport Yellow's with the TRD springs, Pedders Top-Hats and SPC camber bolts and rear LCA's this coming weekend.
Then off to the alignment shop ASAP.
Planned Lapping at TMP on Sunday the 25th.
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Old 08-13-2019, 07:23 PM   #24
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Finally had a chance to do an alignment.

First one was trash, took away all my rear camber.

Second one was ok, but a little on the understeery side.

I will be doing a 3rd alignment this Friday but not before 3 runs at Sonoma Raceway which will give me a decent idea of how the car really handles on the track.



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Old 08-19-2019, 10:31 PM   #25
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Did the alignment and the track day.

Car handled amazingly. It was my first time at Sonoma so I didn't want to go 10/10 but the car did everything I asked for and more. No more does my tires sidewall roll over, turn in is extremely dynamic and most importantly the ride is still as comfortable as I want it. With these camber settings and my suspension setup, the car does tend to oversteer versus understeering. This is even after after going back to the stock rear sway bar. I am currently looking into parts that'll induce understeer or I may just increase rear camber.

I DO hear some slight popping noises when turning at low speeds, especially when it's really hot out. However it is so minor I don't consider it a problem.

These might end up being re-branded whiteline com-c...but for a daily driven car that goes on the race track I think this a great alternative to solid metal/pillow ball camber plates.

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Old 08-20-2019, 01:46 AM   #26
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Buy no parts, get instruction, lots of seat time, drive smooth, the oversteer will disappear on it's own
If you really want more stability add more rear toe in, maybe 0.07° to 0.08° per side
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Old 08-20-2019, 03:13 PM   #27
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Buy no parts, get instruction, lots of seat time, drive smooth, the oversteer will disappear on it's own
If you really want more stability add more rear toe in, maybe 0.07° to 0.08° per side
I agree that seat time is the best, but every time I would floor it out of the carousel it would stay flat until I got to the outer straight away rumble strip and I could feel the rear getting really light. It would actually angle me a bit to the left which is nice on some corners, but I’d rather go WOT and not worry about the rear bouncing around like that.
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Old 08-20-2019, 06:19 PM   #28
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What feels sketchy to the novice feels confident to the pro, open up the wheel sooner, let the car do the work.
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