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Tracking / Autocross / HPDE / Drifting What these cars were built for! |
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01-03-2024, 11:28 AM | #15 | |
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So multiple things... Nowhere near enough front camber for 200TW tires if you want to optimize the setup. I've got -5 degrees up front. Rear is... fine? What spring rates? What swaybars? Also, the misconception that "my crappy shocks are fine because my track is smooth" is totally ignoring what shocks do. Their primary job is to control what happens to the tires when there are driver inputs and track smoothness is mostly irrelevant for that. That said, Stance coilovers are "fine" valving wise.
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01-03-2024, 06:18 PM | #16 | |
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I dont really know the spring rates - I would very much assume they are whatever the off the shelf XR1 Stance coil overs are for the BRZ. Whiteline sway bars (adjustable, dont recall where they're set) and a front strut tower brace. That is wear on the front. Similar on both front tires. Rear is wearing nicely.
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2014 BRZ: Full track car. Gutted, caged, coilovers, AP enduro, OMP, bolt ons, aero, etc,
2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1992 NA Spec Miata: 1.6 + 1999 NB Spec Miata: 1.8 w/ all the goodies. 2018 GLE 63 AMG: +800hp whistling AWD TT V8 grocery getter 2016 GX460: IDK. Too reliable to sell. Too boring to use. |
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01-03-2024, 06:19 PM | #17 | |
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I wouldn't say fantastic. I think the sentiment is they're a good cheap shock. I'm sort of going all in on spec miata because of the number of them here locally and that an 86 isn't very competitive in WRL due to fuel tank/mileage otherwise I'd get coil overs that match the rest of the car. It's got a great cage, very good brakes, solid motor, upgraded trans, great cooling, great seats, etc. Shocks (and data logger) are the only place it sort of cheaped out. They are what came with the car when I bought it 5 years ago. If it was me, I would have gone with nicer coil overs. But otherwise, the car was awesome and the right price, and (knock on wood) it's been very good to me. I doubt I'd be any faster on $5k KWs, but I love a good set of coilovers. It was the first thing I did to the Viper and C7 (well, just the DSC controller as the springs were fine). The Viper came with Eibach lowering springs so I basically had to "fix" it. With the big aero on it, it needed more than OEM spring rates so stock wasn't an option, nor was just slapping super stiff springs on stock shocks.
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2014 BRZ: Full track car. Gutted, caged, coilovers, AP enduro, OMP, bolt ons, aero, etc,
2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1992 NA Spec Miata: 1.6 + 1999 NB Spec Miata: 1.8 w/ all the goodies. 2018 GLE 63 AMG: +800hp whistling AWD TT V8 grocery getter 2016 GX460: IDK. Too reliable to sell. Too boring to use. Last edited by GrandSport; 01-04-2024 at 11:05 AM. |
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01-03-2024, 07:14 PM | #18 | |
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Try reducing angle on your wing for the time being and/or raising the car as a whole (and re corner balance). remember, a higher leading edge on the wing doesn't mean it's positive AoA against the air flowing on the wing. |
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01-03-2024, 08:37 PM | #19 |
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Is there anything stopping you from removing the wing and splitter to test the balance without aero?
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01-04-2024, 11:08 AM | #20 | ||
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It's set to minimum A0A. Quote:
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2014 BRZ: Full track car. Gutted, caged, coilovers, AP enduro, OMP, bolt ons, aero, etc,
2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1992 NA Spec Miata: 1.6 + 1999 NB Spec Miata: 1.8 w/ all the goodies. 2018 GLE 63 AMG: +800hp whistling AWD TT V8 grocery getter 2016 GX460: IDK. Too reliable to sell. Too boring to use. |
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01-04-2024, 11:56 AM | #21 |
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What splitter do you have? Have you checked the angle of it, if it's mounted to the bumper there is a chance it's pointed in the wrong direction.
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01-04-2024, 03:56 PM | #22 |
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APR. It's pretty flat. A 4" splitter just isn't going to do much at relatively low speeds. And it's certainly going to less than the wing at AoA as speeds increase.
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2014 BRZ: Full track car. Gutted, caged, coilovers, AP enduro, OMP, bolt ons, aero, etc,
2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1992 NA Spec Miata: 1.6 + 1999 NB Spec Miata: 1.8 w/ all the goodies. 2018 GLE 63 AMG: +800hp whistling AWD TT V8 grocery getter 2016 GX460: IDK. Too reliable to sell. Too boring to use. |
01-04-2024, 04:01 PM | #23 |
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APR. It's pretty flat. A 4" splitter just isn't going to do much at relatively low speeds. And it's certainly going to less than the wing at AoA as speeds increase.
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2014 BRZ: Full track car. Gutted, caged, coilovers, AP enduro, OMP, bolt ons, aero, etc,
2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1992 NA Spec Miata: 1.6 + 1999 NB Spec Miata: 1.8 w/ all the goodies. 2018 GLE 63 AMG: +800hp whistling AWD TT V8 grocery getter 2016 GX460: IDK. Too reliable to sell. Too boring to use. |
01-04-2024, 05:11 PM | #24 | |
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My data may not be super beneficial. I’ve compared the car with the same tire and suspension setup/mods with and without a wing, but did realign the car each time to compensate. The with-wing setup was faster. I also tested for considering potentially adding a splitter, but never ended up mounting it. My test was mainly on 200tw tires in the ruleset vs Hoosiers as the wider 200’s at the time would have afforded adding a splitter vs my setup on a Hoosier. But the lap time slow-down from the 200’s for me just in back-to-back testing (1.5-2 second delta) didn’t seem like adding a splitter would overcome that lap-time difference so we never finished mounting it. There are people who have had good success with splitter and wing combo on non-Hoosiers, I just didn’t think it was worth the points on my particular car for TT5 and the tracks we drive
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01-04-2024, 06:34 PM | #25 | |
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I may take it off and see if there is any noticeable difference one day.
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2014 BRZ: Full track car. Gutted, caged, coilovers, AP enduro, OMP, bolt ons, aero, etc,
2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1992 NA Spec Miata: 1.6 + 1999 NB Spec Miata: 1.8 w/ all the goodies. 2018 GLE 63 AMG: +800hp whistling AWD TT V8 grocery getter 2016 GX460: IDK. Too reliable to sell. Too boring to use. |
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01-04-2024, 09:21 PM | #26 | |
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You literally want the leading edge to be slightly higher. Give it a shot, maybe 2 degrees negative. |
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01-07-2024, 02:01 PM | #27 |
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don't the v730s wear in a weird way due to the tread pattern. I only have -4 camber up front and -2.6 rear and have not had any issues with my v730s over several events
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01-17-2024, 12:19 PM | #28 | |
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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