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Tracking / Autocross / HPDE / Drifting What these cars were built for! |
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11-21-2020, 12:00 PM | #1 |
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Spoiler / wickerbill
Well, I believe I've come to the point in my tracking adventure that I am researching aero: adding a splitter and spoiler (not a wing) and maybe rear diffuser.
Looking for others'experiences, recommendations, warnings, etc. Planning on making the splitter. Looking for a spoiler just large enough to be able to add an adjustable strip to it's rear surface. MY14 BRZ Sent from my moto g power using Tapatalk |
11-21-2020, 12:20 PM | #2 |
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Here are a couple I like:
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11-21-2020, 12:32 PM | #3 |
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norcalpb
Thanks. The first looks too narrow. What's the second one? I like the last two. Sent from my moto g power using Tapatalk |
11-21-2020, 01:27 PM | #4 | |
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Verus was nice enough to do some virtual air flow testing on it: https://www.verus-engineering.com/bl...ap-analysis-31 I’m iffy on it because it may produce a ton of drag at high speed, which our little engines don’t like. But real world application can always differ. |
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11-21-2020, 01:49 PM | #5 |
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norcalpb
Not the Perrin unit, it mounts on the OE spoiler. I will remove my OE spoiler. Sent from my moto g power using Tapatalk |
11-21-2020, 01:54 PM | #6 |
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norcalpb
I can't find the second one (no name or logo) as Perrin. Would it mount directly on the back of the trunk lid? Sent from my moto g power using Tapatalk |
11-21-2020, 01:58 PM | #7 |
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The Perrin unit that mounts on the OE spoiler is listed as DISCONTINUED on 86speed website.
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11-21-2020, 06:06 PM | #8 | |||
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Quote:
Quote:
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You can also try your hand in making your own, similar to this: |
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11-21-2020, 07:20 PM | #9 |
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norcalpb
I think I'll look for a low profile unit to mount on the lid that will allow me to add a strip to it's back Sent from my moto g power using Tapatalk |
11-22-2020, 01:56 AM | #10 |
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949 Racing project car:
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11-23-2020, 11:53 AM | #11 |
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Why are you so against adding a rear wing element?
Spoilers like the 949Racing car result in a high drag effect as a results of a massive wake zone immediately behind the element itself. My Versus front splitter + UCW Rear Wing at 6* AOA resulted in 2 mph less VMax at Mid-Ohio (122 vs 120 mph) into China Beach and still was ~1.5 seconds faster on the same tire same conditions.
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11-23-2020, 03:55 PM | #12 |
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You just made me realize that an adjustable rear wing could be moved to a lower drag config for the drive home because mpg because I'm driving this car Monday morning too...
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11-23-2020, 04:05 PM | #13 | |
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Those type of spoilers do great at low speed (think all Street Prepared style classes). Anything above 60+ you're going to see a massive negative impact
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The Following User Says Thank You to M0nk3y For This Useful Post: | strat61caster (11-23-2020) |
11-23-2020, 04:59 PM | #14 | |
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That is what I am planning to do with my GTC200. The drag from it is bad at minimum AOA. Going to build custom mounts with more adjustment.
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | norcalpb (11-23-2020) |
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