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Cosmetic Modification (Interior/Exterior/Lighting) Discussions about cosmetic mods.


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Old 02-25-2014, 07:24 PM   #1
mokinbird87
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custom diffuser in the works

I`m never going to get around it if I dont post it here so here it goes. quick napkin sketch of what I`m thinking of fabricating. I`m no aerodynamics wizard, but as Tada san says, best aerodynamics is nothing so this mesh style diffuser should allow more airflow instead of acting like a parachute. also, since the exhaust exits are just holes into the mesh, single exit exhaust will actually look good with this diffuser. let me know what you guys think.


thanks,
Andy


UPDATE
3/10/14

NOT the final version, but based on a LOT of measuring I have mocked up something in CAD to get a better visual.




UPDATE 3/14/14
more refined CAD and a quick photoshop of how it would look like:








UPDATE 3/27/14
I added two holes with a cap for more downforce. I have no idea if this will work, but F1 has it pretty well explained
[ame="https://www.youtube.com/watch?v=YvkFKgBU-8Q"]Renault R30 Innovative Rear Diffuser Explained - YouTube[/ame]

how it looks without the cap

with the cap in place

the underside

overall appearance


update 3/29/14

scored a donor rear bumper. gonna start hacking away at it today


it fits in the car by the way



update 3/30/14
just chop that fool off



one take away: the diffuser design will have to cover up this ugly area.


update 4/1/14
what the final could look like now


some napkin sketches



update 4/2/14
more exploration...


update 4/3/14
the white bumper goes on the car. gonna start making the mock-up model with foam core to make all the measurements this weekend.






update 4/6/14
started mocking up the diffuser with foam core. will 3D scan this mock up and clean it up in CAD... just wanted to make sure that everything is fitting well.



2nd part of the diffuser...



I think I`m going to cover up the bumper beam and just leave the toe hook spots open. one more step of foam core mock up and then I will scan everything in 3D.

update 04/11/14
final rendering. this is how I`m going to integrate the reverse lights and the fog light.



check out my other thread on the functional side vent:
http://www.ft86club.com/forums/showthread.php?t=59345
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Old 02-26-2014, 08:50 AM   #2
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Reminds me a bit of the setup that one of the members has on here, that I THINK he pirated from a Lotus Elise. Looks good, I really like the idea of replacing the entire rear valence to make once whole, integral unit.

Provided the "mesh" is decent quality, and doesn't look like home depot stuff that has been butchered, the exhaust could look good, but I assume you'd need a custom setup to have it exit that high up?

Also looks like you're planning on a custom reverse light/bar setup as well? Or am I misreading the height/depth of that rendering?

Either way, looks good on paper, would be very interested to see how it comes out.
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Old 02-26-2014, 09:40 AM   #3
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Cool concept. I'm interested in seeing more renderings
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Old 02-26-2014, 11:27 AM   #4
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Quote:
Originally Posted by FR-Slide View Post
Reminds me a bit of the setup that one of the members has on here, that I THINK he pirated from a Lotus Elise. Looks good, I really like the idea of replacing the entire rear valence to make once whole, integral unit.

Provided the "mesh" is decent quality, and doesn't look like home depot stuff that has been butchered, the exhaust could look good, but I assume you'd need a custom setup to have it exit that high up?

Also looks like you're planning on a custom reverse light/bar setup as well? Or am I misreading the height/depth of that rendering?

Either way, looks good on paper, would be very interested to see how it comes out.
This is the thread he's talking about:
http://www.ft86club.com/forums/showthread.php?t=30149
The guy did use a Lotus diffuser and did need a custom exhaust to exit where he chose to, as well as notching the bumper beam. I plan to do something very similar myself, hope this was helpful.
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Old 02-26-2014, 02:02 PM   #5
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I do love that one, I just didn't want to mod that much.
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Old 02-26-2014, 02:14 PM   #6
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I do love that one, I just didn't want to mod that much.
I've seen yours in person on Malt's car. Not my style, but very nice.
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Old 02-26-2014, 04:13 PM   #7
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thanks for all the feedback guys. I plan on sending out an entire bumper with the integrated diffuser if i decide to sell the part. here is take number 2.
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Old 02-26-2014, 04:34 PM   #8
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i plan on using this part as a part of the diffuser. I guess for the FR-S GT86 guys this part is optional.. I personally dont care for the toyota 2000gt triangle rear fog light.

so... i just ordered this:


looks like this on the STI:
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Old 02-26-2014, 04:49 PM   #9
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Maybe a single exit option? Some solutions to cover up the unused exhaust port are nice, but a proper single exit diffuser may be a monopoly at this point. Food for thought Thanks for the efforts!
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Old 02-26-2014, 05:12 PM   #10
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Quote:
Originally Posted by Wonderbar View Post
I do love that one, I just didn't want to mod that much.
Still love my Driveway Labs!

Get compliments on it all the time

Thanks Carl

Apologize for the thread jack
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Old 02-26-2014, 05:33 PM   #11
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Quote:
Originally Posted by mokinbird87 View Post
i plan on using this part as a part of the diffuser. I guess for the FR-S GT86 guys this part is optional.. I personally dont care for the toyota 2000gt triangle rear fog light.
Thoughts on reverse lights? I'm trolling the interwebs trying to find some big dumb diffusers, and the ones that really modify the bumper delete the reverse lights. That's cool and all, but I do drive my car off the track so I'd like some rear visibility.

I've thought of some small 4-LED flood lights, but I don't want to blind anyone behind me at night, even if I would be able to see far better than what the stock lighting provides.
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Old 02-26-2014, 05:43 PM   #12
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Maybe a single exit option? Some solutions to cover up the unused exhaust port are nice, but a proper single exit diffuser may be a monopoly at this point. Food for thought :) Thanks for the efforts!
Yea so.. If you read my original post I talked about the single exit option. It's just a matter of drilling one or two holes into the mesh and mounting the trim around the exhaust tips :)
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Old 02-26-2014, 05:45 PM   #13
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Thoughts on reverse lights? I'm trolling the interwebs trying to find some big dumb diffusers, and the ones that really modify the bumper delete the reverse lights. That's cool and all, but I do drive my car off the track so I'd like some rear visibility.

I've thought of some small 4-LED flood lights, but I don't want to blind anyone behind me at night, even if I would be able to see far better than what the stock lighting provides.
It's hard to see, but if you look at the sketch you can see that the original reverse light is still intact. The only part getting covered up is the triangle part of the reverse light assembly and the white parts are just hidden behind the mesh
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Old 02-26-2014, 06:16 PM   #14
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Look at the difflow stuff, you might be able to get some styling ideas, or even pick up one of those units and modify it to fit what you want.
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