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DIY: My attempt at a JDM Style Rear Diffuser

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Old 05-20-2024, 08:25 AM
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what we have here is a failure; a failure to recognize the real issue (again) …
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Old 05-20-2024, 08:37 AM
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Which is ?
lack of power to obtain speed suficient to generate any meaningful downforce ? Or being so low / close to the ground.

Old 06-28-2024, 12:22 PM
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Update:

Nice to report some progress! Diffusor is painted and mounted. They did an awesome job with the piece I provided and is now super secure. They did have to clean up a ton of work from the hack who plasma'd the s**t out of my inner trunk area but looks great now and totally worth the investment to fix / clean it up.

Custom muffler and full vband is just about complete as well. Seriously looks awesome and def saved more than a few lbs. The Laguna tip I requested is def a fun piece, ha.

So all that's left for this phase is chassis mounting my Esprit 1640mm dry GT, installing custom quick release center flat-bottom section (from engine / trans area back to differential where it meets the rear diffusor, front is completely sealed with KnightSports under tray and Laile engine cover) and custom carbon fender extensions ala RE / Ridox style. Then off to Laguna for some beta testing.

Although I'm not sure how balanced front end downforce will be with so much rear aero… we'll see!










Before painting




Thanks for looking!
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Old 06-29-2024, 06:53 AM
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well done
Old 06-29-2024, 10:42 AM
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functionally it’s poorly executed on multiple levels
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Old 06-29-2024, 11:39 AM
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Originally Posted by TeamRX8
functionally it’s poorly executed on multiple levels
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You need to be more specific when making statements like that. I'm not a mind reader.

Regarding work and design, the pro D1 shop who's completing all the fab work seems to think the diffuser was road course worthy and their work sound, I'm curious where you see fault. Could you please elaborate (this is where the being specific part comes in)?

On a side note, you could always take a higher road to be kind / helpful as opposed to making negative, condescending, snide, rude, etc remarks. I've always made it clear that I value your input but you seem to be preoccupied with being the resident know-it-all. There is no competition other than what you perceive in your mind. High time to leave the nonsense behind.

"We shall pass this way on Earth but once, if there is any kindness we can show or good act we can do, let us do it now, for we will never pass this way again." -Stephen Grellet

ps- unless you have an impulse control disorder or something, and then I apologize for not being sensitive to your specific needs.

Have a great day
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Old 06-29-2024, 12:06 PM
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YES, Constructive criticism would be much more helpful. We could actually learn from it, not try to guess what the "artist" intended to "say"
Old 06-29-2024, 12:15 PM
  #33  
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it’s the truth, you could constructively ask me to explain my reasoning of such. it works both ways.

which I already attempted to explain some, but Paul only ever wants to hear what he wants to hear. Not that I’m obligated to explain in detail regardless. There are plenty of examples of more effective diffusers wrt less drag and more downforce.

at best it’s a under-bumper wing.
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Last edited by TeamRX8; 06-29-2024 at 12:54 PM.
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