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My Shine RE Carbon Fiber Diffuser Install

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Old 05-07-10, 05:29 AM
  #26  
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Originally Posted by Scrub
Damn dude nice writeup Hopefully you can give some feedback as to weather or not you notice a difference after installing it. I'm kinda curious if it helps with anything other then aesthetics.

-Dan

I'm not sure I noticed any difference at all when I installed mine. "testing" at 100+ mph revealed no major difference in handling. I didn't seem get that "floating" feeling on the road at speed but can't be sure it wasn't just my mind wanting to believe my diffuser was helping.

I have read posts of others saying that it helped them but I personally can't confirm whether it did anything.
Old 05-07-10, 05:32 AM
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nice work crispy and it looks great! can't wait to put mine on
Old 05-07-10, 08:09 AM
  #28  
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Originally Posted by evot23
I'm not sure I noticed any difference at all when I installed mine. "testing" at 100+ mph revealed no major difference in handling. I didn't seem get that "floating" feeling on the road at speed but can't be sure it wasn't just my mind wanting to believe my diffuser was helping.

I have read posts of others saying that it helped them but I personally can't confirm whether it did anything.
That's exactly what I was wondering about, but I'm wingless... I'd assume the R1 or 99 spec wing will eliminate that feeling, but I don't want to add a wing.
Old 05-07-10, 08:26 AM
  #29  
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Typically aero won't have any noticeable effect (to the driver) until you are well over 100mph.
It was only about 130-140 where my car would start to feel "floaty" and the steering would get light. I hope to hit the track a few times this summer so I will let you know. Of course with the '99 wing my car has been pretty planted already so no guarantees I can give you much.

I did not buy it specifically for the aero benefits. More for the aesthetics Sorry to disappoint.
Crispy
Old 05-07-10, 10:11 AM
  #30  
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Crispy, looks great! Very nice car.
Old 05-07-10, 10:29 AM
  #31  
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Very nice indeed.
Old 05-07-10, 10:43 AM
  #32  
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Originally Posted by CrispyRX7
Typically aero won't have any noticeable effect (to the driver) until you are well over 100mph.
It was only about 130-140 where my car would start to feel "floaty" and the steering would get light. I hope to hit the track a few times this summer so I will let you know. Of course with the '99 wing my car has been pretty planted already so no guarantees I can give you much.

I did not buy it specifically for the aero benefits. More for the aesthetics Sorry to disappoint.
Crispy
where this particular body diffuser excells is picking up rocks so you'll see some added weight to help with some rear traction

On a serious note it's more of a hormonal modification to the driver and adds to what is already in my eyes the finest *** on the planet.
Old 05-07-10, 11:55 AM
  #33  
needs more track time
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Speaking of rocks...

Check out what Adam did adding a fender liner to the passenger side rear tire to help decrease/eliminate the rock collecting. I haven't done it yet but will eventually. The rocks eventually find their way out.

Pics somewhere in his thread...
https://www.rx7club.com/nw-rx-7-forum-33/fd-restoration-%24%24%24%24-damnit-525920/
Old 05-07-10, 01:45 PM
  #34  
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Here is the pic:


I'll probably fab up something similar.
Regards,
crispy
Old 05-07-10, 01:50 PM
  #35  
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Originally Posted by Fritz Flynn
where this particular body diffuser excells is picking up rocks so you'll see some added weight to help with some rear traction
No...see you have it all wrong.

As the mass over the rear of the car from fuel consumption drops over the course of a track session the pickup of rocks and track rubber helps offset this loss which equates to more stable rear handling over the full course of your time on track!



Crispy
Old 05-07-10, 02:08 PM
  #36  
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Originally Posted by CrispyRX7
No...see you have it all wrong.

As the mass over the rear of the car from fuel consumption drops over the course of a track session the pickup of rocks and track rubber helps offset this loss which equates to more stable rear handling over the full course of your time on track!



Crispy


The tire liner thing is genius but I'm not so sure a cut up piece of front fender liner is going to fly on Crispy's little lady that's one high maint. bitch right there

I can just see her now, you're back there with that cut up piece of plastic and she tilts the front and looks back at ya "I could spit oil on you again you know"
Old 05-07-10, 08:37 PM
  #37  
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Originally Posted by moosejaw
can you give a measurement where the cutout for the exhaust is
I wonder if it will fit my 4" exhaust?
I measured...it's pretty much spot on 10" wide where the muffler section is.
HTH,
crispy
Old 05-07-10, 09:23 PM
  #38  
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where did you get those CF fenders?
Old 05-07-10, 11:38 PM
  #39  
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They were one-offs made by Shine. Another customer had them made and then decided he didn't want them. Ken offered them up to me so I bought them. Right time and the right place...lucky me I guess.

Lets hope they fit!

Crispy
Old 05-09-10, 12:07 PM
  #40  
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damn... I want one bad after looking those sexy pictures. hey Ken... offer me some deal ;-)
Old 05-15-10, 04:56 PM
  #41  
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Question, on your rear quarter panels. Did your diffuser bow out really bad? My passenger side isn't that bad but my drivers side bows out really really bad.

What did you do? 3m tape?
Old 05-15-10, 07:51 PM
  #42  
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Originally Posted by Viking War Hammer
Question, on your rear quarter panels. Did your diffuser bow out really bad? My passenger side isn't that bad but my drivers side bows out really really bad.

What did you do? 3m tape?
Nope.

And Yes. But I want to find some stronger doubled sided tape. I'm not happy with how well the generic double sided stuff is holding.

The OEM doubled sided stuff for the mudguards was awesome...anyone know where to get some of that in bulk?

Regards,
Crispy
Old 05-15-10, 07:54 PM
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Hmm, well I used the 3m stuff on both sides. It brought both sides in except the nasty part. I took your advice and used black silicone to fill the gap. Hmm
Old 05-16-10, 01:09 PM
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very nice improvement, always been a fan of the re style CF body mouldings
Old 05-17-10, 03:44 PM
  #45  
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do you have pics of how you cut the mudguards to sit so flush
Old 05-20-10, 05:53 PM
  #46  
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Thanks Crispy, for the great pics on fitment...this is going to come in handy soon!
Old 05-21-10, 02:08 PM
  #47  
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Can you give me the specs on your wheels?
Old 05-21-10, 03:03 PM
  #48  
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His wheels are Kinesis K58R's 18x10 all around +50 I believe...
Old 05-24-10, 04:13 AM
  #49  
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love those fenders!
Old 05-24-10, 07:39 AM
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Originally Posted by KaiFD3S
His wheels are Kinesis K58R's 18x10 all around +50 I believe...
+1

Crispy


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