My new custom rear diffuser

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Jan 30, 2008 | 05:20 PM

#91

JL9000

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Joined: Oct 2002

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Quote:

Originally Posted by truong,Jan 30 2008, 01:23 PM

For the many j's racing rear diffuser owners, you all know it picks up an extra 5-9lbs of dirt and rocks

and water.

[QUOTE=HvRRZ,Jan 30 2008, 05:15 PM]

Jan 30, 2008 | 08:05 PM

#92

slackfaster

Joined: Jul 2004

Posts: 1,628

Likes: 1

From: lost angeles

Quote:

Originally Posted by Mr.E.G.,Jan 30 2008, 03:50 PM

...but there is a lot lacking in this design that will keep it from being...

How's that?

If you're referring to the rake angles of his diff, I didn't bring anything up because his vertical rake looks well with-in 7

Jan 30, 2008 | 09:19 PM

#93

truong

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From: Vancouver, BC

Mr. EG & Slack Fast

Please pm me and and point out the flaws, I would love to know where I went wrong with the design, Rather then arguing and defending the design. It is always good to see things from a different perspective

Jan 30, 2008 | 10:50 PM

#94

slackfaster

Joined: Jul 2004

Posts: 1,628

Likes: 1

From: lost angeles

Quote:

Originally Posted by truong,Jan 30 2008, 10:19 PM

... and point out the flaws, I would love to know where I went wrong with the design..

Truong- like others have said - I think your diffuser is quality

The rake angle I mentioned is this --It should be between 7

Jan 31, 2008 | 12:08 AM

#95

truong

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From: Vancouver, BC

[QUOTE=slackfaster,Jan 30 2008, 11:50 PM] Truong- like others have said - I think your diffuser is quality

The rake angle I mentioned is this --It should be between 7

Jan 31, 2008 | 06:51 AM

#96

alejo

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Joined: Aug 2005

Posts: 13,078

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From: SoCal

what about your soon to get overcooked diff? not to mention the fact that the rest of the bottom of the car is not flat...

either way, I think it looks aggressive and cool

Jan 31, 2008 | 07:36 AM

#97

gusbo

Joined: Feb 2007

Posts: 1,373

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From: Poland

I'm a diffuser fan. But this one... too much for me. I hope it works at least...

Jan 31, 2008 | 08:49 AM

#98

AP_ONE

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Joined: Dec 2007

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Quote:

Originally Posted by alejo,Jan 31 2008, 07:51 AM

what about your soon to get overcooked diff? not to mention the fact that the rest of the bottom of the car is not flat...

either way, I think it looks aggressive and cool

overcooked diff,

this made me laugh

Great for a diy!

Jan 31, 2008 | 10:52 AM

#99

sspicollo8

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Joined: Sep 2004

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Quote:

Originally Posted by truong,Jan 31 2008, 04:08 AM

I've been doing more research on downforce, turbulence and so forth
I might go back to the drawing boards for further ideas

If you want a good place to start with learning aero, as well as any other racecar related stuff, here you go. If all you're interested in is aero then you can find better books out there, but this is a good place to start (and end) for most racecar related topics.

http://www.amazon.com/Race-Car-Vehicle-Dyn...6/dp/1560915269

Jan 31, 2008 | 12:45 PM

#100

truong

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From: Vancouver, BC

Quote:

Originally Posted by alejo,Jan 31 2008, 07:51 AM

what about your soon to get overcooked diff? not to mention the fact that the rest of the bottom of the car is not flat...

either way, I think it looks aggressive and cool

The rear diff is not completely blocked off

So I don't see how it will overheat unless I decide to do donuts for an hour

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