Rear drag. - ModernCamaro.com - 5th Generation Camaro Enthusiasts
Drag Racing Getting your 5th Gen on the dragstrip - post results here!
STREET RACING CONTENT IS PROHIBITED

Reply
 
LinkBack Thread Tools
post #1 of 21 Old 12-02-2010, 06:06 AM Thread Starter
Senior Member
 
Rodimus Prime's Avatar
 
Join Date: Jul 2009
Posts: 589
 
Rear drag.

I couldnt help but notice how when you remove the stock mufflers, the underside of the camaro looks like a superdome designed to cause as much drag as possible at the top end. Which is why I think its vented at the top, to help combat rear drag.




My plan is to cut an aluminum sheet to cover that area up to the rear inner wheel liners. Ive heard of the import guys doing this before and actually gaining a 1/10 or so. Anyone here know anything about this?

You have been banned for the following reason:
No reason was specified.
Date the ban will be lifted: Never
The other websites awsome excuse to ban me.

Username: Rodimus Prime Password: Rebecca1
Rodimus Prime is offline  
Sponsored Links
Advertisement
 
post #2 of 21 Old 12-02-2010, 09:04 AM
Veteran Member
 
RedJewel2SS's Avatar
 
Join Date: Jul 2009
Location: Houston, Texas
Posts: 4,449
 
that grill looking thing at the top of the black valance is not vented. its just for aesthetics

April 2010 Member/Car of the Month

Gone but not Forgotten!
RedJewel2SS is offline  
post #3 of 21 Old 12-02-2010, 09:17 AM Thread Starter
Senior Member
 
Rodimus Prime's Avatar
 
Join Date: Jul 2009
Posts: 589
 
Quote:
Originally Posted by RedJewel2SS View Post
that grill looking thing at the top of the black valance is not vented. its just for aesthetics
Even worse then. LOL. I'll probably start working on a design this weekend.

You have been banned for the following reason:
No reason was specified.
Date the ban will be lifted: Never
The other websites awsome excuse to ban me.

Username: Rodimus Prime Password: Rebecca1
Rodimus Prime is offline  
 
post #4 of 21 Old 12-02-2010, 09:24 AM
Veteran Member
 
Join Date: Nov 2009
Posts: 1,078
 
Ever since I switched my exhaust to Flowmaster I have been thinking the same thing, but I am gonna wait for something to come out to fix the problem.
Swissbliss is offline  
post #5 of 21 Old 12-02-2010, 06:19 PM
MODERATOR
 
54inches's Avatar
 
Join Date: Dec 2006
Location: Dirty Bay, Texas
Posts: 8,984
  
There is a ton of turbulent drag under most production cars. Front splitters and lowering the cars as much as possible helps with the drag.

What you are describing is a bell-ypan. To gain the full affect you would really need to do the whole car. I think a teflon/plastic type material would be the best.

I studied Ground based aerodynamics while I was going after my engineering degree; some of the best reading I have ever done. Extremely interesting.

If you are after getting the most out of your car at the track, then do it. You should create brackets the allow you to remove the 3 panels with dzus fasteners. One in front of the front suspension, one between the front suspension and the rear and one behind the rear suspension.

Done right, it can be quite labor intensive and quite expensive. I have been wanting to do one for years.

2005 CTSV BLACK LS7 Clutch/Flywheel/Slave, Tick Speed Bleeder, Tilton Clutch MC, RevShift Bushings, Domestic V8 Solutions (shifter, 8.8 Diff conversion, srut tower braces, sub-frame connectors), SLP cats, no cags, xpipe, bullet mufflers, Volante, iPod dock, G-force tune; 379hp 381tq.

Killing 5th gens like it is my job.
54inches is offline  
post #6 of 21 Old 12-02-2010, 09:50 PM Thread Starter
Senior Member
 
Rodimus Prime's Avatar
 
Join Date: Jul 2009
Posts: 589
 
I would love to do the whole car. But Im just too lazy to do that. Its going to be tricky to do just the rear though, its going to be some angles that are going to be a pain.

You have been banned for the following reason:
No reason was specified.
Date the ban will be lifted: Never
The other websites awsome excuse to ban me.

Username: Rodimus Prime Password: Rebecca1
Rodimus Prime is offline  
post #7 of 21 Old 12-03-2010, 09:30 AM
MODERATOR
 
54inches's Avatar
 
Join Date: Dec 2006
Location: Dirty Bay, Texas
Posts: 8,984
  
I agree, especially with the IRS. There are going to be some vertical componentry that will be needed with venting, so it does not pressure on the top side of the belly-pan and create lift.

2005 CTSV BLACK LS7 Clutch/Flywheel/Slave, Tick Speed Bleeder, Tilton Clutch MC, RevShift Bushings, Domestic V8 Solutions (shifter, 8.8 Diff conversion, srut tower braces, sub-frame connectors), SLP cats, no cags, xpipe, bullet mufflers, Volante, iPod dock, G-force tune; 379hp 381tq.

Killing 5th gens like it is my job.
54inches is offline  
post #8 of 21 Old 12-27-2010, 07:42 PM Thread Starter
Senior Member
 
Rodimus Prime's Avatar
 
Join Date: Jul 2009
Posts: 589
 
If everything goes according to plan I will be tackling this project this weekend....hangover pending.

You have been banned for the following reason:
No reason was specified.
Date the ban will be lifted: Never
The other websites awsome excuse to ban me.

Username: Rodimus Prime Password: Rebecca1
Rodimus Prime is offline  
post #9 of 21 Old 12-31-2010, 05:00 PM Thread Starter
Senior Member
 
Rodimus Prime's Avatar
 
Join Date: Jul 2009
Posts: 589
 
Basic measurements are done and made with a cardboard mock-up. Im using 3 pieces for just the rear area. If Im not too hung over tomorrow I should have this done.

You have been banned for the following reason:
No reason was specified.
Date the ban will be lifted: Never
The other websites awsome excuse to ban me.

Username: Rodimus Prime Password: Rebecca1
Rodimus Prime is offline  
post #10 of 21 Old 12-31-2010, 05:56 PM
Veteran Member
 
TX_SS's Avatar
 
Join Date: Feb 2009
Location: San Antonio, TX
Posts: 2,794
 
Let me know how things go, I've been thinking about doing something like this ever since I did the Texas Mile. Between my spoiler pushing down, and the open area under the rear acting like a parachute, I know I can get way faster if I eliminate some flowing air.

Subscribed....

2SS/RS, CGM, A6, Magnuson TVS2300 Supercharger
My latest dyno: http://www.youtube.com/watch?v=XjrLR0N12B4
TX_SS is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the ModernCamaro.com - 5th Generation Camaro Enthusiasts forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome