C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

Airbridge question

Thread Tools
 
Search this Thread
 
Old Oct 27, 2009 | 05:31 PM
  #1  
11sec_C5Z51's Avatar
11sec_C5Z51
Thread Starter
Racer
 
Joined: May 2006
Posts: 431
Likes: 0
From: Houston TX
Default Airbridge question

on an NA motor, would a custom cylindrical airbridge outperform the typical non-cylindrical airbridges on the market??
Reply
Old Oct 27, 2009 | 06:16 PM
  #2  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,398
Likes: 1,139
From: Dyer, IN
Default

Originally Posted by 11sec_C5Z51
on an NA motor, would a custom cylindrical airbridge outperform the typical non-cylindrical airbridges on the market??
The claim from most of the air bridge vendors is their design achieves laminar air flow(non-turbulent). The stock accordion air bridge is not smooth inside, so the thought is the air will be more turbulent passing through it. The aftermarket styles are smooth, and while they will be less turbulent than stock, achieving laminar flow of a fluid requires a minimum distance....which is not likely to be achieved in such a short distance that the air travels through the air bridge.

Any differences in flow, as related to the geometry of the air bridge( cylindrical v/s elliptical) would most likely be realized on a flow bench, as opposed to SOTP.
Reply
Old Oct 27, 2009 | 06:18 PM
  #3  
zeevette's Avatar
zeevette
Race Director
 
Joined: Sep 2005
Posts: 11,060
Likes: 291
From: Pasco WA
Default

In other word, no.
Reply
Old Oct 27, 2009 | 07:00 PM
  #4  
11sec_C5Z51's Avatar
11sec_C5Z51
Thread Starter
Racer
 
Joined: May 2006
Posts: 431
Likes: 0
From: Houston TX
Default

So the only reason they use a cylindrical airbridges on boosted applications is because it can hold boost, unlike the the plastic elliptical airbridges that spilt at the seams under boost and not just to increase more air in the airbridge. is this correct??

Last edited by 11sec_C5Z51; Oct 27, 2009 at 07:03 PM.
Reply
Old Oct 27, 2009 | 07:13 PM
  #5  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,398
Likes: 1,139
From: Dyer, IN
Default

Originally Posted by 11sec_C5Z51
So the only reason they use a cylindrical airbridges on boosted applications is because it can hold boost, unlike the the plastic elliptical airbridges that spilt at the seams under boost and not just to increase more air in the airbridge. is this correct??
Yep, the factory ones are not made for boost.
Reply
Old Mar 14, 2010 | 03:01 PM
  #6  
All_Motor_C5LS6's Avatar
All_Motor_C5LS6
Drifting
 
Joined: Jan 2010
Posts: 1,447
Likes: 1
From: Katy TX
Default

I've been looking at adding a 4in cylindrical airbridge (TB to Vararam) also to replace my Vram powerduct.

Last edited by All_Motor_C5LS6; Mar 15, 2010 at 09:31 AM.
Reply
Old Mar 14, 2010 | 03:38 PM
  #7  
Y2Kvert4me's Avatar
Y2Kvert4me
Race Director
 
Joined: Oct 2002
Posts: 16,477
Likes: 26
From: Gone
CI 6-7-8-9-10 Veteran
St. Jude Donor '03
Default

Fluid dynamics says no. If you want to maximize flow around a bend, you have to increase cross sectional area within the bend to allow it to flow as well as what the straight tube is capable of.

In other words, a straight pc. of tube bent into an elbow presents a restriction.

Reply
Old Mar 14, 2010 | 06:43 PM
  #8  
Mtlfusion's Avatar
Mtlfusion
Drifting
10 Year Member
 
Joined: Sep 2009
Posts: 1,936
Likes: 0
Default

So if i have a blackwing, x-pipe and straight exhaust (no lt headers), it is a waste of money to install a VR powerduct?
I'm about to buy one, should I hold out and keep my money for headers?
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-1

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-2

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-3

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-4

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-5

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-6

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-7

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-8

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-9

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
Old Mar 14, 2010 | 11:03 PM
  #9  
MPM IV's Avatar
MPM IV
Drifting
20 Year Member
Veteran: Army
Active Streak: 30 Days
Liked
 
Joined: Apr 2003
Posts: 1,389
Likes: 10
From: Jacksonville FL
Default

Originally Posted by MontrealVette
So if i have a blackwing, x-pipe and straight exhaust (no lt headers), it is a waste of money to install a VR powerduct?
I'm about to buy one, should I hold out and keep my money for headers?
Yes. I'm at 600rwhp on the stock air bridge. I will eventually pick up a carbon fiber one, but only for looks.
Reply
Old Mar 14, 2010 | 11:33 PM
  #10  
Mtlfusion's Avatar
Mtlfusion
Drifting
10 Year Member
 
Joined: Sep 2009
Posts: 1,936
Likes: 0
Default

Thanks for the moneysaving advice!
Reply
Old Mar 15, 2010 | 09:36 AM
  #11  
All_Motor_C5LS6's Avatar
All_Motor_C5LS6
Drifting
 
Joined: Jan 2010
Posts: 1,447
Likes: 1
From: Katy TX
Default

So a TB to IC pipe like this http://www.dragtimes.com/images/6432...t-Corvette.jpg won't add any performance gains over a Vararam power duct, if it were going from the TB to Vararam on an NA setup?
Reply

Get notified of new replies

To Airbridge question





All times are GMT -4. The time now is 06:43 PM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE