DIY Air bridge
Le Mans Master
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St. Jude Donor '13-'14-'15
All the time---Just try to locate the MAF as close to the stock position as possible---Moving it further away from the T-Body or closer to the T-Body will make the MAF read incorrectly and will require re-tuning IF the fuel trims are too far off
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I was thinking on getting an aluminum pipe and making a straight pipe to the throttle body, would that work? Is there any reason the stock and all the after market ones have the shape they do?
Last edited by kboeh34; Jan 2, 2016 at 06:30 PM.
Drifting
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For most power adder applications that do not worry about the cosmetics of the radiator shroud or have a higher rise hood, a more rounder shaped air bridge is utilized. You often see these on Procharger and turbo builds.
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Yes. It is primarily for hood to radiator shroud clearance (somewhat ironic, considering there's a large C5 emblem molded into it). A completely round tube isn't likely going to clear all those parts.
For most power adder applications that do not worry about the cosmetics of the radiator shroud or have a higher rise hood, a more rounder shaped air bridge is utilized. You often see these on Procharger and turbo builds.
For most power adder applications that do not worry about the cosmetics of the radiator shroud or have a higher rise hood, a more rounder shaped air bridge is utilized. You often see these on Procharger and turbo builds.
Le Mans Master
Joined: Aug 2005
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From: CA.
St. Jude Donor '13-'14-'15
I have found that aluminum air bridges tend to hold the heat on the airbridge a long time--So this affects your IAT temp sensor as it is placed either separately in the airbridge or in combination with the MAF sensor--but both in the bridge--Keeping that heat soak on the IAT sensor will make your ECM remove tons of timing from your base timing table--Not uncommon to see IAT temps in the high 130's when the sensor is placed in aluminum-------I always prefer to use a plastic air bridge---As my experience has been that even a black plastic bridge will dissipate the heat soak much quicker---
Le Mans Master
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From: Kelowna BC
Probably the thickness of the factory air bridge? 
Seriously; there's a reason GM made it that way. I'd guess the clearance is the factory bridge plus the hood insulation and maybe 1/2"?
There are tricks to measure in weird places...
Edit; plastic is a better material for this application.
Seriously; there's a reason GM made it that way. I'd guess the clearance is the factory bridge plus the hood insulation and maybe 1/2"?
There are tricks to measure in weird places...
Edit; plastic is a better material for this application.
Last edited by grantv; Jan 2, 2016 at 08:56 PM.
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Probably the thickness of the factory air bridge?
Seriously; there's a reason GM made it that way. I'd guess the clearance is the factory bridge plus the hood insulation and maybe 1/2"?
There are tricks to measure in weird places...
Edit; plastic is a better material for this application.
Seriously; there's a reason GM made it that way. I'd guess the clearance is the factory bridge plus the hood insulation and maybe 1/2"?
There are tricks to measure in weird places...
Edit; plastic is a better material for this application.
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Post up the details and pics of what you try and what problems if any you encounter. 
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Joined: Sep 2015
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Probably the thickness of the factory air bridge?
Seriously; there's a reason GM made it that way. I'd guess the clearance is the factory bridge plus the hood insulation and maybe 1/2"?
There are tricks to measure in weird places...
Edit; plastic is a better material for this application.
Seriously; there's a reason GM made it that way. I'd guess the clearance is the factory bridge plus the hood insulation and maybe 1/2"?
There are tricks to measure in weird places...
Edit; plastic is a better material for this application.
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
Maybe so for some, but I highly doubt they wouldn't use an easy to make round tube if there were room.