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Evap canister relocation.....

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Old Dec 23, 2024 | 04:31 PM
  #1  
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From: Sacramento Ca
Car: 86 Trans am, 91 Camaro RS
Engine: 355 Sbc, nothin yet
Transmission: 700r4- both
Evap canister relocation.....

So I'm cleaning some things in the engine bay and of course, the evap canister is an eyesore for all of us. In my TA I was able to relocate the canister to the crash bar. But in my camaro, this isn't feasible that I can tell so far. My question is this.... does mounting the canister upside down (under its original home) affect its operation or effectiveness?
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Old Dec 23, 2024 | 07:44 PM
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From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: Evap canister relocation.....

I'm not sure if the Camaros have the same space, but I relocated mine to underneath the tray it normally sits on. All you need to do is extend the wire harness and the vacuum lines.
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Old Dec 23, 2024 | 08:27 PM
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From: Sacramento Ca
Car: 86 Trans am, 91 Camaro RS
Engine: 355 Sbc, nothin yet
Transmission: 700r4- both
Re: Evap canister relocation.....

Do you have a Firebird or a Camaro? I'd have to make a tray for it to sit on under the battery tray. Or I could bolt it to the bottom of the battery tray and let it hang upside down.
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Old Dec 24, 2024 | 07:23 AM
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From: Missouri
Car: 1985 Z28
Engine: 305 LG4
Transmission: T5
Axle/Gears: 3.42
Re: Evap canister relocation.....

Don't mount it upside down it isn't designed for that and will possibly leak charcoal into your intake system. Keep it upright and remount in underneath maybe. My 1987 Camaro has its original mounted under driver side battery tray area. It was designed to be mounted there and has tabs to attach on top of the canister. You could also make your own out of PVC pipe and fittings from Home Depot and make it to mount anywhere.
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Old Dec 24, 2024 | 11:30 AM
  #5  
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From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: Evap canister relocation.....

I have Trans Ams. I had to make my own brackets to mount it.
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Old Dec 24, 2024 | 11:44 AM
  #6  
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From: Sacramento Ca
Car: 86 Trans am, 91 Camaro RS
Engine: 355 Sbc, nothin yet
Transmission: 700r4- both
Re: Evap canister relocation.....

Originally Posted by blacksunshine'91
I have Trans Ams. I had to make my own brackets to mount it.
I did too. Was definitely worth it.
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Old Dec 27, 2024 | 01:52 PM
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From: Austin, TX
Car: 90 Formula / T-tops
Engine: 305 TPI
Transmission: MD8
Re: Evap canister relocation.....

Check out post #8 for photos. I used a repro SLP bracket that was used to relocate the canister when the SLP fresh air box is installed. If one has basic metal fab skills, they could easily make one. the photo shows it mounted on the right side of the car. basically it mounts to the crash bar back side. has a little lip at the bottom that holds the canister, you can see it in photo. then you wrap a big clamp to hold in place, also shown in photo.

https://www.thirdgen.org/forums/tech...ter-purge.html

Last edited by LiquidBlue; Dec 27, 2024 at 01:56 PM.
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Old Dec 28, 2024 | 07:37 PM
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From: Oyth
Car: 89RS vert
Engine: Erod
Transmission: 4L65e
Axle/Gears: BW, 3.27
Re: Evap canister relocation.....

4th gens hide it by the filler neck.

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