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Catch Can Question

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Old Apr 3, 2007 | 11:45 AM
  #1  
GuitarJunki17's Avatar
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From: Hamilton
Car: 1990 IROCZ Camaro
Engine: 350 4bbl, 200cc Heads, 270hr Cam
Transmission: 700R4 w/ Trans-Go shift kit.
Axle/Gears: GM 10 bolt Posi
Catch Can Question

Looking for a cheap catch can to hide away in front of the radiator and get rid of the ugly stock overflow tank.

What is stopping THIS catch can from recirculating? Seems that the fluid could simply be sucked back from one of the fittings.

Compared to THIS. They look like they operate exactly the same, yet one is recirculating and one is not?

Basically I want something that will act JUST like the stock overflow tank, not something that will just catch the fluid and have it sit there till I drain it myself....its a daily driver.
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Old Apr 3, 2007 | 06:01 PM
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From: Hamilton
Car: 1990 IROCZ Camaro
Engine: 350 4bbl, 200cc Heads, 270hr Cam
Transmission: 700R4 w/ Trans-Go shift kit.
Axle/Gears: GM 10 bolt Posi
Re: Catch Can Question

Never mind, I went with the one from JEGs anyhow
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Old Apr 3, 2007 | 09:53 PM
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Car: Pair of 92 Z28s
Re: Catch Can Question

I did also. When i first mounted it i forgot about the recirculating part. So i just mounted it upsidedown and it works fine. Only thing, there is a small breather hole drilled into where the fitting where the hose goes. I plugged it with RTV, and now i use the drain petcock to vent.
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Old Apr 3, 2007 | 10:04 PM
  #4  
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Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
Re: Catch Can Question

you dont have to have one at all, just a longer hose down along the radiator enough to clear past the bottom of the rad support a little so when it ever vents then it will do so under the car

good luck
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Old Apr 3, 2007 | 10:06 PM
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From: Northern, VA
Car: Pair of 92 Z28s
Re: Catch Can Question

no catch can or no vent...?
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Old Apr 3, 2007 | 10:32 PM
  #6  
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From: Hamilton
Car: 1990 IROCZ Camaro
Engine: 350 4bbl, 200cc Heads, 270hr Cam
Transmission: 700R4 w/ Trans-Go shift kit.
Axle/Gears: GM 10 bolt Posi
Re: Catch Can Question

Originally Posted by Randy82WS7
you dont have to have one at all, just a longer hose down along the radiator enough to clear past the bottom of the rad support a little so when it ever vents then it will do so under the car

good luck
Ummm...yeahhhh, see the reason I am getting a catch can is because I did this when I did the carb swap, and everytime I shut the car off after more than 20 minutes of running, it "vents" all over my driveway, causing me to have to refill it all the time.

Steve-0, which way did you mount it, in relation to the picture on JEGs website? You have me a tad confused.
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Old Apr 3, 2007 | 11:07 PM
  #7  
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From: Northern, VA
Car: Pair of 92 Z28s
Re: Catch Can Question

Flip it around, so the hose is coming off from the bottom.

Side note though, i love this jug, its completely hidden and works like stock. I will grab some pictures of it installed when i get my car this weekend.
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Old Apr 4, 2007 | 09:20 AM
  #8  
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From: Hamilton
Car: 1990 IROCZ Camaro
Engine: 350 4bbl, 200cc Heads, 270hr Cam
Transmission: 700R4 w/ Trans-Go shift kit.
Axle/Gears: GM 10 bolt Posi
Re: Catch Can Question

Why couldn't you just keep it the way it is and attach a hose to the bottom?

Oh and does it come with mounting hardware? If not, I can just fab up my own.
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Old Apr 4, 2007 | 04:38 PM
  #9  
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From: Northern, VA
Car: Pair of 92 Z28s
Re: Catch Can Question

Because one is a hose fitting the other fitting is a drain valve petcock. No mounting hardware came with mine. I think the bolt hole sizes were 3/8 by 16, i had some laying around.
----------
My bad...i just looked at your link i got the normal catch can not the recirculating one that you posted.

http://www.jegs.com/webapp/wcs/store...46748_-1_10127

Last edited by Stevo; Apr 4, 2007 at 04:42 PM. Reason: Automerged Doublepost
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Old Apr 4, 2007 | 04:50 PM
  #10  
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From: Hamilton
Car: 1990 IROCZ Camaro
Engine: 350 4bbl, 200cc Heads, 270hr Cam
Transmission: 700R4 w/ Trans-Go shift kit.
Axle/Gears: GM 10 bolt Posi
Re: Catch Can Question

Ah alright, makes sense now.
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Old Apr 5, 2007 | 12:19 AM
  #11  
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From: Indiana
Car: 91 Camaro
Engine: 191 V6
Transmission: 4L60
Axle/Gears: 3.23
Re: Catch Can Question

[QUOTE=GuitarJunki17;3290448]Ummm...yeahhhh, see the reason I am getting a catch can is because I did this when I did the carb swap, and everytime I shut the car off after more than 20 minutes of running, it "vents" all over my driveway, causing me to have to refill it all the time.
QUOTE]

When you fill the radiator to the top it will vent as it heats up. This is normal, and when it heats up again the radiator will be full. Full cold is overfilled hot. It used to be this way before the overflow bottles became standard.
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Old Apr 5, 2007 | 12:28 AM
  #12  
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From: Indiana
Car: 91 Camaro
Engine: 191 V6
Transmission: 4L60
Axle/Gears: 3.23
Re: Catch Can Question

[QUOTE=Ice Fisherman;3291704]
Originally Posted by GuitarJunki17
Ummm...yeahhhh, see the reason I am getting a catch can is because I did this when I did the carb swap, and everytime I shut the car off after more than 20 minutes of running, it "vents" all over my driveway, causing me to have to refill it all the time.
QUOTE]

When you fill the radiator to the top it will vent as it heats up. This is normal, and when it heats up again the radiator will be full. Full cold is overfilled hot. It used to be this way before the overflow bottles became standard.
Is your cooling system pressurizing? It should be dripping out as it warms up, not when it shuts off. I wonder if your radiator cap is bad.
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Old Apr 5, 2007 | 09:37 AM
  #13  
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From: Hamilton
Car: 1990 IROCZ Camaro
Engine: 350 4bbl, 200cc Heads, 270hr Cam
Transmission: 700R4 w/ Trans-Go shift kit.
Axle/Gears: GM 10 bolt Posi
Re: Catch Can Question

Na it's a new cap. The fact that it was overflowing just made me uneasy, and I still have to get a temp sensor back on the intake because I have no clue as to how hot she is running.

I am in the process of tuning the carburetor, so alot of the running of the car is being done at idle in park...no wind blowing through the radiator. Now, while I have the fan rigged up to come on manually, it doesnt keep it cool on a hot day like last weekend (approaching 80*), also, it is just one fan, I bought the car and found out later that one fan was missing. Thinking of doing the 3.8 SHO fan swap.
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