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03-08-2015, 11:55 AM
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#1 |
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Registered User
 
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Charcoal Canister Lines
I have searched, looked at pictures online and in the FSM and cannot find a definitive answer.
The engine in my 72 Super is a little Frankensteined. It has a 69 engine with 75 carb. The charcoal canister was not hooked up so I wanted to get it hooked up. One line goes to fuel tank (return?), the other line goes to the PCV valve line and the other line goes to the vacuum port on the carb. Is that correct? I have included pictures. I am most concerned that I do not have it hooked to the right line on the carb. |
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03-08-2015, 12:26 PM
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#2 |
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Senior Member
Join Date: Aug 2014
Location: Sandy, Oregon
Posts: 2,378
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Re: Charcoal Canister Lines
Yes that is the correct routing. If you can see the charcoal canister the lid is actually labeld as to where each of the lines go also.
__________________
My dad always says that HEI distributers are pointless... •1972 Custom/10 Deluxe. My first truck and I've had it since I was 7. Tilt, tach, AM/FM, 350, deep dish rally's, original paint and an increasing amount of NOS jewelry. It's always taking my money.. •1967 c10 with tach, dropped 3/5 on deep dish rally's •1972 Cheyenne Super. Sold |
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03-08-2015, 04:37 PM
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#3 |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
Yeah. I can see it but I don't think mine says. I'll check again. So that port that I am pointing to is the right one? Thanks!
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03-08-2015, 06:59 PM
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#4 |
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The Older Generation
  
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,771
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Re: Charcoal Canister Lines
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You need to remove the canister and shake it. If it doesn't rattle it isn't any good. The charcoal media will clump together and won't filter the vapors like it should. Just a heads up.... LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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03-08-2015, 08:50 PM
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#5 | |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
Quote:
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03-08-2015, 09:11 PM
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#6 |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
Yeah. No noise. Must be a clump! Can you get replacement?
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03-08-2015, 09:43 PM
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#7 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,771
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Re: Charcoal Canister Lines
Quote:
These are older threads so don't know if they are still available but one lists some part numbers and suppliers. http://67-72chevytrucks.com/vboard/s...d.php?t=572954 Here is another one Read the whole thread…. http://67-72chevytrucks.com/vboard/s...d.php?t=569115 LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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03-09-2015, 09:59 AM
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#8 |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
Well I looked in all the threads and cannot find the canister anywhere. The part number on mine is a little different than the ones listed in the above threads (GM part number for 1972 is 7030541. Standard Products part number is CP1045) so I thought I would try that too. The part number on mine is 7030605. It cannot be found either.
I looked in the FSM to see if it could be taken apart (I didn't think it could as it has to be sealed tight), and it only gives directions on how to replace the filter on the bottom of it. Not much help on replacing the actual charcoal with pet supply charcoal..... Has anyone used a "newer" canister from another car/truck? I really don't want to by pass it as it obviously has a purpose! Thanks for your help guys! Randy |
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03-09-2015, 12:59 PM
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#9 |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
After a couple of hits on the work bench and it seems to make a faint sound of "sand" being in there. Is that the sound I am looking for?
At least until I find a replacement?!! |
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03-09-2015, 09:26 PM
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#10 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,771
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Re: Charcoal Canister Lines
Quote:
I don't know enough about them to be much more help.... I'm sure it wouldn't hurt anything to run it for a while. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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03-09-2015, 10:05 PM
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#11 |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
I sure appreciate your help! I'll keep my eye open for one on eBay.
This was a semi helpful thread on another forum. http://www.corvetteforum.com/forums/...or-a-71-a.html |
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03-11-2015, 01:13 PM
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#12 |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
This is not the same, but has the same three outlets. COuld this work if I plug the extras?
http://www.ebay.com/itm/EMISSIONS-VA...80910584&rt=nc |
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03-11-2015, 02:03 PM
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#13 |
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Registered User
Join Date: Oct 2013
Location: Wisconsin
Posts: 162
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Re: Charcoal Canister Lines
Sorry I do not want to hijack the thread, but seeing as how the Charcoal Canister experts are responding...
...a few more newb questions: What is the exact purpose of the charcoal filter? And what's the downside of not using one? Is it simply to control gas fumes? Mine is disconnected from the canister to the carb, but still attached at the other connection, which I believe is coming from the fuel tank, not sure. TIA! -Ed |
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03-11-2015, 02:09 PM
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#14 |
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Registered User
Join Date: Oct 2014
Location: Wichita Kansas
Posts: 73
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Re: Charcoal Canister Lines
Takes gas fumes and puts them back to the carb to be burnt. Also is supposed to control "gassy" smell in and around ur truck. It is an emmisions control device
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03-11-2015, 06:27 PM
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#15 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,771
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Re: Charcoal Canister Lines
Quote:
A lot of people remove them completely. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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03-11-2015, 06:54 PM
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#16 |
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Registered User
Join Date: Sep 2013
Location: anderson, sc
Posts: 647
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Re: Charcoal Canister Lines
Took mine off. Still have it but no smells noticed. Waste of space..
__________________
71 LWB Large Bore 6-71 Blown 383 Stroker 4.11 Motive/EOM Eaton Posi Ported/Polished Carrier 15x8/15x16.5 MT Radials B&M Pro Shifter Truck Name- Spike |
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03-12-2015, 05:26 PM
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#17 |
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Registered User
Join Date: Oct 2013
Location: Wisconsin
Posts: 162
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Re: Charcoal Canister Lines
Thanks for the info!
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