Charcoal system, Do I need it? |
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Charcoal system, Do I need it? |
914 RZ-1 |
Aug 20 2017, 02:27 PM
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#1
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Porsche Padawan Group: Members Posts: 683 Joined: 17-December 14 From: Santa Clarita, CA Member No.: 18,230 Region Association: Southern California |
I've just noticed the hoses from the charcoal canister to the engine have been cut (down in the front fender well). Is it necessary to replace these or can I get rid of the canister and hoses? Do I just plug the connections in the fan shroud and air intake if I do get rid of it?
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Mike D. |
Aug 20 2017, 02:46 PM
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#2
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OK, It runs now, and pretty good too! Group: Members Posts: 1,445 Joined: 3-January 03 From: Santa Clarita, Ca Member No.: 85 Region Association: None |
Probably why you smell gasoline all the time (IMG:style_emoticons/default/biggrin.gif)
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914 RZ-1 |
Aug 20 2017, 05:24 PM
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#3
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Porsche Padawan Group: Members Posts: 683 Joined: 17-December 14 From: Santa Clarita, CA Member No.: 18,230 Region Association: Southern California |
After doing a bit of research it seems the canister keeps the gas smell out. So I think I will keep it. But I need to fix the lines.
Anyone got a source for the 12mm plastic line that goes along the rocker panel into the engine compartment? Couldn't find it at pelican. Could I just use fuel line? |
VaccaRabite |
Aug 20 2017, 05:44 PM
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#4
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En Garde! Group: Admin Posts: 13,443 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
Do you need it? No. Do you want it? Yes.
Zach |
mgp4591 |
Aug 20 2017, 05:49 PM
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#5
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914 Guru Group: Members Posts: 5,372 Joined: 1-August 12 From: Salt Lake City Ut Member No.: 14,748 Region Association: Intermountain Region |
After doing a bit of research it seems the canister keeps the gas smell out. So I think I will keep it. But I need to fix the lines. Anyone got a source for the 12mm plastic line that goes along the rocker panel into the engine compartment? Couldn't find it at pelican. Could I just use fuel line? Fuel lines will work just fine. |
Tjmrfe |
Aug 20 2017, 06:02 PM
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#6
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NON IMPEDING RATIONE COGITATIONIS Group: Members Posts: 132 Joined: 10-April 15 From: Cornwall on Hudson, New York Member No.: 18,612 Region Association: North East States |
After doing a bit of research it seems the canister keeps the gas smell out. So I think I will keep it. But I need to fix the lines. Anyone got a source for the 12mm plastic line that goes along the rocker panel into the engine compartment? Couldn't find it at pelican. Could I just use fuel line? Yes, I've replaced mine with fuel lines... |
JeffBowlsby |
Aug 20 2017, 06:46 PM
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#7
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914 Wiring Harnesses Group: Members Posts: 8,505 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None |
Try McMaster Carr
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mepstein |
Aug 20 2017, 07:17 PM
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#8
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914-6 GT in waiting Group: Members Posts: 19,271 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
Vacuum lines
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Optimusglen |
Aug 20 2017, 07:53 PM
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#9
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Senior Member Group: Members Posts: 908 Joined: 26-February 16 From: Minneapolis Member No.: 19,709 Region Association: Upper MidWest |
More necessary with a fuel system that has a feed and a return like stock. If you swap to carbs and cap the return there's less fuel churn and less fumes. I deleted mine and haven't noticed a gas smell once.
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914 RZ-1 |
Aug 20 2017, 09:12 PM
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#10
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Porsche Padawan Group: Members Posts: 683 Joined: 17-December 14 From: Santa Clarita, CA Member No.: 18,230 Region Association: Southern California |
Try McMaster Carr Like this: https://www.mcmaster.com/#standard-plastic-...tubing/=19142pq There's a whole bunch of hose on the site. I picked fuel hose and just looked for something as close to 12mm [0.472"] ID as possible. That's either 7/16" (.4375) or 12/32" (0.468"). My FLAPS website didn't show the hose they sell by the foot. I'll have to go in. Problem is I need about 6-7 meters of this stuff, so I hope they have enough. Anybody use the plastic tubing that can be had at Home Depot/Lowes? It's just fuel vapor (no gas); does the tubing need to be anything special, or will PVC work just fine? |
SirAndy |
Aug 20 2017, 09:26 PM
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#11
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Resident German Group: Admin Posts: 41,636 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
can I get rid of the canister and hoses? Do you like the smell of gasoline in the morning? (IMG:style_emoticons/default/blink.gif) I removed mine some 12 years ago and that was one of the worst decisions i have made with that car to date. It's on my list of things to fix ... (IMG:style_emoticons/default/smash.gif) |
pete000 |
Aug 20 2017, 10:38 PM
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#12
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Senior Member Group: Members Posts: 1,885 Joined: 23-August 10 From: Bradenton Florida Member No.: 12,094 Region Association: South East States |
I think the Euro spec cars didnt run them?
My wife hates the smell of old german cars so I keep mine in to reduce the fuel smell. No benefit to remove it. |
GeorgeRud |
Aug 21 2017, 09:41 AM
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#13
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Advanced Member Group: Members Posts: 3,725 Joined: 27-July 05 From: Chicagoland Member No.: 4,482 Region Association: Upper MidWest |
No benefit to removing them so why not minimize the gas smell? With all the modern fuel injected cars, folks have forgotten what carbs used to smell like. Modern ethanol laced fuels also contribute more smell due to their higher vapor pressure and lower boiling points.
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SirAndy |
Aug 21 2017, 10:56 AM
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#14
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Resident German Group: Admin Posts: 41,636 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
With all the modern fuel injected cars, folks have forgotten what carbs used to smell like. I have modern fuel injection and i get *lots* of gasoline smell without the charcoal canister system. The smell comes from the tank overflow since that is where i routed the evap hose into when i removed the canister. Anything over 1/2 tank of gas and you feel like you're sniffing gas straight out of the nozzle. (IMG:style_emoticons/default/icon8.gif) |
mepstein |
Aug 21 2017, 11:07 AM
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#15
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914-6 GT in waiting Group: Members Posts: 19,271 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
With all the modern fuel injected cars, folks have forgotten what carbs used to smell like. I have modern fuel injection and i get *lots* of gasoline smell without the charcoal canister system. The smell comes from the tank overflow since that is where i routed the evap hose into when i removed the canister. Anything over 1/2 tank of gas and you feel like you're sniffing gas straight out of the nozzle. (IMG:style_emoticons/default/icon8.gif) Andy - just say the word and I'll send you parts. (IMG:style_emoticons/default/beerchug.gif) |
Mark Henry |
Aug 21 2017, 11:24 AM
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#16
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
How would you run it to a rain hat weber /6, '74 conversion?
I have it plugged right now and this has got me thinking, but I'd have to relocate the canister. |
SirAndy |
Aug 21 2017, 11:40 AM
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#17
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Resident German Group: Admin Posts: 41,636 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
How would you run it to a rain hat weber /6, '74 conversion? I have it plugged right now and this has got me thinking, but I'd have to relocate the canister. All you need is pressure which you should be able to get from the fan shroud on a /6 and then route the return to one of your rain hats. There should be enough suction (even at idle) to suck in the fumes and burn them without generating more fuel smell in the engine compartment. I've been thinking about doing exactly that and routing the return into the K&N air filter on my FI intake. (IMG:style_emoticons/default/smile.gif) |
DRPHIL914 |
Aug 21 2017, 11:46 AM
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#18
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Dr. Phil Group: Members Posts: 5,766 Joined: 9-December 09 From: Bluffton, SC Member No.: 11,106 Region Association: South East States |
I have not had fumes ever since making sure the vent lines were clear and I refilled the canister with the new activated charcoal.
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Mark Henry |
Aug 21 2017, 12:56 PM
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#19
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
How would you run it to a rain hat weber /6, '74 conversion? I have it plugged right now and this has got me thinking, but I'd have to relocate the canister. All you need is pressure which you should be able to get from the fan shroud on a /6 and then route the return to one of your rain hats. There should be enough suction (even at idle) to suck in the fumes and burn them without generating more fuel smell in the engine compartment. I've been thinking about doing exactly that and routing the return into the K&N air filter on my FI intake. (IMG:style_emoticons/default/smile.gif) Sounds easy enough, To do list...it's always one line scratched off, two more lines added... (IMG:style_emoticons/default/huh.gif) (IMG:style_emoticons/default/rolleyes.gif) |
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