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1970 CA emissions gas tank question #1489025 08/22/13 03:51 PM 08/22/13 03:51 PM
Joined: Nov 2006 Posts: 730 Nampa, ID MadMatt OP super stock
MadMatt OP super stock Joined: Nov 2006 Posts: 730 Nampa, ID	I am going to change the gas tank on my '70 Dodge Dart that was originally equipped with the CA emissions package. That means the tank has the 4 hoses on the left side that go...? My car is exempt from smog inspections here. Do I need the 4 hoses or can I just use the standard tank that doesn't have them? Some see the glass as half empty, some see the glass as half full. I just drink straight out of the bottle.

Re: 1970 CA emissions gas tank question [Re: MadMatt] #1489026 08/22/13 03:59 PM 08/22/13 03:59 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	Yes you should have the 4 tubes, they go up to the vent tube in your trunk next to the filler tube. Yes you can use a tank without them but your vapor return line will also need to be eliminated. They are available as a reproduction with the tubes if you want to use them

Re: 1970 CA emissions gas tank question [Re: ScottSmith_Harms] #1489027 08/22/13 04:23 PM 08/22/13 04:23 PM
Joined: Nov 2006 Posts: 730 Nampa, ID MadMatt OP super stock
MadMatt OP super stock Joined: Nov 2006 Posts: 730 Nampa, ID	Quote: Yes you should have the 4 tubes, they go up to the vent tube in your trunk next to the filler tube. Yes you can use a tank without them but your vapor return line will also need to be eliminated. They are available as a reproduction with the tubes if you want to use them I'm getting the new tank to do an in-tank fuel pump for EFI and will be running a return line. Does any of that matter? Is there an advantage to having the vapor return line? Some see the glass as half empty, some see the glass as half full. I just drink straight out of the bottle.

Re: 1970 CA emissions gas tank question [Re: MadMatt] #1489028 08/23/13 12:32 AM 08/23/13 12:32 AM
Joined: Nov 2006 Posts: 730 Nampa, ID MadMatt OP super stock
MadMatt OP super stock Joined: Nov 2006 Posts: 730 Nampa, ID	I was just reading up on the vapor emissions control system on the internet and it appears that at some point there was a line from the tank to a charcoal canister, and/or the PCV valve. All that stuff is long gone. So, anyone know what my options would be now? Some see the glass as half empty, some see the glass as half full. I just drink straight out of the bottle.

Re: 1970 CA emissions gas tank question [Re: MadMatt] #1489029 08/23/13 12:37 AM 08/23/13 12:37 AM
Joined: Jan 2003 Posts: 29,653 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,653 Hamtramck, PA	No charcoal canister for the 1970 model year, that came to be for the 1971 model year. Some 1970 model year N95 related info at http://www.hamtramck-historical.com/images/serviceHighlights/70%20sh%20125.jpg & http://www.hamtramck-historical.com/images/serviceHighlights/70%20sh%20126.jpg & http://www.hamtramck-historical.com/images/serviceHighlights/70%20sh%20127.jpg

Re: 1970 CA emissions gas tank question [Re: Alaskan_TA] #1489030 08/23/13 09:07 AM 08/23/13 09:07 AM
Joined: Feb 2003 Posts: 518 COLLINGWOOD, ONT 71_deputy mopar
71_deputy mopar Joined: Feb 2003 Posts: 518 COLLINGWOOD, ONT	you can cheat a wee bit- use the old return line for the efi return- but at the tank- use one of the lines for the efi return- cap off the rest. use a gas cap that has a vent or you will cause the tank to collaspe due to the canning effect.

Re: 1970 CA emissions gas tank question [Re: Alaskan_TA] #1489031 08/23/13 11:45 AM 08/23/13 11:45 AM
Joined: Nov 2006 Posts: 730 Nampa, ID MadMatt OP super stock
MadMatt OP super stock Joined: Nov 2006 Posts: 730 Nampa, ID	Quote: No charcoal canister for the 1970 model year, that came to be for the 1971 model year. Some 1970 model year N95 related info at http://www.hamtramck-historical.com/images/serviceHighlights/70%20sh%20125.jpg & http://www.hamtramck-historical.com/images/serviceHighlights/70%20sh%20126.jpg & http://www.hamtramck-historical.com/images/serviceHighlights/70%20sh%20127.jpg That is excellent information!! Thank you very much! Some see the glass as half empty, some see the glass as half full. I just drink straight out of the bottle.

Re: 1970 CA emissions gas tank question [Re: 71_deputy] #1489032 08/23/13 11:51 AM 08/23/13 11:51 AM
Joined: Nov 2006 Posts: 730 Nampa, ID MadMatt OP super stock
MadMatt OP super stock Joined: Nov 2006 Posts: 730 Nampa, ID	Quote: you can cheat a wee bit- use the old return line for the efi return- but at the tank- use one of the lines for the efi return- cap off the rest. use a gas cap that has a vent or you will cause the tank to collaspe due to the canning effect. Sounds like a good idea except I don't really want to change the gas cap as it is kind of a critical part of the car's appearance. 7824667-1970_dodge_dart_2_1-568-426.jpg (23 downloads) Some see the glass as half empty, some see the glass as half full. I just drink straight out of the bottle.

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