can i remove this

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BigMacDave
Posts: 50
Joined: Wed Sep 14, 2016 2:41 pm
Your car is a: 1978 124 Spider
Location: San Antonio, Texas

can i remove this

Post by BigMacDave »

Hello,

The PO has all the tubing removed from this. The wires are still connected but I'm quite sure it isn't doing anything. Can i remove it? Im trying to make sense of all the shady tree mechanic stuff going on and clear out stuff that i can if its dead (splices instead of running a new wire, and all sorts of crazy stuff). Also i have a black large canister kind of below it which also has no tube on it. I would normally think it is a vacuum canister, but the engine runs fine, can i remove it also?

Thank you as always.

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BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: can i remove this

Post by BEEK »

yes. with no hoses connected they do not do anything, They are part of the emissions system
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
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Nanonevol
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Joined: Thu Nov 13, 2014 9:17 am
Your car is a: 1977 Fiat 124 Spider
Location: Medway, Massachusetts

Re: can i remove this

Post by Nanonevol »

You can remove those "thermovalves" I believe they are called. If the "black cannister" you mention is the charcoal cannister you should consider keeping it and hooking it up to the fuel tank and carb. Photo?
1977 Fiat Spider
1985 Jaguar XJ6
1967 Triumph Bonneville (hard-tail chopper)
1966 BSA Lightning
BigMacDave
Posts: 50
Joined: Wed Sep 14, 2016 2:41 pm
Your car is a: 1978 124 Spider
Location: San Antonio, Texas

Re: can i remove this

Post by BigMacDave »

Nanonevol wrote:You can remove those "thermovalves" I believe they are called. If the "black cannister" you mention is the charcoal cannister you should consider keeping it and hooking it up to the fuel tank and carb. Photo?
Ok, removed.

Here is the canister. I put a blue towel where the appears to be a rotten tube that goes to a steel tube. It is broken in i a couple spots. Then in the top left, i didn't get a good shot, i have another tube that goes to a steel line as well. you can see it, its just open to the world. I don't have any other open tubes or pipes that would connect to the top of the cannaster .

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Nanonevol
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Your car is a: 1977 Fiat 124 Spider
Location: Medway, Massachusetts

Re: can i remove this

Post by Nanonevol »

It's a charcoal cannister meant to filter the gasoline fumes from the tank and send them to the carb to burn I believe. Lots of people do remove them and plug up the lines, and your car won't run any better or worse but will pollute the air more. The bottom connection should come from the gas tank and (at least as mine is connected) the top goes to the barb at the air filter and the side goes to the carb itself.
Someone more knowledgeable here should chime in, hopefully.
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1977 Fiat Spider
1985 Jaguar XJ6
1967 Triumph Bonneville (hard-tail chopper)
1966 BSA Lightning
BigMacDave
Posts: 50
Joined: Wed Sep 14, 2016 2:41 pm
Your car is a: 1978 124 Spider
Location: San Antonio, Texas

Re: can i remove this

Post by BigMacDave »

ok, cool. i guess i see whats on the other em before i figure what to do. (dreading getting under car in the 105 heat)

Im from San Antonio, but it doesn't show me as a pin.
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blazingspider
Posts: 173
Joined: Mon Jan 28, 2013 8:44 am
Your car is a: 1977 fiat spider
Location: Nanuet, New York

Re: can i remove this

Post by blazingspider »

The fuel tank vents through the charcoal canister. The hard line with the rotten hose going to the bottom of the canister comes from the tank. If you plug it up and provide no other source for "make up air" then the tank may collapse from the vacuum created when you run the engine and will also prevent fuel from reaching the carb. You can leave that line open to the atmosphere in the engine compartment or leave it connected to the canister; or remove the canister, plug the line and drill a hole in the gas cap.
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