You can smell the gas in my 1958 as soon as I fill her up.Is there a way I can make it better of get rid of gas smell completly ?
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Re: Full tank gas smell
Deb,
These are old cars. As you may know they don't have mostly closed fuel systems as do modern cars but are vented to the open air. If you are not getting the degree of smell when the car is only partially full then I would guess you have a leaking gas tank (very common in old cars with steel tanks) or in the connections of the filler tube to the tank. Most of the leaking tanks I've seen are near the bottom of the tank or by the sending unit. I'd start by a thorough inspection of the tank and its connections. I don't think you can ever totally get rid of the fuel odors from these old cars. My wife named ours sticker and keeps reminding me that she doesn't remember these old cars having so many bad smells when they were new. I'd tell her she has a bad memory but I strive to make peace not war. Let us know what you find.
Wayne -
Re: Full tank gas smell
C-3s are my game Deb, but this is what I'd go after to inspect.
1) Where the tank mounts to the frame.
2) Where the anchoring straps follow around the tank. Do 58s have straps?
3) Weak tank seams.
4) Fuel system connections ie filler necks, over flow lines, fuel lines etc.
If your getting a strong smell of gas, a leak WILL be obvious.
No wet spots on the garage floor huh?
Hope it helps,
Chuck 32205Comment
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Re: Full tank gas smell
There is an earlier post, within the last couple of weeks, that details everything to look for in solid axles when you have problems with gasoline fumes. Do a search and it should show upDick WhittingtonComment
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Re: Full tank gas smell
Deb...just finished a frame off on my 60 everything brank new and I also have the odor of gas but only when the tank is full. I have searched for leaks and loose fittings with none found.Comment
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Re: Full tank gas smell
As others have indicated, it may just be due to the inherent open venting design of the tank. If there is no leak, you might want to check that the top vent hose correctly exits down through and out of the body. Also the cars are infamous for strong gas smells after sharp right-hand turns. That is because of the short filler neck that is barely above the height of a full tank of gas - it can literally weep past the cap. You can first try a cheap fix with a new cap that has a fresh gasket. Another possible solution is to replace the tank with a later design that has baffles inside to help limit sloshing. I believe that the baffle tank was introduced in 1960 and they are widely available as repros.
Or, the obvious and cheapest method...just don't fill the tank! ;-)
Hope this helps.Comment
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Do You Have Correct Gas Cap? *NM*
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Re: Full tank gas smell
Mike, when I restored my 60 I used a new gas tank with the baffles, all new parts for installation and connections. I still can't fill the tank past half full without the awful smell of gas in the passenger compartment. I seem to remember back in 1969, my 62 had the same odor! Having replaced every component of the fuel system during the restoration of the 60 , I think it's just one of those things I will have to learn to live with. Sometimes viewing the glass as half full is not such a bad thing, at least it doesn't stink!:)
DonComment
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Don't worry Don......
there are a lot of people in this world that are running a half tank low.Comment
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