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 Post subject: Gas Troubles
PostPosted: Wed Jun 28, 2017 11:27 am 
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4 BBL ''Hyper-Pak''

Joined: Fri Nov 06, 2009 2:05 pm
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Location: Aberdeen, NJ
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I have a 1966 Plymouth Barracuda. When I go to get gas, the pump does not "click" off, or even if it does, it is not before I get a hand and leg full of gas shooting out of the side of the car. If I fill up and I park on a side of street that tips the car toward the gas cap, gas leaks out of the side of the car. So, is this a problem that is unique to me and is something wrong with my car, or is this a design flaw. In either case, has anyone found a workable solution?

Gas Logged,
Eugene


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 Post subject:
PostPosted: Wed Jun 28, 2017 1:38 pm 
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Turbo Slant 6
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Joined: Wed Apr 30, 2003 6:43 pm
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It wasn't a design flaw in the '60s, but became one when the vapor recovery style nozzles became mandated.

You can minimize the problem by latching the nozzle as far out of the filler neck as you can, or eliminate it by forcing the nozzle as far into the neck as you can for the automatic shut-off.

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 Post subject:
PostPosted: Wed Jun 28, 2017 2:08 pm 
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Turbo EFI
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Location: North Georgia
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Agree with the above. I just hold the handle like we had to do in the 70s.

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 Post subject:
PostPosted: Wed Jun 28, 2017 3:02 pm 
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Supercharged
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Location: Fircrest, WA
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I have to do the same kind of handle dance when I fill up my 76 D100. Like everybody said- this is a function of the vapor recovery nozzles now in use on fuel pumps. I have noticed that some types are worse than others.


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 Post subject:
PostPosted: Wed Jun 28, 2017 4:15 pm 
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My 65 Valaint was terrible for freeking out gas jockeys with geysers of fuel spewing all over the pump.....<barf.....whooose.....barf>

If it wasn t fuel it might be funny.

My Desoto, however ,will take fuel as fast as you can add it ,,,,, shuts off when full. No spillage ever. Forget vapor recovery though.

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 Post subject:
PostPosted: Thu Jun 29, 2017 7:55 am 
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Turbo EFI
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Location: Lubbock, Texas
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It's not a flaw - it's a feature! :wink:

OK, maybe not.

Here's ONE APPROACH to reducing the splash. It helps, but doesn't eliminate the problems. Basically, I put an unleaded fuel restrictor in the fuel filler of my '64 Valiant.

I still try to estimate how much fuel is going in, and manually operate the pump for the last bit.

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 Post subject:
PostPosted: Thu Jun 29, 2017 10:20 am 
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EFI Slant 6
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coconuteater64 wrote:
Agree with the above. I just hold the handle like we had to do in the 70s.


That's the way it's supposed to be done. Why do you think they call them a "Dead Man's" control?
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 Post subject:
PostPosted: Thu Jun 29, 2017 12:39 pm 
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4 BBL ''Hyper-Pak''
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Joined: Thu Jun 11, 2015 3:11 pm
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Location: Phx AZ
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Could be oxygenated fuel foaming like a soda fountain , causing backup through filler neck. A slower fill rate may help reduce bubble up.
A full tank with car slanted toward filler neck could cause gas to block any venting from tank allowing the air pocket in the tank to expand pushing fuel up the neck to leak out past the gas cap.


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 Post subject:
PostPosted: Fri Jun 30, 2017 8:52 am 
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Supercharged
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Joined: Sat Feb 16, 2008 1:25 pm
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Location: Downeast Maine
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In Maine we don't have vapor recovery corrugated rubbers stuck on end of dispenser nozzle for safe pumping (take it anyway you want dear reader LOL), and my Dart still will puke fuel once tank is full. I just get my ear close to filler pipe when I know tank is nearing full. One can here the filler pipe filling, and shut off dispenser before the big puke takes place.

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 Post subject:
PostPosted: Fri Jun 30, 2017 9:07 am 
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.....or get an earful.


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 Post subject:
PostPosted: Sun Jul 30, 2017 2:20 am 
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4 BBL ''Hyper-Pak''

Joined: Tue Apr 18, 2017 7:53 pm
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Location: PA
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I once had a Ford that had a venting problem & wile I know it's a different issue then yours , I kept away from some stations wile others seemed to allow a safer flow .
I can say for sure some station pump's are power houses
wile some are more sensitive .
This advice might not work, - out and about -
but in your home town you can figure who's got the most mellow pump .

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 Post subject:
PostPosted: Sun Jul 30, 2017 7:46 am 
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Supercharged
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Joined: Sat Feb 16, 2008 1:25 pm
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Location: Downeast Maine
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Quote:
but in your home town you can figure who's got the most mellow pump .


Good advice, look for a station that has not changed its filters for a month of blue-moons insuring long sloooow fill-ups.

Years ago I had Suburban with 42 gallon tank, and a gas card that matched the slowest pump in my small town because of its clogged fuel filter. Result was a ten minute or longer fill-up at the local station, or just enough fuel pumped to get me to a much quicker fill at an out of town station often at a much lower price per gallon. Got to love US boarder towns competing for Canadian fuel sales; good deal for our friends across the river, bad deal for locals 100 miles from distribution tank farm at end of supply line.

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