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09-30-2013, 10:04 PM | #1 |
Registered User
Join Date: Mar 2011
Location: Westchester, NY
Posts: 394
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This is really weird - Please advise
Hello all, I have a 58 and I put a brand new gas tank in it, with a new sending unit and new filler unit, hoses, clamps etc. I usually dont put alot of gas in the tank, i put 5-6 gallons in, the gas gauge reads a little over 1/4 tank (I think its an 18 gallon tank, no?). Well I went to put about 10 gallons in the tank twice now over the past week and gas starts coming out as Im pumping gas. It seems like the filler is not adequately venting, although I have the vent hose hooked up. THis has happened twice. Can someone tell me how to troubleshoot this? ALso please confirm the stock tank is 18 gallons. I cant seem to get more than 12 or so in.
THanks! |
09-30-2013, 11:52 PM | #2 |
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Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,575
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Re: This is really weird - Please advise
It might be as simple as the gas pump at the station you go to filling the tank faster than it will take it. The big stainless tank I have in the bed of my 71 GMC that holds 35 gallons is that way. I can go to one station with rather slow pumps and it works fine but at the big new station with the new high flow pumps it's a pain to fill it and I usually end up holding the nozzle upside down to get it to take gas.
The vendor who sold you the new tank should be able to tell you the volume of it.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
10-01-2013, 05:28 AM | #3 |
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Join Date: Apr 2012
Location: Gilbert, Arizona
Posts: 454
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Re: This is really weird - Please advise
check to see if the vent hose 'dips' down anywhere so that it is trapping liquid. Air can't vent through liquid. Also look for kinks in vent hose or even some debris inside the hose.
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10-01-2013, 07:19 AM | #4 |
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Join Date: Mar 2012
Location: Lakes Region NH
Posts: 3,187
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Re: This is really weird - Please advise
I've found it helps to twist the handle of the nozzle toward the bed and don't try to fill at full flow. Listen for the sound of the tank getting full so fuel doesn't splash back when the nozzle kicks off.
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10-01-2013, 07:52 PM | #5 |
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Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,575
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Re: This is really weird - Please advise
It looks like the tanks not wanting to take gas fast is a fairly common thing for a number of us.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
10-02-2013, 12:35 AM | #6 |
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Join Date: Apr 2009
Location: Kennewick WA.
Posts: 1,437
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Re: This is really weird - Please advise
I have never had an issue with my 59 unless im getting gas at costco where they have those goofy emission reduction nozzles. Filling every 73-87 chevy ive owned has always been a hassle due to the shape of the filler neck. Newer pumps have more curve to them than the older ones, and could be giving you problems as they do to my 75 and 88.
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10-02-2013, 11:40 AM | #7 |
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Join Date: Jan 2007
Location: tacoma wa.
Posts: 1,037
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Re: This is really weird - Please advise
Thought I was only one with this issue and guess it's one you live with,Bummer!
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10-04-2013, 01:33 PM | #8 |
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Join Date: Apr 2011
Location: Napa California
Posts: 47
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Re: This is really weird - Please advise
I believe the tanks inside the cab are 17 gallons. On my 57 I can never get the tank completely full because of trapped air inside the tank when the truck is sitting on level ground at the gas station. If I bring it home and park it somewhere at an angle with the drivers side (fuel filler side) higher than the passengers side I can get another 3 gallons in it and the gas guage goes to full , otherwise 3/4 of a tank on level ground is the best it will do.
Anyone else have this problem ? Gene |
10-04-2013, 01:44 PM | #9 | |
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Join Date: Sep 2011
Location: South West
Posts: 431
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Re: This is really weird - Please advise
Quote:
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10-04-2013, 04:42 PM | #10 |
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Join Date: Mar 2012
Location: Lakes Region NH
Posts: 3,187
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Re: This is really weird - Please advise
I thought 18 gals but it's been a few years since I checked.
I have no trouble getting the tank to fill. You could try adjusting the float arm slightly so it will read full without the extra three gallons. The worst that will happen is it will read empty early. |
10-04-2013, 07:40 PM | #11 |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,134
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Re: This is really weird - Please advise
Sales data book say 17.5 for in cab gas tank
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10-04-2013, 10:08 PM | #12 |
Senior Member
Join Date: Aug 2010
Location: Shasta Lake, CA.
Posts: 1,619
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Re: This is really weird - Please advise
I have no problem fueling my '56.
But I stopped filling it to the top and parking it because the cold fuel expands and forces its way past the cap . Techron in the gas makes a great paint remover
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Glen & Jane's Rides ‘57 GMC NAPCO Long Bed V8 4 speed Bought 2008 7 other cars & trucks , 5 trailers '56 Chevy Long Bed I6, 4 speed Bought 1990 Sold 8.22.2020 ’56 GMC Suburban Pickup V8, 4 speed Hydramatic Bought 1996 Sold 10.11.2020 My Other Tinkerings http://67-72chevytrucks.com/vboard/s...75#post8967275 |
10-05-2013, 08:40 AM | #13 |
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Join Date: Oct 2010
Location: Ocean Springs, MS
Posts: 1,746
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Re: This is really weird - Please advise
I think it's the ethanol in the gas that makes paint remover. I never had a problem with spilled gas removing paint before they put that stuff in it.
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Gary 1971 Chevrolet C/10 1951 GMC 100 1977 GMC C15 1955 Chevrolet 3100 |
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