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Old 06-06-2015, 04:56 PM   #1
rkintn_68
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new rear tank leaks

My new aluminum gas tank on my truck with v8 350 mechanical fuel pump vapor locked and busted weld in seam of new tank, I think ? Or did the weld just go bad ? just put the new rear tank in and ran truck a few times and pulled back in garage and smelled gas, come to find out gas was spraying out
of seam on tank ...Took cap off tank and and it was under a lot of pressure ...
Did I get a bad tank or did I hook it up wrong ?
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72 GMC K 1500 SWB W/ 68 CHEVY FR/CLIP -- SOLD

70 CHEVY C/10 LWB x 2 ----- SOLD

67 CHEVY SWB IN PROGRESS " ALMOST HEAVEN "

Build thread :

http://67-72chevytrucks.com/vboard/s...15#post6826315
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Old 06-06-2015, 05:46 PM   #2
Fitz
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Re: new rear tank leaks

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Originally Posted by rkintn_68 View Post
My new aluminum gas tank on my truck with v8 350 mechanical fuel pump vapor locked and busted weld in seam of new tank, I think ? Or did the weld just go bad ? just put the new rear tank in and ran truck a few times and pulled back in garage and smelled gas, come to find out gas was spraying out
of seam on tank ...Took cap off tank and and it was under a lot of pressure ...
Did I get a bad tank or did I hook it up wrong ?
Your tank is supposed to be vented to air, preventing any pressure from building up inside. You should begin by checking the vent line....or installing one if it was left off. A one -way check valve in that line will allow air to enter but stop any surge in the tank from spilling gas. Installed backwards and, well, you get the idea!
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Old 06-06-2015, 05:47 PM   #3
cdowns
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Re: new rear tank leaks

You did not install an adequate vent and blew up the tank maybe try agin but do it right the second time
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Old 06-06-2015, 08:33 PM   #4
Fitz
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Re: new rear tank leaks

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Originally Posted by cdowns View Post
You did not install an adequate vent and blew up the tank maybe try agin but do it right the second time
Or not!
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Old 06-07-2015, 05:23 AM   #5
rkintn_68
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Re: new rear tank leaks

I did not do a vent , so that's how stupid I am . ha !!!
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72 GMC K 1500 SWB W/ 68 CHEVY FR/CLIP -- SOLD

70 CHEVY C/10 LWB x 2 ----- SOLD

67 CHEVY SWB IN PROGRESS " ALMOST HEAVEN "

Build thread :

http://67-72chevytrucks.com/vboard/s...15#post6826315
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