Fuel Tank replacement suggestions

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Monte Cristo

Apprentice
Aug 10, 2015
82
30
8
So, I have my original stock gas tank off my '83 MC. The tank was clearly painted black. The filler neck appears to have not been painted. Do I have that right?
 

grandamman

G-Body Guru
Nov 7, 2005
809
415
63
up in the hills
Does anyone have a Spectra tank that doesn't have the splashback issue? If so, when did you purchase it and from where?

Does anyone other than Spectra make a tank for the G body?

I called gastanks.com
Their tanks are Spectra and said they've never heard of the issue.
 

81cutlass

Comic Book Super Hero
Feb 16, 2009
4,645
13,561
113
Western MN
I bought a GN efi spectra tank for my 2+2 and reused the old neck. It works good, like normal.

The neck is soldered on. Find a radiator shop, they can probably do it for you.

I just ordered the GN efi tank through bobs classic chevy on ebay. $84 shipped. Take the old tank out when empty and fill to the top with water with a hose to get rid of all the fumes. Do it a couple times. take a heat gun and heat around the stock tank neck and the solder will start bubbling out. Pull the neck out. Bring to radiator shop, it was like $38 for them to solder mine in. Good fitment, no real problem.
 
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L92 OLDS

Comic Book Super Hero
Mar 30, 2012
2,872
3,050
113
West Michigan
I bought a GN efi spectra tank for my 2+2 and reused the old neck. It works good, like normal.

The neck is soldered on. Find a radiator shop, they can probably do it for you.

I just ordered the GN efi tank through bobs classic chevy on ebay. $84 shipped. Take the old tank out when empty and fill to the top with water with a hose to get rid of all the fumes. Do it a couple times. take a heat gun and heat around the stock tank neck and the solder will start bubbling out. Pull the neck out. Bring to radiator shop, it was like $38 for them to solder mine in. Good fitment, no real problem.

The filler neck on my tank was not soldered. GM used a filled epoxy resin that can be ground out and removed without using heat. I've been using the spectra tank with the factory filler neck for about a year with no issues. I used JB weld to put the factory filler neck in the new tank
 
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