Author Topic: Correct replacement gas tank for 66 GS, non AC  (Read 1614 times)

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Offline gs spoken here

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Correct replacement gas tank for 66 GS, non AC
« on: December 01, 2016, 01:27:58 PM »
Looking for correct reproduction gas tank for my 66 GS, hardtop, 4 speed. It has one vent line on the front pass side. Rock Auto shows a Spectra GM37A, with one vent that appears to be in the correct location, but picture may not be that tank. It also does not have a neck. Wondering if anyone makes the correct one with a neck. Thanks in advance, Bill.

Offline GS66

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #1 on: December 01, 2016, 02:29:49 PM »
I got one for an auto 66 GS years back from Tamraz.
« Last Edit: December 06, 2016, 05:44:27 PM by GS66 »
Jim
North Mankato, MN

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Offline 2x4 gransport

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #2 on: December 01, 2016, 06:44:10 PM »
Try auto city classics inc. I think there Spectra tanks also, I got mine from Advance Auto and it came with the filler neck.  :thumbsup:
 Harle
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Offline Rollaround

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #3 on: December 01, 2016, 07:33:47 PM »
Bill I used the GM37 tank in my Special but I used the GM37JFI with the elect fuel pump for fuel injection. I believe the GM37B will fit, it comes with the filler neck. Amazon has the tank with straps and sending unit for $220.00 and free shipping.

 https://www.amazon.com/Spectra-Premium-GM37B-Chevrolet-Chevelle/dp/B000ROO3C0/ref=au_as_r?_encoding=UTF8&Make=Chevrolet%7C47&Model=Chevelle%7C21448&Year=1965%7C1965&ie=UTF8&n=15684181&s=automotive&vehicleId=5&vehicleType=automotive

I would buy from Amazon just for the return policy. The first tank I received from Auto Zone came with the wrong filler neck and had to be returned.   
Kevin
Northwest Ohio
Working the endless restroation.

Offline Rollaround

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #4 on: December 01, 2016, 07:51:24 PM »
After further review the GM37J may be the tank for you, comes with the filler neck.

https://www.amazon.com/Spectra-Premium-GM37J-Buick-Skylark/dp/B000ROK4VO/ref=sr_1_5?s=automotive&ie=UTF8&qid=1480643104&vehicle=1965-45-398-20---29--15366----3616--4-0&sr=1-5&ymm=1965%3Abuick%3Askylark

$162.00 with free shipping for Prime members.
Sorry about the confusion. 
Kevin
Northwest Ohio
Working the endless restroation.

Offline cwmcobra

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #5 on: December 01, 2016, 08:41:01 PM »
Bill,

If the tanks for 65 and 66 are the same, I've just installed a Spectra GM37J in my 65 GS restoration.  It includes the filler neck, fits perfectly and appears to be quality construction.  Bought it online from Advance Auto Parts in February when they had a 20-25% discount going.  At present, they offer a 10% discount with free shipping with a discounted price of $146.  I also bought the Spectra fuel gauge sending unit FG88E from them.

http://shop.advanceautoparts.com/p/spectra-premium-fuel-tank-gm37j/18320682-P?searchTerm=gm37j&zoneAssigned=1&prefZC=68022

http://shop.advanceautoparts.com/p/spectra-premium-sender-includes-fuel-sender-float-and-strainer-fuel-pump-not-included-fg88e/15370122-P?vehicleIdFromReq=-1&isAllVehicle=true&vehicleIdSearch=-1&searchTerm=fg88e&showTitle=

Happy shopping!

Chuck
« Last Edit: December 01, 2016, 08:43:21 PM by cwmcobra »
Steve Shuman's 1965 Skylark GS Convertible: Flame Red/401/4 BBL/Automatic - BCA Archival Preservation
1965 Skylark GS Convertible: Verde Green/401/2x4 BBL/4-speed - AACA First Grand National - AACA National Award - BHA Outstanding GS - BCA Senior Gold
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Offline WkillGS

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #6 on: December 01, 2016, 10:39:11 PM »
The Spectra website shows the correct tank for the 66-67 is GM37A.
The GM37J is listed for the 64-65. I don't know if they are interchangable.

http://www.spectrapremium.com/products/fuel_tank.html

If you  are buying from Advance Auto, make sure you sign in as a Speedperks member and use either the TRT30 or TRT41 discount code for 30 or 40% off!!
The 64-65 GM37J tank is only $113.39......with free shipping!!
Unfortunately,  the 66-67 GM37A tank is $340 with the discount.  :dontknow: It's $167/ $203 from Rockauto/Amazon.

Walt K
Eastern Pa

66 GS Astro Blue/blue 425 auto
66 GS Silver Mist/black 401 4 spd
66 GS Flame Red/black 401 5 spd
66 GS Saddle Mist/black 401 L76 auto
66 Special Flame Red/black 300 5 spd
65 GS vert Verde Green/ Saddle buckets 401 4 spd
79 Turbo Regal

Offline gs spoken here

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #7 on: December 04, 2016, 07:41:12 AM »
Thanks everyone for the input. looking at the 65 and 66 reproduction tanks, the tanks look the same, but the 66 has no neck. This makes me wonder if the 66 neck is different than the 65. I have a used 66 tank and I made a trip to Loren's, for other reasons and he gave me a new reproduction 65 tank to compare to my 66. I will do this and post some info and some pictures, thanks Bill.

Offline gssizzler

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #8 on: December 04, 2016, 03:44:43 PM »
Bill, my experience with the 65 verses 66 is that the filler necks are the difference in the tanks! Got a 66 parts car with a brand new tank in it once and all we had to do is have the filler neck changed to a 65! Worked perfect! Very hard to find someone to sweat in a new filler neck though!

Offline Loren At 65GS

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #9 on: December 04, 2016, 03:55:05 PM »
On a new tank, it is not an issue.  Been there ... done that.

On a used tank, well that can be a different story. lol 

 Loren
65 GS hardtop BCA Senior
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Offline 35chevcoupe

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #10 on: December 04, 2016, 05:03:46 PM »
On a new tank, it is not an issue.  Been there ... done that.

On a used tank, well that can be a different story. lol 

 Loren
Loren , I,ve welded on new and used tanks  .  They say the key is to keep the tank full so theres no air left in them .
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There all projects

Offline Loren At 65GS

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #11 on: December 04, 2016, 05:32:37 PM »
I used to know a guy that wasn't afraid to weld a  full tank.  He also would pipe exhaust fumes into them.   :dontknow:


 Not my idea of living  on the edge. lol


  Loren
65 GS hardtop BCA Senior
 65 GS thin pillar coupe
 65 Skylark coupe v-6
 65 GS hardtop restoration project
 65 Sport Wagon
 70 GS 455 htp / original engine
 94 Roadmaster wagon
 96 Roadmaster wagon- parts car
 63 Riviera

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Offline gs spoken here

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #12 on: December 06, 2016, 06:50:59 AM »
Picture compare of 65 and 66 fuel tanks.
Size the same.
Bottom of the tanks the same
Top of tanks, some slight stamping difference.
Vent, same location and size
Filler neck, 65 is 1 inch longer and maybe slightly different angle.

Looks like I will need to purchase the GM37A and solder the neck in it from my old tank.

Offline WkillGS

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #13 on: December 06, 2016, 11:01:30 AM »
......Looks like I will need to purchase the GM37A and solder the neck in it from my old tank.


Thanks for the pics Bill.

Best price I see for the '66 tank, Spectra GM37A is $148 shipped from Tamraz:
http://www.ebay.com/itm/64-65-Cutlass-66-67-Buick-Skylark-Special-Fuel-Gas-Tank-GM37A-Spectra-Premium-/251640247720?hash=item3a96ed75a8:g:pwEAAOSwxp9W~ACo&vxp=mtr

As I mentioned earlier, the '65 tank Spectra GM37J is $113 shipped from Advance Auto using the TRT30 discount code.
Walt K
Eastern Pa

66 GS Astro Blue/blue 425 auto
66 GS Silver Mist/black 401 4 spd
66 GS Flame Red/black 401 5 spd
66 GS Saddle Mist/black 401 L76 auto
66 Special Flame Red/black 300 5 spd
65 GS vert Verde Green/ Saddle buckets 401 4 spd
79 Turbo Regal

Offline Mister T

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Re: Correct replacement gas tank for 66 GS, non AC
« Reply #14 on: December 10, 2016, 09:11:13 PM »
I used to know a guy that wasn't afraid to weld a  full tank.  He also would pipe exhaust fumes into them.   :dontknow:


 Not my idea of living  on the edge. lol


  Loren

Which begs the question of whatever happened to him?
Tom B

Currently bereft of Buicks.