Custom job or aftermarket option? :fuel tank - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**GMC-YA68** · 03-31-2015, 11:58 PM

Pulled the tank on my Jimmy last night. I was wondering if this was some homemade art or an aftermarket piece that was available during its time? It has fasteners that bolt in from the bottom up to a "hanger " in the bed. I had to drill them out from the top because I couldn't get them to break loose. Here's some pics.

**GMC-YA68** · 04-01-2015, 12:01 AM

**GMC-YA68** · 04-01-2015, 12:03 AM

I'll get some better pics tomorrow. These looks like balls...

PGG · 04-01-2015, 06:17 AM

I have only seen mine from the underside installed but it appears the same.
I was shocked on my first fill up that with an 8th tank still it took 38 gallons.
If mine is rusty I would love a replacement with similar volume.

Can I ask why you pulled it out and if you plan to reuse the same take or is it too rustY? Thanks PG

grillzy · 04-01-2015, 06:55 AM

I have the same tank and love that I don't have to live at the gas station. Its a mountain man tank lol.

1972 Jimmy · 04-01-2015, 08:30 AM

I have the identical tank as well. Works vary well. I plan on reusing mine after my restoration is complete.

**GMC-YA68** · 04-01-2015, 11:37 AM

Quote:

Originally Posted by PGG

I have only seen mine from the underside installed but it appears the same.
I was shocked on my first fill up that with an 8th tank still it took 38 gallons.
If mine is rusty I would love a replacement with similar volume.

Can I ask why you pulled it out and if you plan to reuse the same take or is it too rustY? Thanks PG

I pulled it because I am doing a 5.3 swap and am wanting to put an in-tank pump assembling in it. It's just surface rust on the outside. I'll look the inside over but am fairly certain it's pretty clean. I am going to hit it with a wire wheel and get it cleaned up and painted to reuse again. Sounds like these are pretty common from everyone's posts.

I also like the fact on how large it is and how well it fits.

Chulisohombre · 04-02-2015, 04:19 PM

Stock tanks are usually 21 gallons. The hickey tanks put in were 40 gallon I believe. I've pulled two tanks and both are the same 21 gallon tank. One from a plain Jane blazer and one from a cst.

**GMC-YA68** · 04-11-2015, 09:32 PM

You guys that have this tank. There are 4 (what look to be bolt heads) on the bottom. Each with a square hole to fit you socket directly into. Do these twist off? Mine are corroded so bad they won't move and pounding on the bolts from the top isn't working either... Any suggestions?

grillzy · 04-12-2015, 06:52 AM

My tank has them. I have never touched them to see if they twist off or not. They are the nut for the long threaded rod.

ls1nova71 · 04-12-2015, 01:55 PM

Super easy fix, heat them up with a torch! JK, don't do that.

If they are in fact designed to fit a rachet directly into them, then soak them with some PB Blaster for a while, spray it in the top real good and let it run down inside where the bolt is, and also on the bottom, then put your rachet on the nut part and also put a pair of vicegrips on the bolt on top, and turn them both the same direction at the same time. With a little luck, they will come loose and you will be able to remove the bolt and nut together. I doubt that the bolt is rusted in the tube since it's a lot bigger than the bolt, but those nut things are probably 2 or 3 inches long where they screw on to the bolts, and that is what is rusted to both the bolt and the tube it's in. Let them soak as long as you possibly can stand to wait...

viking427 · 04-14-2015, 05:52 PM

Its an old Aero 37 (or possibly 40) gallon tank. If you don't need the ground clearance, keep it - you'll appreciate it greatly in the long run;

http://67-72chevytrucks.com/vboard/s...d.php?t=628103

http://67-72chevytrucks.com/vboard/s...d.php?t=498940

http://67-72chevytrucks.com/vboard/s...d.php?t=460763

viking427 · 04-14-2015, 06:08 PM

Incidentally, NWMP no longer makes oversize tanks for our Gen 1 blazers - they sold that end of their business to SMF. Though SMF doesn't have any listing for oversize tanks for our 69-72 Blazers/Jimmys, they DO show a picture of our CBR-1 in their pics page;

http://www.sunsetmetalfab.net/page009.html

sawman · 04-14-2015, 08:46 PM

hi,i have 1 1 pulled from a 71 blazer it looks the same,i think it is a 38-40 gallon tank.those 350 were hogs on fuel,but I still have it if someone is looking for 1,

03-31-2015, 11:58 PM	#1
GMC-YA68 Senior Member Join Date: Mar 2004 Location: Lee's Summit, MO (KC) Posts: 742	Custom job or aftermarket option? :fuel tank Pulled the tank on my Jimmy last night. I was wondering if this was some homemade art or an aftermarket piece that was available during its time? It has fasteners that bolt in from the bottom up to a "hanger " in the bed. I had to drill them out from the top because I couldn't get them to break loose. Here's some pics. __________________ -Keegan- '72 Jimmy 4x4 - 5.3/4L65E/NP205 swap http://67-72chevytrucks.com/vboard/s...d.php?t=663780

04-01-2015, 12:01 AM	#2
GMC-YA68 Senior Member Join Date: Mar 2004 Location: Lee's Summit, MO (KC) Posts: 742	Re: Custom job or aftermarket option? :fuel tank __________________ -Keegan- '72 Jimmy 4x4 - 5.3/4L65E/NP205 swap http://67-72chevytrucks.com/vboard/s...d.php?t=663780

04-01-2015, 12:03 AM	#3
GMC-YA68 Senior Member Join Date: Mar 2004 Location: Lee's Summit, MO (KC) Posts: 742	Re: Custom job or aftermarket option? :fuel tank I'll get some better pics tomorrow. These looks like balls... __________________ -Keegan- '72 Jimmy 4x4 - 5.3/4L65E/NP205 swap http://67-72chevytrucks.com/vboard/s...d.php?t=663780

04-01-2015, 06:17 AM	#4
PGG Registered User Join Date: Mar 2015 Location: Fort Worth Texas Posts: 279	Re: Custom job or aftermarket option? :fuel tank I have only seen mine from the underside installed but it appears the same. I was shocked on my first fill up that with an 8th tank still it took 38 gallons. If mine is rusty I would love a replacement with similar volume. Can I ask why you pulled it out and if you plan to reuse the same take or is it too rustY? Thanks PG

04-01-2015, 06:55 AM	#5
grillzy Registered User Join Date: Jan 2014 Location: belleville ontario Posts: 354	Re: Custom job or aftermarket option? :fuel tank I have the same tank and love that I don't have to live at the gas station. Its a mountain man tank lol.

04-01-2015, 08:30 AM	#6
1972 Jimmy Registered User Join Date: Nov 2012 Location: Freeland, Michigan Posts: 1,385	Re: Custom job or aftermarket option? :fuel tank I have the identical tank as well. Works vary well. I plan on reusing mine after my restoration is complete.

04-02-2015, 04:19 PM	#8
Chulisohombre Registered User Join Date: Sep 2013 Location: Bangor pa Posts: 1,223	Re: Custom job or aftermarket option? :fuel tank Stock tanks are usually 21 gallons. The hickey tanks put in were 40 gallon I believe. I've pulled two tanks and both are the same 21 gallon tank. One from a plain Jane blazer and one from a cst. __________________ 72 3/4 ton blazer. 5 inch lift on 35 inch tires. 355 corvette engine with crane roller rockers, rv cam, edelbrock carb and intake with one inch spacer. Thrush Headers with flowmaster 40 duels. 4speed sm465 manual. 4 wheel disk brakes with Inboarded rear shock prerunner style mounts and shocks.

04-11-2015, 09:32 PM	#9
GMC-YA68 Senior Member Join Date: Mar 2004 Location: Lee's Summit, MO (KC) Posts: 742	Re: Custom job or aftermarket option? :fuel tank You guys that have this tank. There are 4 (what look to be bolt heads) on the bottom. Each with a square hole to fit you socket directly into. Do these twist off? Mine are corroded so bad they won't move and pounding on the bolts from the top isn't working either... Any suggestions? Attached Images __________________ -Keegan- '72 Jimmy 4x4 - 5.3/4L65E/NP205 swap http://67-72chevytrucks.com/vboard/s...d.php?t=663780 Last edited by GMC-YA68; 04-11-2015 at 09:39 PM.

04-12-2015, 06:52 AM	#10
grillzy Registered User Join Date: Jan 2014 Location: belleville ontario Posts: 354	Re: Custom job or aftermarket option? :fuel tank My tank has them. I have never touched them to see if they twist off or not. They are the nut for the long threaded rod.

04-12-2015, 01:55 PM	#11
ls1nova71 Registered User Join Date: Dec 2009 Location: Independence Mo Posts: 4,119	Re: Custom job or aftermarket option? :fuel tank Super easy fix, heat them up with a torch! JK, don't do that. If they are in fact designed to fit a rachet directly into them, then soak them with some PB Blaster for a while, spray it in the top real good and let it run down inside where the bolt is, and also on the bottom, then put your rachet on the nut part and also put a pair of vicegrips on the bolt on top, and turn them both the same direction at the same time. With a little luck, they will come loose and you will be able to remove the bolt and nut together. I doubt that the bolt is rusted in the tube since it's a lot bigger than the bolt, but those nut things are probably 2 or 3 inches long where they screw on to the bolts, and that is what is rusted to both the bolt and the tube it's in. Let them soak as long as you possibly can stand to wait... __________________ My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html

04-14-2015, 05:52 PM	#12
viking427 Registered User Join Date: Aug 2011 Location: Dallas TX Posts: 225	Re: Custom job or aftermarket option? :fuel tank Its an old Aero 37 (or possibly 40) gallon tank. If you don't need the ground clearance, keep it - you'll appreciate it greatly in the long run; http://67-72chevytrucks.com/vboard/s...d.php?t=628103 http://67-72chevytrucks.com/vboard/s...d.php?t=498940 http://67-72chevytrucks.com/vboard/s...d.php?t=460763

04-14-2015, 06:08 PM	#13
viking427 Registered User Join Date: Aug 2011 Location: Dallas TX Posts: 225	Re: Custom job or aftermarket option? :fuel tank Incidentally, NWMP no longer makes oversize tanks for our Gen 1 blazers - they sold that end of their business to SMF. Though SMF doesn't have any listing for oversize tanks for our 69-72 Blazers/Jimmys, they DO show a picture of our CBR-1 in their pics page; http://www.sunsetmetalfab.net/page009.html

04-14-2015, 08:46 PM	#14
sawman Registered User Join Date: Mar 2015 Location: susanville ca Posts: 1,170	Re: Custom job or aftermarket option? :fuel tank hi,i have 1 1 pulled from a 71 blazer it looks the same,i think it is a 38-40 gallon tank.those 350 were hogs on fuel,but I still have it if someone is looking for 1,

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