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Unread 01-25-2011, 07:30 AM   #1
jpd1899
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1978 CJ7 
 
Join Date: Jan 2009
Location: Richmond, VA
Posts: 290
20 Gallon Gas Tank Conversion Parts Lists

Thought I would throw together a list of the part numbers I ordered to swap from a 15-20 Gallon Gas Tank on a CJ. I picked up a 20 gallon gas tank off craiglist that was stripped.

Here is what I ordered, hope it helps if you are doing the same (Quadratec Part Numbers unless otherwise stated). The GAS TANK and SKID Plate aren't in the LIST.


QTY Item # Description
1- 55107 03 SENDING UNIT- FUEL 79-86 CJ 20 GALLON
5362090
1 52449 1414 HOSE FUEL FILLER 20 GALLON 82-86 CJ J
5362158
1 55107 11 20 GALLON FILTER FOR S363490 17728.02
5361389
1 52449 1415 HOSE FUEL VENT 20 GAL 82-86 CJ J5362159
1 55107 10 O-RING FOR FUEL SENDING UNIT 941521

1- Lock Ring-Part Number-JEE 5370014- 4Wheeler Supply
2- Vapor Seal (Rubber Grommet around check valve)-Part Number 52018823 from Morris 4x4.
2 Check Valves-Part Number J5360058 from Morris 4x4.


Last edited by jpd1899; 04-16-2011 at 05:00 PM.. Reason: Updated parts listing
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Unread 01-25-2011, 08:24 AM   #2
h2ojeep
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1978 CJ7 
 
Join Date: Oct 2008
Location: Cottonflat, TX
Posts: 677
I didnt notice a 20 gal tank in the list. do you already have a tank, is it poly?

http://www.quadratec.com/products/51306_14.htm which includes some of the items you have ordered. plus extensions, and strap.

or
0051XL from here: http://www.mtscompany.com/jeep.htm

You will probably need to have some light sheet metal to shield the exhaust pipe from the tank and a way to attach.

You dont need the filler and vent hose (same for 15 or 20 gal) but if they are the original 1978, good idea to change. And probably good idea to change all new fuel and return line. Take care that the fuel line is the correct size.

Do a search on the forum, the exchange as been talked about a lot and there are some good ideas and tricks on remove and install and upgrades.

Edit: Dugh, just saw your comment that the tank was not on the list.

Last edited by h2ojeep; 01-25-2011 at 08:26 AM.. Reason: dugh
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Unread 01-25-2011, 09:14 AM   #3
PERK
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1983 CJ7 
 
Join Date: May 2007
Location: Castro Valley Ca
Posts: 613
15 and 20 gal factory filler and vent hoses are not the same.
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Unread 01-25-2011, 01:23 PM   #4
h2ojeep
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Quote:
Originally Posted by PERK View Post
15 and 20 gal factory filler and vent hoses are not the same.
Maybe not on some years, but I can assure you by personal application that the filler and vent hose are the same for 15 and 20 gal fuel tank on a 78 cj7.

Last edited by h2ojeep; 01-25-2011 at 01:24 PM.. Reason: spelling
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Unread 01-25-2011, 06:49 PM   #5
jpd1899
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Join Date: Jan 2009
Location: Richmond, VA
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I'm still trying to find a good skid plate. I am trying to figure out if I can use the 15 gallon as a starting point and just weld onto it.

I had to cut the hoses on the original to get them off so I needed new ones any way.

I know I had to go through quite a few postings to get these, so I tried to put something together for everyone else to use.
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Unread 01-25-2011, 06:59 PM   #6
Jp78cj5
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1978 CJ5 
 
Join Date: Oct 2010
Location: San Antonio, Texas
Posts: 361
I picked up a 21 gal poly tank for my CJ. It was a complete kit with sending unit installed. It also came with extenders to lower the factory skid plate and a center strap. Maybe this weekend I can get a chance to install it.
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Unread 01-25-2011, 09:36 PM   #7
fredrok
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Quote:
Originally Posted by jpd1899 View Post
I'm still trying to find a good skid plate. I am trying to figure out if I can use the 15 gallon as a starting point and just weld onto it.
http://www.maxbilt.com/20gasskid.html
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If you don't have time to do it right, how will you ever find time to do it again?
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Unread 01-25-2011, 10:19 PM   #8
Davidnex
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Home made skid plate 3/16" steel,, most web sites sell (skid to OEM) extension for 20 retro tanks

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Unread 11-30-2011, 03:11 PM   #9
spencerkemp
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Can you update parts list maybe add links?
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Unread 11-30-2011, 06:29 PM   #10
kp900
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I just installed a max-bilt into the frame of my 84. Looks good, very impressed with the quality.
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Unread 11-30-2011, 09:26 PM   #11
carnell
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Just did this upgrade on my CJ. Vent and filler neck are the same!! Just keep in mind that your tank will be lower, about halfway down the rear diff.
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Unread 12-01-2011, 11:19 AM   #12
jpd1899
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What part # do you need? I will see if I have them.
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Unread 06-04-2013, 08:16 AM   #13
CJ7ROB
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1986 CJ7 
 
Join Date: Apr 2010
Location: Whitehouse Stn,NJ
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Quote:
Originally Posted by jpd1899 View Post
Thought I would throw together a list of the part numbers I ordered to swap from a 15-20 Gallon Gas Tank on a CJ. I picked up a 20 gallon gas tank off craiglist that was stripped.

Here is what I ordered, hope it helps if you are doing the same (Quadratec Part Numbers unless otherwise stated). The GAS TANK and SKID Plate aren't in the LIST.


QTY Item # Description
1- 55107 03 SENDING UNIT- FUEL 79-86 CJ 20 GALLON
5362090
1 52449 1414 HOSE FUEL FILLER 20 GALLON 82-86 CJ J
5362158
1 55107 11 20 GALLON FILTER FOR S363490 17728.02
5361389
1 52449 1415 HOSE FUEL VENT 20 GAL 82-86 CJ J5362159
1 55107 10 O-RING FOR FUEL SENDING UNIT 941521

1- Lock Ring-Part Number-JEE 5370014- 4Wheeler Supply
2- Vapor Seal (Rubber Grommet around check valve)-Part Number 52018823 from Morris 4x4.
2 Check Valves-Part Number J5360058 from Morris 4x4.
Ok I need a new vent and fill hose for my 20 gallon poly tank in my '86 CJ7. Is it safe to assume the above hose parts J5362158 (filler) & J5362159 (vent) will work? thx
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