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08-26-2019, 08:41 PM
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#1 |
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Registered User
Join Date: Oct 2009
Location: Gardnerville Nv No Mo Cali!!
Posts: 869
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A Simple Question About Replacing Original Fuel Tank
Hi folks. It's been a while since I've participated in the forum. I'd like a little advice on replacing the original fuel tank on my 72 C10. It seems that the old tank is coughing up rust to the point of unseating the carburetor float valve, so I ordered a new one. My question is; should remove the rubber boot on the filler neck before I remove the tank or should I try to just pull the old tank through the boot. I'm sure I can try to figure a way to do it but I'd like to get advice from someone here that has done it before. Thanks!
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08-26-2019, 09:12 PM
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#2 |
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Registered User
Join Date: Jun 2012
Location: Clearwater Beach Florida
Posts: 872
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Re: A Simple Question About Replacing Original Fuel Tank
I've replaced my boot when I painted my truck but didn't pull the tank. I cut off the old boot and slid the new boot over the filter neck still in place. If your boot is new and pliable you may be able to pull the boot off first. I'd just buy another boot to make it easier and cut the old one out.
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08-26-2019, 11:31 PM
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#3 |
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Senior Member
 
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,811
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Re: A Simple Question About Replacing Original Fuel Tank
On my 1969 truck I removed the tank by pulling the neck through the rubber grommet. Then I put a new grommet on, and inserted the new tank's neck through it. Use gloves. The edges of the tank can be sharp. I had to bend the bottom edge of the tank metal to make the edge line up with and meet the mounting holes. All of the screws fit except one hole was off by an inch or so, so I left that bolt out. I put a piece of scrap tail pipe on the neck and used it as a tool to bend the neck to be centered in the hole so I would not have any gaps between the grommet and the filler neck.
Last edited by dmjlambert; 08-27-2019 at 06:35 PM. Reason: clarity |
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08-27-2019, 01:06 PM
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#4 |
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Registered User
Join Date: Feb 2012
Location: Smyrna TN
Posts: 1,153
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Re: A Simple Question About Replacing Original Fuel Tank
I've done numerous tank replacements. If your grommet is good leave it in place. The new tank will fit through the grommet when pulling or installing. The 71 and 72 trucks have EEC tanks and I've yet to find the right grommet. The grommets that I've bought do not fit snuggly enough, my guess is that the non EEC tanks have a bigger fill neck.
__________________
1971 Longbed BB Cheyenne Super 1972 Longbed SB Cheyenne Super 1972 Longbed Highlander Custom Deluxe 1975 K5 4x4 full convertible Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=645165 Greg Smyrna TN |
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08-27-2019, 07:21 PM
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#5 |
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Senior Member
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,811
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Re: A Simple Question About Replacing Original Fuel Tank
It looks like Classic Industries has the 2 different sizes. I got the larger size on the left from them, for my 1969 truck.
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08-27-2019, 09:37 PM
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#6 |
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Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,278
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Re: A Simple Question About Replacing Original Fuel Tank
Sweet truck!
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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08-27-2019, 09:58 PM
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#7 |
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Registered User
 Join Date: Aug 2019
Location: Cheraw
Posts: 1,300
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Re: A Simple Question About Replacing Original Fuel Tank
Use lots of soapy water on the grommet.
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