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New gas tank from LMC
#1350288 Tue Mar 17 2020 12:24 AM
Joined: Dec 2018
Posts: 21
J
New Guy
I bought a new tank for my 49 Chevy. When I got it home I noticed the hole in the bottom was 1/2 inch. The fuel pet cock tube from my original tank is 1/4 inch I believe. I stopped by Lmc today to talk to them about it. I was told that this is a known issue but they have no answer other than I need to buy some kind of adapter. Anyone experience this and what did you find to fix this problem. Thanks

Re: New gas tank from LMC
jayhawkdoug #1350289 Tue Mar 17 2020 12:30 AM
Joined: Feb 2016
Posts: 432
7
Shop Shark
First thing is to determine the thread type and size for the original fitting, then the thread type and size for the new port in the tank. If the new tank is 1/2" pipe and the original is 1/4"pipe then all you will need is a brass bushing 1/2"x1/4".


1957 Chevrolet 5700 LCF 283 SM420 single speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto
Re: New gas tank from LMC
jayhawkdoug #1350290 Tue Mar 17 2020 12:32 AM
Joined: Jan 2010
Posts: 4,629
D
Shop Shark
Is this behind seat or under bed tank?


Be careful with adapters, it has been posted here before some users finding metric threads on some overseas gas tanks.

Re: New gas tank from LMC
jayhawkdoug #1350292 Tue Mar 17 2020 12:37 AM
Joined: Dec 2018
Posts: 21
J
New Guy
Behind the seat. Just doesn’t make sense to have a hole that is not original size and then not have a fix for it.

Re: New gas tank from LMC
jayhawkdoug #1350294 Tue Mar 17 2020 12:42 AM
Joined: Jan 2010
Posts: 4,629
D
Shop Shark
The bottom outlet on the behind seat tank is 1/8 pipe


Rockauto.com sells a very good tank made in canada, correct outlet and filler neck is correct. Its make by spectra.

...link...



.

Re: New gas tank from LMC
jayhawkdoug #1350341 Tue Mar 17 2020 05:44 AM
Joined: May 2015
Posts: 2,994
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
The tank that Jim Carter sells has the proper outlet as well.


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
Busting rust since the mid-60's
Re: New gas tank from LMC
jayhawkdoug #1350375 Tue Mar 17 2020 04:58 PM
Joined: Nov 2019
Posts: 463
O
Shop Shark
Originally Posted by jayhawkdoug
I bought a new tank for my 49 Chevy. When I got it home I noticed the hole in the bottom was 1/2 inch. The fuel pet cock tube from my original tank is 1/4 inch I believe. I stopped by Lmc today to talk to them about it. I was told that this is a known issue but they have no answer other than I need to buy some kind of adapter. Anyone experience this and what did you find to fix this problem. Thanks
Why would they keep selling gas tanks knowing that they don't know what the fix would be. Just bad business.


"If you can't fix it with duct tape it's an electrical problem"
1949 5 Window 3100
Veteran of the USAF
Re: New gas tank from LMC
jayhawkdoug #1350455 Wed Mar 18 2020 01:46 AM
Joined: Mar 2004
Posts: 4,691
M
Shop Shark
Send it back as "not the correct part" on their dime...if enough people do that they will fix the issue.

Mike B smile

Re: New gas tank from LMC
jayhawkdoug #1350491 Wed Mar 18 2020 12:51 PM
Joined: Mar 2019
Posts: 1,073
G
Shop Shark
Dont forget to leave em a bad review somewhere. People shop accordingly .

Re: New gas tank from LMC
jayhawkdoug #1350511 Wed Mar 18 2020 02:17 PM
Joined: Dec 2002
Posts: 2,557
S
Shop Shark
Send that one back, get a refund, and purchase a Spectra Premium Part Number GM55A. These 49-54 tanks, are original spec., repo. tanks. I've ordered three of them. I just put one in my 1952 GMC COE, last Summer. Direct fit, no modifications needed.


Spanky Hardy
Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers

1948 Chevrolet 5700 COE Holmes HD W35 Wrecker
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