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BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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| | | Forums66 Topics126,776 Posts1,039,259 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: May 2016 Posts: 21 'Bolter | | 'Bolter Joined: May 2016 Posts: 21 | I have a fairly original 49 that has what I think is the original tank. Maybe not. It has a drain plug hole on the front passenger side (bottom) of the tank. Anyone know what the thread size is? The plug is long gone. Thanks | | | | | Joined: Dec 2013 Posts: 25 'Bolter | | 'Bolter Joined: Dec 2013 Posts: 25 | I can check a tank that I have to see for sure, but my guess would be that it is most likely a pipe thread in order to seal the hole tightly. I have a look at mine to see if I can determine a size.
Life is good on Windy Ridge!
| | | | | Joined: Feb 2019 Posts: 4,100 AD Addict & Tinkerer | | AD Addict & Tinkerer Joined: Feb 2019 Posts: 4,100 | My tank located behind the seat is 1/8” NPT. However it’s located on the bottom center of the tank and not the passengers side.
EDIT: my appologies, I missed the part that this is for a panel. Different tanks. The drain however,might be the same thread.
Last edited by Phak1; 12/13/2023 3:12 PM.
Phil Moderator, The Engine Shop, Interiors and Project Journals1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc BrakesProject JournalsStovebolt Gallery Forum | | | | | Joined: Apr 2020 Posts: 295 Professional procrastinator | | Professional procrastinator Joined: Apr 2020 Posts: 295 | I have 2 of those tanks here. I will see if I can get the plug out for you. They are not so easy to remove after 70+ years
1947.2 GMC 1/2T SWB panel
1947.2 GMC 1/2T long bed
1948 GMC 1/2T short bed
| | | | | Joined: Apr 2020 Posts: 295 Professional procrastinator | | Professional procrastinator Joined: Apr 2020 Posts: 295 | It is going to take some soaking and some heat. Neither one are budging.
1947.2 GMC 1/2T SWB panel
1947.2 GMC 1/2T long bed
1948 GMC 1/2T short bed
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