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1947 Gas Tank (help needed)

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Nicke Svensson

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Posts: 31

Joined: Tue Aug 28, 2007 3:14 am

Location: Stockholm Sweden

Post Tue Oct 21, 2008 9:54 am

1947 Gas Tank (help needed)

Image

I need to find the right tap to chase the thread in the gas valve hole.
I thought it was 3/8 X 18" NPT but that tap was too small...

Anyone ?
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Chris Haynes

Posts: 2637

Joined: Wed Jul 05, 2000 12:01 am

Location: Los Angeles, CA

Post Tue Oct 21, 2008 11:16 am

Re: 1947 Gas Tank (help needed)

Locate an old gas valve. File or mill slits in the side of the threads and use it as a thread chaser.
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BRAD

Posts: 184

Joined: Tue Oct 15, 2002 12:01 am

Location: Naples, Florida

Post Wed Oct 22, 2008 2:22 pm

Re: 1947 Gas Tank (help needed)

Nicke, if chris's method doesn't work cause threads are really boogered up, the tap you need is a 3/4-18 NS. Mine was a special order.
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Nicke Svensson

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Posts: 31

Joined: Tue Aug 28, 2007 3:14 am

Location: Stockholm Sweden

Post Sun Oct 26, 2008 5:38 am

Re: 1947 Gas Tank (help needed)

Thanx for the help guys!

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