What is the thread size for the older size drain plug. The current plug appears to be cross threaded. I was going buy a tap to chase the threads while I have the pan off. Is it 1/2 in NPT?
Thanks in advance
Tom Coughlin
Stow, MA
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Thread size of oil drain plug for 1948Cub
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tomcough
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SONNY
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Re: Thread size of oil drain plug for 1948Cub
I have had mine out and never really looked at the size, but if you are dealing with cross-thread, not sure tap will help much. Worth a try but use caution! I have one that someone drilled and taped the next size plug. may not be the best idea but it works. just something to consider if all else fails.
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Re: Thread size of oil drain plug for 1948Cub
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tst
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Re: Thread size of oil drain plug for 1948Cub
the square plug is 1/2" pipe thread was used in 48
the later pan used a hex head plug 7/8-18 thread
the late pan had a reinforcement around the gasket holes to help with warping
the later pan used a hex head plug 7/8-18 thread
the late pan had a reinforcement around the gasket holes to help with warping
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