[Ronnieroadster]

In all the years I have spent with my hands inside the valley of Flathead Ford blocks one item that's always been a mystery has been the oil feed tube. Always wondered how it was installed was it screwed in , cast in place or pressed in. Well now at least for me this mystery has been solved.
While working on a recent build the blocks owner mentioned he replaced the oil feed tube. When he purchased this engine the oil feed tube was missing so he simply removed the oil tube from a donner block and installed it into this block.
Here's a picture of the oil tube its actually simple to remove and install. Its hard to see in the picture on the outside of the tube in the areas on each end and also the center there's slight machined ribs along the surface. How it seals from leaking is still an unknown when installed. That's to be determined so once the engine is ready I will do a pre oiling test.

Here's the secret to the oil tube replacement job.

To remove the tube first thread the inside of the tube to 7/16 coarse. Next place a length of 7/16 all thread into the hole and now use a slide hammer to remove the tube.
This of course is not a normal task needed in most flathead blocks. However at times I have seen rotted and rusted oil tubes with serious damage the blocks were deemed useless. Now with care a good oil tube can be removed from a cracked not reparable block to be used as a replacement saving the block with the damaged oil tube to be used once again.
Its true everyday we learn something new today is one of those days
Ronnieroadster.