'26/27 gas cap has no vent.

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Model T Ford Forum: Forum 2012: '26/27 gas cap has no vent.
Top of pagePrevious messageNext messageBottom of page Link to this message  By George Clipner-Los Angeles on Sunday, October 21, 2012 - 10:26 pm:

How big a hole do I have to drill ???
George n L.A.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Sunday, October 21, 2012 - 10:31 pm:

1/16"


Top of pagePrevious messageNext messageBottom of page Link to this message  By George Clipner-Los Angeles on Sunday, October 21, 2012 - 10:33 pm:

Anyplace in particular ????


Top of pagePrevious messageNext messageBottom of page Link to this message  By James A. Golden on Sunday, October 21, 2012 - 11:12 pm:

I put my hole in the center of the O in FORD.

The caps with no hole usually do not have a disk soldered on the bottom, but if there is one there, that will need a hole too.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Mark Gregush Portland Oregon on Monday, October 22, 2012 - 12:33 am:

You need to drill the cap from the outside in, so the air can get in. If you drill it from the inside out then only the fumes can get out but no air can get in. :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Monday, October 22, 2012 - 06:07 am:

Mark;
You've got to be kidding, right.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jerry McConville on Monday, October 22, 2012 - 07:19 am:

Mark is correct. To prove it sit in a boat and drill a hole in the bottom. Just see which way the water goes!!!lol


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dennis Halpin on Monday, October 22, 2012 - 08:09 am:

My 27 has a brass cap on it. I drilled about a 1/16 hole in the highest place, in the center.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Monday, October 22, 2012 - 08:37 am:

Jerry;
Your about as confused as Mark. LOL


Top of pagePrevious messageNext messageBottom of page Link to this message  By Erich Bruckner, Vancouver, WA on Monday, October 22, 2012 - 05:40 pm:

So drill a hole in the cap from above to let the air out. Then drill a hole in the bottom of the tank to let the air in?


Mine didn't have a hole either. One day we started from a cold garage and drove out into a very hot day. When I opened the cap there was actually positive pressure inside. I drilled a 1/16 hole in the cap and put a bandaid over it to filter out any particles but still allow breathing.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ken Todd on Tuesday, October 23, 2012 - 11:16 am:

Does anybody sell the proper cap w/the baffle on the bottom?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Larry Smith on Tuesday, October 23, 2012 - 11:21 am:

Don Lang sells the late 25-27 gas cap with the baffle. They aren't cheap, but are nice.


Top of pagePrevious messageNext messageBottom of page Link to this message  By John Page on Wednesday, October 24, 2012 - 02:30 am:

Here is a couple of pictures of the original one that was on our Fordor. You will notice that the two air vent holes are not in line with each other. As Larry said the one that Lang's sell is a very good copy and seems to be the same as the Original Caps as far as I can tell. Regards, John

Original cap.


Inside view.


Top of pagePrevious messageNext messageBottom of page Link to this message  By George Clipner-Los Angeles on Wednesday, October 24, 2012 - 03:23 am:

Thanks John, great view !!!! Gives me an idea (danger)
George n L.A.


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