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02-12-2022, 06:54 PM | #1 |
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Mystery leak discovered
I pulled the engine on Henrietta and discovered that there is a hole in the block just above the right side where the flywheel bolts to the block, (the shimmed bolt). It's about a quarter inch in diameter. Is this fixable?
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02-12-2022, 07:09 PM | #2 |
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Re: Mystery leak discovered
I am assuming that you mean just above the bell housing which is where the flywheel is located. You may want to try some JB Weld but first dry and clean it well with a rotary wire brush on a drill motor. If possible push some into the hole to create a larger glob on the inside to keep it keyed into the hole.
Or, try tapping the hole and put a tapered pipe plug in it. Some pictures would help.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
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02-12-2022, 07:30 PM | #3 |
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Re: Mystery leak discovered
Check for cracks radiating. I like the idea of tapping hole after drilling it round. Maybe 5/16" or 3/8" short bolt put in with Locktite? What was leaking?
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02-12-2022, 07:33 PM | #4 |
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Re: Mystery leak discovered
Irontite tapered plugs would probably be fine
The issue will be if the surrounding material is thick enough to hold the thread
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02-12-2022, 07:46 PM | #5 |
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Re: Mystery leak discovered
Aloha, thanks for replying. You're sorta right. It's where the flywheel housing bolts to the block. My bad.
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02-12-2022, 07:50 PM | #6 |
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Re: Mystery leak discovered
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02-12-2022, 07:53 PM | #7 |
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Re: Mystery leak discovered
Aloha Mr. Neilson,
Is Irontite a brand name? Would you also recommend Locktite? Thanks for your reply |
02-12-2022, 09:02 PM | #8 |
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Re: Mystery leak discovered
Aloha Bra,
see this link; https://irontite.com/zc/index.php?ma...48_150_155_157 These are used in crack repair and I have used them in plugging holes in blocks. I am afraid that the water jacket back there will probably be very thin due to corrosion internally. That will make the repair hard to do. I have also used MarineTex epoxy and added a filler of powdered metal with success. I spent my summers on Maui with Grand Parents as a kid, it took a week to darken up and then I looked local. Good luck, John
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02-13-2022, 11:42 AM | #9 |
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Re: Mystery leak discovered
If you do use a tapered pug, tap shallow so that the plug does not go too deep. You can always cut off the end of the plug if it is too long. Use an epoxy like JB Weld as a sealer and to secure the plug. You can cut and grind off the part of the plug sticking out after the epoxy is set but do not get the plug hot or the epoxy will come loose and you may develop radial cracks when the plug expands.
One other idea is to make a small plate to cover the hole and screw it to the block at the sides with machine screws. Make it water tight with JB Weld. I would still like to see before and after photos.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. Last edited by nkaminar; 02-13-2022 at 01:16 PM. |
02-14-2022, 10:47 AM | #10 |
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Re: Mystery leak discovered
Thank you one and all for replying. I will give this considerable thought. Not sue how to include a picture.
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02-15-2022, 11:10 AM | #11 |
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Re: Mystery leak discovered
Please post a picture of the hole.
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02-15-2022, 03:56 PM | #12 |
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Re: Mystery leak discovered
If you have any teenagers around they can show you how to post a photo.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
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