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Old 09-02-2016, 08:57 PM   #1
Jon-Ohio
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Default Homemade crank nut wrench ?

Have any of you made a homemade crank nut wrench (1 3/8") to help in timing the ignition ?

I see in the parts catalogs they have one for $35 give or take but it's not in my fixed income retirement tight budget right now.

I have an old 1 3/8" - 12 pt socket that is too long to fit between the nut and radiator - but I may try to cut it shorter and weld a 1/2" steel rod handle to it.

I tried using the hand crank but the engine is too tight from rebuilding and hard to turn over by hand and especially to get the timing pin in the index dimple.

Any helpful idea's would be appreciated.

Jon in Ohio
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Old 09-02-2016, 09:08 PM   #2
bill44
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Default Re: Homemade crank nut wrench ?

I have made several of these wrenches. I cut down the length of the socket and weld them on a bar that is slightly bent. They work fine, be sure you don't forget to take them off before you start the engine. You can generally pick up the sockets at swap meets for around a dollar. They are an odd size.
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Old 09-02-2016, 10:20 PM   #3
ian Simpson
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Default Re: Homemade crank nut wrench ?

Check Tom Wesenberg's post in
https://www.fordbarn.com/forum/showth...ight=wesenberg
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Old 09-03-2016, 12:41 AM   #4
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Default Re: Homemade crank nut wrench ?

1 3/8" box wrenches don't show up too often, so I had to pay about $10 for this one at the used tool store. They aren't exactly cheap, but they have a good variety of tools.

I used an oxy/acc torch to heat the bend area red, then put in the two sharp bends and a slight bend to clear the pulley. It works great. You can also lay the wrench on the left frame rail, then click the starter with the key off to loosen the crank bolt.
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Old 09-03-2016, 07:13 AM   #5
C26Pinelake
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Default Re: Homemade crank nut wrench ?

Leave it to the master. If anyone has done it or can do it it is Tom! Wayne
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Old 09-03-2016, 06:36 PM   #6
Jon-Ohio
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Default Re: Homemade crank nut wrench ?

Thanks for the info - will give them a try.

Jon in Ohio
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Old 09-08-2016, 09:32 AM   #7
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Default Re: Homemade crank nut wrench ?

Has anyone tried an offset 1 3/8 box end wrench for this purpose. Perhaps no alteration is needed?
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Old 09-08-2016, 09:51 AM   #8
Bruce Lancaster
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Default Re: Homemade crank nut wrench ?

This works for a Model B. I think spacing to the various obstructions is about the same as Model A.
I started with a Craftsman 36 MM socket on a tip from someone on this board...it is close enough, and, oddly, it was the only 1/2" drive socket I could find for the job. Everything by everyone in 1 3/8 was 3/4" drive and was just too big and bulky for the space.
Then I snapped in a square adapter, also from Sears...not sure exactly what to call these. The device is simply a drive square topped with a 3/4" hex so you can turn a socket with a flat wrench. They come in sets of 3, 1/4, 3/8, and 1/2, and only add about 3/8 of an inch to the length of the socket, making it compact enough to wiggle into place. The rig is turned by a Sears 3/4" ratcheting reversible box wrench...I bought 2 of these, one flat, the other offset. Don't remember which fit best. I keep the whole mess together.
This fits, is convenient, and the reversible ratchet is perfect for finding the right rotational spot. Just remember to be turning forward on the final approach.
By the way, modern Sears plating is HORRIBLE...the whole set is a ball of rust now, but still works. The rest of my Craftsman stuff from 1962 still has good plating.
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Old 09-08-2016, 01:46 PM   #9
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Default Re: Homemade crank nut wrench ?

Quote:
Originally Posted by Jon-Ohio View Post
Have any of you made a homemade crank nut wrench (1 3/8") to help in timing the ignition ?

I see in the parts catalogs they have one for $35 give or take but it's not in my fixed income retirement tight budget right now.

I have an old 1 3/8" - 12 pt socket that is too long to fit between the nut and radiator - but I may try to cut it shorter and weld a 1/2" steel rod handle to it.

I tried using the hand crank but the engine is too tight from rebuilding and hard to turn over by hand and especially to get the timing pin in the index dimple.

Any helpful idea's would be appreciated.

Jon in Ohio
Have you taken the spark plugs out so you don't have to fight the compression?
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Old 09-08-2016, 03:37 PM   #10
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Default Re: Homemade crank nut wrench ?

Why is it that this topic reminds me of a Rube Goldberg-style machine that turns the Model A crank by means of a fan belt attached to any number of other odd devices which operate to spring the other into action and eventually end up turning the crank? Couldn't find a good picture of such to post and capture adequately as to what I mean. A musical background would likely be the song Popcorn with the Muppets working all the gadgets as it plays.

I'm being funny and not sarcastic in the least. :-)
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Old 09-08-2016, 03:50 PM   #11
leo
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Default Re: Homemade crank nut wrench ?

I have an S & K 1 3/8 1/2 socket which is 2 inches tall, it will clear the crank retainer on the front cross member but there isn't enough room to get a ratchet or breaker bar on it. So if a 1 3/8 socket will do the job I'm thinking it cannot be more than 1 1/2 inches tall. What say you?

* Problem solved: If you can get any 1 3/8 socket on to the crank bolt, get a 6 inch extension either 1/4 or 1/2 and put it through the crank hole from the front of the car, then add your ratchet wrench or breaker bar and you are there!

Last edited by leo; 09-08-2016 at 04:04 PM. Reason: new input
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Old 09-12-2016, 03:06 PM   #12
Bruce Lancaster
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Default Re: Homemade crank nut wrench ?

That's why the flat wrench adapter on my Model B rig above does the job...the thickness of the flat box wrench is considerably leas than any normal ratchet handle. This allows all movement to be handled from within engine compartment, much easier than reaching out to beyond the radiator while trying to get position just right.
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Old 09-12-2016, 04:09 PM   #13
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Default Re: Homemade crank nut wrench ?

Here's mine I'm sure it want homemade but it wouldn't be hard to make at home. It appears to be a 1 3/8 Combo wrench that had the open end removed and bit of bending and a powder coating. I keep it with the other tools in the trunk of my car. I got it in an estate buy, that's why I don't know its origin.
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Old 09-12-2016, 04:56 PM   #14
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Default Re: Homemade crank nut wrench ?

Quote:
Originally Posted by Tiny View Post
Here's mine I'm sure it want homemade but it wouldn't be hard to make at home. It appears to be a 1 3/8 Combo wrench that had the open end removed and bit of bending and a powder coating. I keep it with the other tools in the trunk of my car. I got it in an estate buy, that's why I don't know its origin.
That's like the one the vendors sell... for ~$35.
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Old 09-12-2016, 05:09 PM   #15
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Default Re: Homemade crank nut wrench ?

WOW!! $35? I think its just a Harbor Freight wrench. Maybe I should start making them? I probably paid paid less than a dollar, but i spent several hundred dollars at once and left with a truck load of A stuff.
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