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Posted

I had to go buy one just for that, it was larger than any on my 3/4 drive socket set. I'm not at home to look but I think it was a 1-5/8". I'll look when i get in

  • Like 1
Posted

I have a 15" crescent wrench and I can turn that large nut with that. It won't torque it but it will turn the  over. engine

Posted

It will be one of these....

MoPar Flathead crank nut sizes.JPG

  • Like 1
Posted
17 minutes ago, Dodgeb4ya said:

It will be one of these....

MoPar Flathead crank nut sizes.JPG

Hey the 1-11/16 or the 1-13/16 looks identical to what I have . Thanks all! Much appreciated 

Posted

Yeah, Dodgeb4ya, has a good take on it. There's a bit of variation I suppose across years. It may have been on account of cheap sockets but the plain style for me was 1-1/2 and the crank style pictured on the left of Dodgeb4ya' picture was the 1-5/8, I too have a 1-13/16 in that same style. If you only want to buy one socket, get a digital caliper and take a measurement. Measure twice, buy it once, so to speak. Unless you have multiple engines or parts of different sizes 

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Posted (edited)

so, before i purchase anything and get started, are there any words of wisdom before starting? some dos and donts? has anyone had any bad luck doing this like breaking or snapping anything?

Edited by C.C. Rider
Posted

Put some oil in the cylinders and soak them, if it has been sitting for any length of time.  Some prefer special oils like marvel mystery oil, myself I have been using ATF. Just any light oil would work.

If the engine is froze you could fill the cylinders and soak them, if the engine is not froze, the oil will help loosen the rings and help them re-seat.

My truck sat since 1978, I put atf in the cylinders and let it soak for a couple weeks before trying to turn it over. And when I did turn it over, I just grabbed it by the fan belt and rocked it back and forth then rolled it over with the plugs out. Then I put some more oil in them for the next 6 months while doing other projects. Now I turn it over with the starter.

 

You dont need to wait as long as I did, you could add atf and then try and see right away if you can rock it back and forth. But I would add oil first.

My uncle has a 1947 ford flathead v8, I started putting atf in the cylinders last December, several times since then and still do not know if it is froze or not.

But it will be ready  when we are.

Posted
12 hours ago, Jerry Roberts said:

I see the nuts for the hand cranks come up on ebay . There are usually several . 

where are some links i can find for them?

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