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Order Ford 4400 Parts Online

Still forzen 4400

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08-05-2018 12:28:56

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I am trying to get the motor in my 4400 to spin. I removed the driveshaft for the pump on the front and was able to put a socket on the bolt on the front of the crankshaft. With a 18 in breaker bar and about 200 lbs of pressure it still will not spin.I cant get much longer bar in there to give more leverage. At this point should I pull the head and see whatsup? It has had marvel mistery oil in it for a week. Any other options?

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Sean in PA

08-05-2018 17:31:18

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 Re: Still forzen 4400 in reply to 59chevy36, 08-05-2018 12:28:56  
Also, don't only try to turn it in the normal running direction of rotation. Sometimes moving it just a smidgen in the opposite direction helps free things up.

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08-05-2018 15:01:23

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 Re: Still forzen 4400 in reply to 59chevy36, 08-05-2018 12:28:56  
It is diesel . Thanks for the pic of the pistons. It is a bolt on the crank and I felt it tighten a bit when I first started to pull on it. tried the bar on the fly wheel earlier and cant get a good bite and don't want to lose a tooth.The pulley on the crank has bolt holes in it and thought about bolting a piece of rod to that to pry with. more MMO in the holes first.

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Ultradog MN

08-05-2018 14:16:26

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 Re: Still forzen 4400 in reply to 59chevy36, 08-05-2018 12:28:56  
third party image

You don't state whether it is a gas or diesel.
If it's a diesel I would pour a cup down each hole. If it's a gas I'd pour 2 cups in each bore.
Borh types of engine have a pretty good dish in the top.
The gas will hold at least a cup of oil.
I still secretly believe that MMO works wonders.
As Bern says, I would not put any more torque in that front bolt.

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Destroked 450

08-05-2018 13:38:07

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 Re: Still forzen 4400 in reply to 59chevy36, 08-05-2018 12:28:56  
Naphtha or Mineral Spirits mixed with ATF but I don't remember the ratios.

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08-05-2018 12:50:34

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 Re: Still forzen 4400 in reply to 59chevy36, 08-05-2018 12:28:56  
This isn't an answer, rather it's a question for the others: What was the consensus on the necessary brew to pour into cylinders to get them freed up? It seems to me that it was a mixture of ATF and something else, but I forgot. My 6000 appears to be stuck as well. It supposedly "ran good" when it was parked, so I'd rather not disassemble the engine if I don't have to.

To 59chevy36: I wouldn't put any more torque on that crankshaft bolt than you already have done. What I might suggest though is prying on the ring gear teeth through the starter hole. You might get a little bit more leverage that way.

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08-06-2018 05:41:59

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 Re: Still forzen 4400 in reply to Bern, 08-05-2018 12:50:34  

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08-05-2018 20:33:35

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 Re: Still forzen 4400 in reply to Bern, 08-05-2018 12:50:34  
I'd guess you're thinking of toluene, a common paint thinner. It is made from pine sap, and can further be processed into TNT, which would help break pistons free, for sure. It's not turpentine, which I suspect would make them stick harder. I don't think it's fussy what lubricant is used. Maybe an ounce or two of two-cycle oil in a quart. Some try DOT fluid but watch out. Don't mess with chemicals if you are going to use heat to warm up the cylinders.

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