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31 Stuck Engine
Not too shy to talk
Joined:
7/5 3:41:10
From Glenwood MD
Posts: 12
I've got a problem I need some advice on. I have a 1931 Standard Eight that I acquired as a stalled 30 year long restoration. I pulled the plugs, put about a tablespoon of Marvel Mystery Oil down each cylinder and let it sit a while. The head had some carbon in it, and the cylinder walls looked fine. I then rotated the engine about a third of a turn which went fine, no binding noted, then let it sit about two weeks. I come back and try to rotate it more, but everything is stuck. Tried putting it in gear with gentle rocking, but didn't work.

Given I was able to get some rotation, I believe I have something stuck on the valve train which didn't get stuck until the cam lobe came in contact with the stuck valve. I pulled the valve cover and hosed down where the valve stem contacts the lifter with PB blaster and additionally hosed down the tops of the valves in the head with PB as well. What more can I do here?

Posted on: 11/17 5:03:50
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Re: 31 Stuck Engine
Forum Ambassador
Joined:
2007/3/14 16:01
From New Jersey
Posts: 15715
After sitting 30 years, excellent chance it has several stuck valves. Safest way to proceed will be to pull the cylinder head and free and remove the valves. You may very well find you need to replace some valves and guides.

It would also be a good idea to drop the oil pan and clean and assess the condition of the lower end.

Posted on: 11/17 6:03:05
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Re: 31 Stuck Engine
Not too shy to talk
Joined:
7/5 3:41:10
From Glenwood MD
Posts: 12
Thanks very much. Yes, I do plan on dropping the back for a thorough cleaning and inspection. Is there any hope in filing the cylinders with diesel/atf or atf/acetone and letting it sit a few weeks?

Posted on: 11/17 7:16:33
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Re: 31 Stuck Engine
Just can't stay away
Joined:
2018/8/18 3:35
From Berkeley Lake, GA, USA
Posts: 66
I am not familiar with your engine, but if it is typical of straight 8's of the era there should be a side cover on the side that covers the valve/tappet gallery. Removing this would give you access to the valve and maybe a way to check to see if any are stuck.

If it turned before, then my guess is that there is/are stuck valve(s). The engine would turn enough until the cam lob started to come up and hit the stuck valve. I would take the head removal advice and try to figure which valve(s) should be beginning to open and concentrate on them.

What I commonly see is the engine blows the head gasket, which allows water to the valves and when parked for extended periods, rusts them in place.

Posted on: 11/17 7:36:08
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Re: 31 Stuck Engine
Forum Ambassador
Joined:
2007/5/20 1:34
From Bowral, Southern Highlands of NSW, Australia
Posts: 10246
G'day Greenfield,
to PackardInfo and I invite you to include your '31 Standard Eight in the Packard Owner's Registry.

Posted on: 11/17 12:50:02
_________________
Mal
/o[]o\
====


"Out of chaos comes order" - Nietzsche.

'38 Eight Sedan 38's are great! (Sold July 2009)
'41 120 Club Coupe 41's the One! (Sold October 2017)
'48 2222 "Almost" Rolling Limo Chassis and Engine (Sold Sept 2019)
'50 Eight Touring Sedan

Project Blogs:
'41 120 Club Coupe - Locked
Wade's Workshop - Locked
'50 Eight Touring Sedan

What's this? >>>>>> FAQ - Add your Packard to the Owners Registry
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Re: 31 Stuck Engine
Not too shy to talk
Joined:
7/5 3:41:10
From Glenwood MD
Posts: 12
Thank you. I will post some pics and post an entry.

Posted on: 11/17 14:33:34
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Re: 31 Stuck Engine
Home away from home
Joined:
2016/3/13 15:24
From Coalmont, B.C., Canada
Posts: 632
Greenfield - I'm curious, based on your description, you say 'everything is stuck'. After you got the engine to partially turn; will it go back the opposite way from where it started to turn, or is it locked up completely?? I'm thinking if it will move back and then go forward to where it sticks again, a stuck valve would be the probable culprit, but if it is locked up completely, it could point to another issue altogether?? I guess with an engine that has sat for 30 years, a tear-down and basic rebuild would probably be the optimal course of action anyway, to prevent all kinds of operating woes going forward.

Posted on: 11/17 15:57:00
_________________
'If you think you can, or you think you can't, you're right!' Henry Ford

1939 Six, Model 1700

http://packardinfo.com/xoops/html/modules/registry/index.php?Action=view&ID=1823
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Re: 31 Stuck Engine
Not too shy to talk
Joined:
7/5 3:41:10
From Glenwood MD
Posts: 12
I don't know. I haven't tried to turn the engine counterclockwise yet. I have to make a contraption to fit over the crank dog bolt to turn counterclockwise. The starting handle is engineered to go clockwise only.

Posted on: 11/19 10:04:30
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Re: 31 Stuck Engine
Home away from home
Joined:
2016/3/13 15:24
From Coalmont, B.C., Canada
Posts: 632
No room for a 1" socket on the crank nut, eh??

Posted on: 11/19 11:08:44
_________________
'If you think you can, or you think you can't, you're right!' Henry Ford

1939 Six, Model 1700

http://packardinfo.com/xoops/html/modules/registry/index.php?Action=view&ID=1823
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Re: 31 Stuck Engine
Home away from home
Joined:
2016/3/13 15:24
From Coalmont, B.C., Canada
Posts: 632
Greenfield - I just got it explained to me, that your '31 engine does not have a conventional nut on the crank-end, Please disregards my previous post and excuse my limited knowledge; PRESUMPTIONS will get you every time! Chris.

Posted on: 11/19 19:21:28
_________________
'If you think you can, or you think you can't, you're right!' Henry Ford

1939 Six, Model 1700

http://packardinfo.com/xoops/html/modules/registry/index.php?Action=view&ID=1823
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