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RonD2 Member
Joined: Oct 02, 2014 Posts: 1916 Location: South Carolina, Dorchester County
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Posted: Mon Mar 19, 2018 1:32 pm Post subject: Engine stand ? |
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Just curious.........is it good shop practice to set an engine on the floor like this with all the weight on the oil pan?
wesk wrote: | It's only an issue on the 54 or so and newer T90's. The earlier have the old fashion plain jane 3 set of numbers dates.
I doubt very seriously that there is one cast date code that fits all brands.
The most common casting screwup on the M38 was the test run of the new 804380 blocks in Jan 1952. Although the block blueprint at Willys was already changed from 641087 to 804380 the news never made it to the foundry and the test run blocks all had 641087 cast on them.
This block was suppose to be an 804380 block! |
_________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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w30bob Member
Joined: Mar 22, 2017 Posts: 301 Location: Great Mills, MD
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Posted: Mon Mar 19, 2018 1:52 pm Post subject: |
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Now Ron........me thinks you already know the answer to that question. But if you remove the words "good shop" from your question the answer might be yes.
regards,
bob |
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1916 Location: South Carolina, Dorchester County
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Posted: Mon Mar 19, 2018 2:21 pm Post subject: |
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I don't think I'd do it with mine, but whoever owns that pretty blue engine thinks it's ok! _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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dpcd67 Member
Joined: Nov 25, 2016 Posts: 187 Location: Iowa
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Posted: Mon Mar 19, 2018 2:50 pm Post subject: |
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Done it many times; doesn't seem hurt anything. |
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4x4M38 Member
Joined: May 30, 2014 Posts: 3447 Location: Texas Hill Country
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16256 Location: Wisconsin
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Posted: Mon Mar 19, 2018 5:59 pm Post subject: |
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That skid shield is a lot more then a piece then a piece of sheet metal and the oil sump on the Willys 134 series is tough enough to support the assembled engines weight with out the skid plate.
As Bob already said, "Good Shop" practice says you shouldn't but my experience over the last 50 years of wrencing on them is it doesn't hurt a thing with this Willys oil pan. There are engines I know cannot tolerate this practice. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1916 Location: South Carolina, Dorchester County
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Posted: Tue Mar 20, 2018 8:53 pm Post subject: |
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Thanks! Still learning. Heavy gauge American steel, good stuff.
I was thinking about crushing that carefully torqued to 14-foot-pounds pan gasket by stacking 300+ pounds of motor on top of it might maybe cause some of the pan leaking I hear about?
I'm a rookie, and glad to know they can't be related.......... _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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4x4M38 Member
Joined: May 30, 2014 Posts: 3447 Location: Texas Hill Country
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16256 Location: Wisconsin
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Posted: Tue Mar 20, 2018 11:45 pm Post subject: |
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Quote: | I was thinking about crushing that carefully torqued to 14-foot-pounds pan gasket by stacking 300+ pounds of motor on top of it might maybe cause some of the pan leaking I hear about? |
An interesting set of concerns!
Torque is the preload or stretching of a fastener.
Excessive torque will dimple the pan in at the contact area of the bolt with the pan. This will actually over crush the gasket and prevent the desired tension from being achieved on that area of the gasket between the bolts.
_________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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