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cabinfever
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Joined: May 14, 2013
Posts: 201
Location: Between Crosslake and Emily, Minnesota
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 Posted: Thu Aug 22, 2013 10:24 am Post subject: Engine lubrication and motor oil |
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I have searched the previous threads regarding motor oil and I’d appreciate some feedback on my plans for motor lubrication. Even though I have had my M38A1 for only 5 months, I figure I will put no more than 300 miles on my jeep per year.
I live in north central Minnesota. I do not plan on driving my A1 during the winter. What I do plan on doing is putting it up on blocks and storing it in my unheated pole shed from November thru March. Here are my questions.
1. Is it a good idea to start the engine every couple of weeks during the winter and let her run up to temp? Or is it better to just let it “sleep?”
2. Is changing oil once per year adequate? Or, should I do a summer oil change (SAE 30) and a winter change (SAE 10?).
3. If changing oil once per year is considered adequate, is 10w-30 a good choice?
4. I’ve read where several have recommended Shell Rotella brand oil. Isn’t that made for diesel engines? What is its benefit for my gasoline Willys?
5. I do plan on adding a zinc/phosphorus additive to the oil. Is this recommended or am I wasting my money?
Thanks in advance. Sorry for all the greenhorn questions. 
_________________
Steve Stark - 1955 M38A1 MD #85388
Member - MVPA #35153
Member - Red Bull Historic Military Vehicle Association |
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wesk
Site Administrator
Joined: Apr 04, 2005
Posts: 16262
Location: Wisconsin
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| Posted: Thu Aug 22, 2013 10:36 am Post subject: |
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Yes they are greenhorn questions. Yes they all have answers that can be found using the search function here.
| Quote: | 1. Is it a good idea to start the engine every couple of weeks during the winter and let her run up to temp? Or is it better to just let it “sleep?”
No. It should be pickeled for the winter. Just Google search "engine long term storage".
2. Is changing oil once per year adequate? Or, should I do a summer oil change (SAE 30) and a winter change (SAE 10?).
Yes. I would do the change just prior to winter storage. This will remove all the gunk from the summer's driving. 30 is my choice but 10w30 works as long as the zinc content is up to par for antique engine oil use.
3. If changing oil once per year is considered adequate, is 10w-30 a good choice?
See above
4. I’ve read where several have recommended Shell Rotella brand oil. Isn’t that made for diesel engines? What is its benefit for my gasoline Willys?
Shell Rotella is a good oil and is available in gas engine blends. Just make sure the zinc content is high enough.
5. I do plan on adding a zinc/phosphorus additive to the oil. Is this recommended or am I wasting my money?
Yes if the oil is not a quality brand antique engine oil that already has enough zinc.
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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
Last edited by wesk on Thu Aug 22, 2013 11:26 am; edited 1 time in total |
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cabinfever
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Joined: May 14, 2013
Posts: 201
Location: Between Crosslake and Emily, Minnesota
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| Posted: Thu Aug 22, 2013 10:53 am Post subject: |
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Thanks, Wes. I'm afraid you're gonna have to put up with my greenhorn questions for a while! 
One more question. Shell Rotunda? Is that a real product or just a typo? I couldn't find it by googliing.
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Steve Stark - 1955 M38A1 MD #85388
Member - MVPA #35153
Member - Red Bull Historic Military Vehicle Association |
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wesk
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Location: Wisconsin
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artificer
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Joined: Feb 16, 2007
Posts: 206
Location: Gold Coast Australia
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| Posted: Sat Aug 24, 2013 12:07 am Post subject: |
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Nice to know stuff courtesy of Tony Norton
http://www.gpwjeep.com/lubrication_system.html
_________________
John GIBBINS
ASE Master Medium/Heavy Truck & Auto Technician 2002 USA
Licensed Motor Mechanic NSW # MVIC 49593 Current
YOU CAN'T TROUBLESHOOT WHAT YOU DON'T UNDERSTAND |
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cabinfever
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Joined: May 14, 2013
Posts: 201
Location: Between Crosslake and Emily, Minnesota
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| Posted: Sun Aug 25, 2013 8:05 am Post subject: |
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Wondering if there a similar webpage for the F-134 Hurricane engine?
_________________
Steve Stark - 1955 M38A1 MD #85388
Member - MVPA #35153
Member - Red Bull Historic Military Vehicle Association |
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wesk
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Posts: 16262
Location: Wisconsin
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cabinfever
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Joined: May 14, 2013
Posts: 201
Location: Between Crosslake and Emily, Minnesota
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| Posted: Sun Aug 25, 2013 1:49 pm Post subject: |
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Thanks Wes and John! 
_________________
Steve Stark - 1955 M38A1 MD #85388
Member - MVPA #35153
Member - Red Bull Historic Military Vehicle Association |
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