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southpw Member
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Joined: Jun 15, 2014 Posts: 268 Location: Cambridge, Ontario, Canada
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Posted: Sat May 14, 2016 3:54 pm Post subject: NOS Head Gasket Install |
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So I have, what i believe is, a NOS head gasket i am almost ready to install and wondered if any sealabt should be used for install. Every thread i can find only talks about the new steel or copper gaskets. Are they better? Should i buy one of those instead? I would think original should work just fine. Heres a few pics
![](http://i1195.photobucket.com/albums/aa389/southpw1/Mobile%20Uploads/20160514_173952.jpg) _________________ 1952 M38 project
Brad |
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southpw Member
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Joined: Jun 15, 2014 Posts: 268 Location: Cambridge, Ontario, Canada
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Posted: Sat May 14, 2016 3:59 pm Post subject: |
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Also, should steel enforcement between cylinders 1-2 and 3-4 have solid steel to the block or to the head? You can see a picture in above post where steel does not connect and the other side it does.
![](http://i1195.photobucket.com/albums/aa389/southpw1/Mobile%20Uploads/20160514_175601.jpg) _________________ 1952 M38 project
Brad |
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southpw Member
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Posted: Sat May 14, 2016 4:25 pm Post subject: |
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All my questions are answered in TM9-1804A on page 94-95. No mention of sealant so I will install dry. Hoping this gasket will last a long time. _________________ 1952 M38 project
Brad |
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wesk Site Administrator
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Joined: Apr 04, 2005 Posts: 16282 Location: Wisconsin
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oilleaker1 Member
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Joined: May 14, 2009 Posts: 972 Location: South Dakota
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Posted: Mon May 16, 2016 4:12 am Post subject: |
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Never seen one like yours. I hate the steel , one sided felpros. The fiber ones have worked fine for me, but they had a complete metal surround on the inner cylinder areas. I've also had good luck with the new copper gaskets. If they blow/leak, it's usually between cylinders. Next one I install will be copper. Just my opinion. John |
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wesk Site Administrator
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Joined: Apr 04, 2005 Posts: 16282 Location: Wisconsin
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southpw Member
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Posted: Mon May 16, 2016 5:05 pm Post subject: |
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The TM states to install with logo facing up which would have crimped side of steel facing up. But your posted service bulletin states crimped side facing down. I looked up Detroit gasket and mfg company but found nothing. Since i have no manufacturers instructions, i will install as per the service bulletin. If it wasnt for that, i would have installed crimped side up.
Fingers crossed. I plan on painting before reassembly so may make another trip out to Brian Asbury as i know he has a few different head gaskets on hand. _________________ 1952 M38 project
Brad |
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oilleaker1 Member
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Joined: May 14, 2009 Posts: 972 Location: South Dakota
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Posted: Mon May 16, 2016 5:27 pm Post subject: |
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I see it said to retorque after the engine reached operating temperature. There has been much discussion on letting it cool down after reaching this temp before retorqueing. I find this comforting because I retorque while it's hot. I do it again after driving it a week or so. While it's hot! Works well for me. John |
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southpw Member
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Joined: Jun 15, 2014 Posts: 268 Location: Cambridge, Ontario, Canada
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Posted: Mon May 16, 2016 6:47 pm Post subject: |
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Thanks for that first hand experience. I will do the same. _________________ 1952 M38 project
Brad |
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wesk Site Administrator
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Posted: Mon May 16, 2016 11:39 pm Post subject: |
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Did you note the date of the SB? Did you note that it applies to the F-134?
I noticed your head gasket was part of Engine overhaul gasket set A-1537 which is for the WWII jeeps. This set included Head Gasket WO# A-8558.
The gasket set for the M38 is WO# 648054, ORD# 7372555 or FSN 2805-737-2555. The head gasket in this set is WO# 638540
I have seen a factory letter warning about early vs late head gaskets for the L-134. Can't seem to locate a copy now. _________________ 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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45auto Moderator
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Joined: Apr 06, 2005 Posts: 148 Location: Georgia
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Posted: Tue May 17, 2016 3:29 pm Post subject: |
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Following up with what Wes has said--there are different Head Gasket part numbers for the MB-GPW and Early CJ2A engines or Smooth Head and later Ribbed Heads. Attached are the part numbers I have on early vs late head gaskets. Looks to me, you need to source a late L-Head head gasket.
All the neat columns that tells what fits what does not show up here. If Wes can post a chart, I can send him a clipping of the file in Excel format.
Part Group Part Type Part Description MB 2A 3A 35 3B J5 38 A1 Manufacture Part Number Remarks About The Part
MB-GPW Early CJ2A Fel-Pro 7267 B For the Smooth Cylinder Head
Late CJ2A--CJ3A--M38 Fel-Pro 7285 B Ribbed Cylinder Head--Recommended for Heavy Cylinder Over-Bores .060--.080 etc.
MB-GPW--Early CJ2A McCord 6080 For the Smooth Cylinder---Medal on Both Sides
Late CJ2A--CJ3A--M38 Victor 1023 K Has Water Jacket Slots on Right Side of Engine _________________ Harold W.
MVPA #6833
1945 GPW
1950 CJV-35/U
1951 M38 1952 M38
1962 USMC Contract M38A1
1953 Strick M100 1967 Johnson M416
1968 CJ5 4-Speed 1969 CJ5 V6 |
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wesk Site Administrator
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Joined: Apr 04, 2005 Posts: 16282 Location: Wisconsin
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southpw Member
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Posted: Wed May 18, 2016 2:50 pm Post subject: |
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Thanks Harold and Wes. I am going to try and source out another gasket. I would feel more confident with a gasket that has a full metal surround around the cylinder.
Brad _________________ 1952 M38 project
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wesk Site Administrator
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