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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sat Nov 29, 2008 9:50 am Post subject: M38 |
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I got my engine back from the machine shop with minimal work needed. Now I just need to clean off some minor surface rust, give it a coat of engine primer, then some OD.
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Sat Nov 29, 2008 10:02 am Post subject: Crank Pulley |
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Now, I have two crank pulleys. The one on the left is heavier cast and the one on the right came with the engine. Is there a different pulley for the genset set-up? What is the difference between these two pulleys?
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16256 Location: Wisconsin
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Posted: Sat Nov 29, 2008 12:33 pm Post subject: |
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The right hand pulley is original to your M38. The parts manuals all the way through the late 50's only show one Willys part number so I don't think there was any change between the M38 and the M38A1 but it could have been introduced after 1955. All of the service manual illustrations thru 1955 show the right pulley as well. The NOS RMC engine posted here a few days ago doesn't offer a very clear shot of the crank pulley but it appears to be the one in the right of your photo. _________________ 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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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Dec 04, 2008 9:19 am Post subject: Pully |
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Thanks Wes. |
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1634 Location: Kansas
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Posted: Thu Dec 04, 2008 8:36 pm Post subject: |
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Hey,
Have you sent Wes the data on your engine yet?
Casting numbers, serial number, etc. _________________ Ryan Miller
MVPA # 22010 |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Fri Dec 05, 2008 8:31 am Post subject: Engine |
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I sent him the info and he emailed me the form for more information on my Jeep. |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Tue Dec 16, 2008 8:45 am Post subject: Engine |
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I got two coats of engine primer and one coat of paint on my engine this past week end. So far it looks nice.
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1634 Location: Kansas
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Posted: Tue Dec 16, 2008 7:32 pm Post subject: |
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Hey looks good.
I remember when I was at that stage.
Its always a good feeling when you start putting things back together. _________________ Ryan Miller
MVPA # 22010 |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Wed Dec 17, 2008 8:41 am Post subject: Parts |
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Soooooooo many little parts needed. I am not looking forward to working on the transmission and transfer case. The oil, grease and surface rust are caked on pretty good. |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Fri Jan 16, 2009 8:57 am Post subject: T-90 |
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I opened up my T-90 the other day. The low and reverse gear is worn. Also, the counter shaft gear below is worn. I am guessing that this is a common occurrence with these T-90 transmissions. Now I just need to get some replacement gears and a small parts kit. Does any one have suggestions of where to buy these parts? I am sure they are available at most parts places but someone may know where the best value can be found.
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16256 Location: Wisconsin
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Wed Mar 04, 2009 8:19 am Post subject: T90 |
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I got my T90 taken apart. The first and reverse gear that I bought turned out to be incorrect. I called the guy and he is replacing it. He suggested that I go ahead and replace my 2nd gear. He did not have any but suggested Rapco. My 2nd gear looks fine but I am told that this is a week point in the transmission.
Does anyone have any thoughts on replacing a seamingly good 2nd gear? It looks like they are about $60 new at Rapco. |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16256 Location: Wisconsin
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TomM Moderator
Joined: Apr 18, 2005 Posts: 458 Location: Rhode Island
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Posted: Fri Mar 06, 2009 7:20 am Post subject: T90 |
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Many gears are still available as surplus stock - NOS and USA made from vendors.
Also, Mullens had NOS brass synchronizer blocking rings available at a reasonable price. I found there is a huge difference between the construction of NOS and the repro. The NOS are much sharper and defined. I dont know if it will make a difference in shifting but they are so inexpensive its worth having them in your synchro.
When you get a small parts kit it should have a synchro rebuilding set of springs.
The rebuilding guide referenced by Wes and also the video which is about $5 made the rebuild straitforward.
Tom |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Mon Mar 09, 2009 8:37 am Post subject: T90 |
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Thanks guys.
Wes, I have been using that link as my guide for rebuilding. I have also sent a couple of emails regarding the rebuild video with no response.
Tom, I'll take your advice and get some NOS syncro rings. The cluster gear that I picked up is NOS. I fully expected the small parts kit that I ordered to have the syncro rings included. That's what I get for not asking. Replacing the syncro rings was always part of the plan. I had not planned on replacing the 2nd gear as it looks good.
Dave |
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