Tacoma M38A1 Project

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

I've recently acquired my project jeep. It spent more than 30 years being operated as an orchard vehicle in eastern Washington (for a short time by me when I was a much younger man). The past 8 - 10 years, it just sat outside. Pretty beat up but mostly there. Somewhere along the line it had been converted to 12 volt. 15 inch wheels, a lever lock and electric fuel pump have been added.

The bad: A very dirty fuel tank with pinhole leaks; butterscotch pudding in the trans and transfer; inoperable brakes; non-existent e-brake; broken glass in passenger side pane; smashed lens in original speedo; missing speedo cable; broken original ammeter gauge; head pipe was replaced with a flex pipe; floor under fuel tank rotted out; certain other rust points behind support bows; various oil leaks from engine rear seal, trans rear seal, etc..

The good: The hurricane engine starts and idles (possible original); still has original pintle hitch; wheels still air tight; hood good.

The plan? Get it titled; get it safely streetable; stop the rust; leave the patina (for now); drive it to geezer coffee.

Photos in my member album;
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album441&op=modload&name=gallery&file=index&include=view_album.php
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Steve M38A1

Bretto · Member Joined: Nov 24, 2010 Posts: 1390 Location: Orem, UT

Welcome.

Looks like you got yourself some work to do. Is that OD paint I see in the tub? I wonder if you might be able to recover the hood numbers.

"Butterscotch pudding". Are you implying there is water/rust/oil mix in the boxes? That could mean they might be up for a rebuild if thing are too far gone.

I'm curious of what's going on with the yellow CJ the background. The dash and windshield look a bit unusual.

Brett
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Brett
'51 M38
PHOTO DIARY OF MY BUILD

wesk · Posted: Fri Mar 13, 2015 8:12 am Post subject:

That's a 60's vintage CJ5 with the parts of it's hardtop piled in it and no windshield. That odd yellow flat thing with two small rectangular windows I do not believe it to be a windshield.
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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

RICKG · Member Joined: Aug 31, 2010 Posts: 1740 Location: SO IDAHO

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

Yes, lots of work.
Yes, that's OD paint in the tub. Also under dash, under that black paint on the windshield and elsewhere.
The yellow jeep does appear to be a CJ. The windshield and other pieces is for some other orchard vehicle. There are other parts missing but it does have the hurricane engine; condition unknown.

Thanks all for your comments.
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Steve M38A1

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

Some progress.
Drained the butterscotch pudding from the transmission and filled it with ATF.
Drained the almost "drinkable" water from the transfer case and filled it with ATF.
What's the best way to visually check the transfer case internals for rust without removing the unit?

Brake master cylinder is not good. piston appears to be frozen in the innermost position. I'll be removing it soon to take a good look at it and researching the rebuild or replace opportunities.

Oh, yes! Found a rebuild tag on the engine block indicating a rebuild in 1966. And one on the transmission indicating a rebuild in 1963.
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Steve M38A1

wesk · Posted: Fri Mar 20, 2015 7:40 am Post subject:

Is there a reason why you are running ATF (Automatic Transmission Fluid) in antique gear boxes designed for use with 90 WT Gear Oil?
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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

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

Not running it with ATF.

ATF to displace water and treat metal. Left it in for 4 days then let drain for 2 days, then filled with good old 90 WT gear oil..

It won't be drivable until I visually inspect the transfer case innards and fix the brakes.
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Steve M38A1

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

I just noticed my fenders are not an exact mirror of left and right. The right fender has what appears to be an extra sheet of metal on the rear joint. I looked at other member photos and see consistency from side to side. The logical assumption is that one is a replacement. I seem to recall reading somewhere about early and late designs. I'll have to find that reference.
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Steve M38A1

wesk · Posted: Thu Mar 26, 2015 9:34 pm Post subject:

There are tons of information buried here on our web site pages. Don't hesitate to research your questions on our Downloads Page and in the photo albums. Especially my album. Which is #2 on the first page. 100's of technical photos.
http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php

For example once you open my album go to the 4th sub-album: M38A1, M170, M38A1 CDN Survey guide. There you will find these two photos:

More than 60% of your questions can be answered by just using the resources we have here.
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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

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

Thank you Wes. I remember those pics. Mine has an early fender on the left and a late fender on the right. Replacement of one side or the other, probably.

Question: In your photo of the "Early" fender, I see what looks like an electrical connection in the "dog dish". What is that for?

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Steve M38A1

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

Yay! Now I know the year (1952) and, with a little luck, having the title will save me some hassle when I apply for the new title.

I still don't know the original chassis number because it has a WA DOL retag riveted over the location on the frame rail.

All other military brass plates are missing.

The engine code is 4 digits. It has a military depot rebuild tag dated 5-66. That makes me think the engine is original and I'm beginning to wonder if this is a very early version of this vehicle.
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Steve M38A1

wesk · Posted: Sat May 09, 2015 11:31 pm Post subject:

Military depot rebuilds were stocked after the depot overhaul in regional supply centers and then shipped to a needy motor pool when an engine change came up. I doubt that engine is original to your jeep. US military M38A1's had no frame serial numbers stamped on them by Willys or Kaiser. If you have a WA state assigned number plate riveted over what you think is another number that number is simply a frame sheet part number.

Based on your grill type she's a late 53 or newer unit. Where did you get the 1952 info from?

The slave cable plug is in that recess.

Do you have the top or bottom battery cover?

Which of these three type frames do you have?
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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

SteveS · Member Joined: Mar 12, 2015 Posts: 10 Location: Tacoma, WA

Thanks, Wesk.
Mine has the 6 holes with weld nuts and the large cutout on the inside of the frame rail.
The 1952 date is from the original title.
Wasn't there a stamped serial number on the top face of the frame rail to the rear of the left side engine mount? That's the location of the WA DOL retag. I see what looks like a frame part number on the outside face of the frame rail near that location and a corresponding number (different, of course) on the outside face of the passenger side frame rail.
Re: engine numbers. I think I understand. Let me restate to confirm. You are saying an engine that needs an overhaul would be replaced by an engine that was overhauled previously. And the replacement engine could very well have an earlier number than original.
Re: grill and battery box cover. My frame has the hinge bolt holes with the weld nuts. My battery box cover has the single strap with the spring clip but the body has the eight holes with weld nuts for the older style cover.
Is it possible my jeep was produced on the cusp of the model change and has a mix of old and new M38a1 styles?
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Steve M38A1

wesk · Posted: Mon May 11, 2015 10:30 pm Post subject:

Positively NO WILLYS FACTORY STAMPED SERIAL NUMBERS on M38 and M38A1 and M170 frames.

When a jeep engine needed major repair or overhaul it was usually removed and replaced with a recent Army Depot overhauled engine or a replacement factory new engine depending on what the supply system had available at the time. Either the rebuilt engine (MDXXXXX) or the new factory replacement (RMDXXXXX) could end up being a newer or older serial number. Also remember! ! Engine serials of M38's M38A1's and M170's DID NOT MATCH the serials for the body.

It is more likely your tub came with a bolt on cover which was replaced by the latch cover.
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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


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