Restoration thread for GPW 12078 Script

Feb, 1942 - GPW1 thru end of first contract, April, 1942 - GPW15000 NO EBAY or COMMERCIAL SALES.
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lt.luke
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Tue Aug 20, 2013 5:36 am

Schultzd wrote:Luke.

It had a large glob of brazing that couldn't be removed or made to look good.

Dan
Exactly my fear. And I'm sure despite being told "if it doesn't look good, I'm not paying". It would look terrible and I'd pay.

Was it at least functional after being repaired?
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Re: Restoration thread for GPW 12078 Script

Post by Rml1708 » Tue Aug 20, 2013 5:52 am

Luke,

the repair will be functional, it will just be visible. Is this what is holding you up getting on the road or just another step in the process of restoration. Brazing will work until you can find a replacement manifold. If you want the repop or a non ford manifold that will work fine too, or you can patiently wait until you find another useable ford manifold. it boils down to your schedule

Robert
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Tue Aug 20, 2013 6:15 am

Rml1708 wrote:Luke,

the repair will be functional, it will just be visible. Is this what is holding you up getting on the road or just another step in the process of restoration. Brazing will work until you can find a replacement manifold. If you want the repop or a non ford manifold that will work fine too, or you can patiently wait until you find another useable ford manifold. it boils down to your schedule

Robert
when I get home, it will be a significant hold-up to first start-up, but not really "on the road". It's the WO/non-Ford part on an attempt at a Factory resto that's holding me up, along with potential quality issues of a repro. If the repros are good quality, the appeal of a brand new part is certainly strong, especially when it's subjected to so much heat and stress. The old ones are all bound to fail sooner or later.

Perhaps some work with a die grinder could be done to "create" a Ford marked repro?
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Re: Restoration thread for GPW 12078 Script

Post by Rml1708 » Tue Aug 20, 2013 6:30 am

Sounds to me that you start the search for a good usable Ford part. If a quick search does not find a part then braze it up and use it until an appropriate replacement is found. As you probably know these things are not readily available. There was a nice one on Ebay here last week that sold in the $80ish range. After I find my replacement manifold I will let ya have the next one. My manifold is missing a section of the bolt hole on the rear most mounting hole. I have had a leisurely search for the last few years and still haven't bought one.

Robert
Pacific Washington
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1953 M38a1 'Dagwood'
1952 M100
1943 WC-52
1941 Nash-Kelvinator Ben Hur trailer
6/1/44 MB 337296 "SaMaKa"
9/42 GPW63323 "Sylvia"
9/42 Bantam trailer 9663B (in work)
http://www.surfacezero.com/g503/showgallery.php?cat=962" onclick="window.open(this.href);return false;

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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Tue Aug 20, 2013 8:26 am

$80-range is a good price for a serviceable one. BTW, I was told by a guy on FB G503 page that he repaired one with the bolt hole broken and it looks fine, after some grinding. I suspect that's the "easy" side to fix.
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Wed Aug 28, 2013 11:53 pm

I've just scanned the thread, and it looks like several photos are corrupted. I don't know of any way to fix them. If no one has suggestions, I'll go through and delete them. Aside from adding color to the thread, they are useless and distracting.
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Sun Aug 17, 2014 8:14 pm

She made smoke today! Didn't run long eniugh to take video, but the fuel pump picked up fuel. Great progress made this weekend!
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Fri Dec 19, 2014 12:38 pm

UPDATE. It has started in the past, but had to be bottle fed in order to stay running. Last night, I finally successfully filled the fuel bowl and the carb functioned as intended and she ran, on her own. I get around 60 PSI at current idle setting and 80+ PSI when it's throttled.

This weekend, I hope to get some water in the system and run it operating temperature.

https://www.youtube.com/watch?v=_-OOQQT ... e=youtu.be
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Re: Restoration thread for GPW 12078 Script

Post by 1943Willysgpw » Fri Jan 16, 2015 8:54 am

Awesome work. Nice video. I bet you are stoked to get it finished now.
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1945 GPW 247890 DoD 1-26-45 Louisville Plant
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Fri Jan 16, 2015 9:09 am

1943Willysgpw wrote:Awesome work. Nice video. I bet you are stoked to get it finished now.
Yes. Confirmed my wiring harness is on the way! I'm not sure I'm ready for it quite yet, but the funds were availible and the stock was availible.
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Thu Feb 05, 2015 8:13 pm

Dum question, which way does the data tag affix to the generator? Standing at the fender, tag upside down?
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Re: Restoration thread for GPW 12078 Script

Post by Chuck Lutz » Fri Feb 06, 2015 10:55 am

Luke:
When standing on the pass side and reading the genny tag:
1) GEG-5001A (Upside down)
2) GEG-5002D (Upside down)\
3) Ford (right side up)
4) GEG-5101D (right side up)

The early gennys were simply Dodge (or other application?) gennys and on the Dodge motor the genny is on the LEFT side of the motor which would, when mounted, have the tag right side up.

I believe your GPW-12078 would have had a GEG-5001A genny....which would have been too early for the Ford version of the GEG-5001A or the GEG-5002D gennys.
Chuck Lutz

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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Fri Feb 06, 2015 7:34 pm

Thanks Chuck.
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Re: Restoration thread for GPW 12078 Script

Post by lt.luke » Mon Mar 02, 2015 1:02 pm

Zwoodsman and I moved the tub onto some saw horses last weekend so I can access it better. I washed all the dust off of it this weekend, and I have a new wiring harness sitting on the shelf, and there should be a new firewall grommet set and firewall pad sitting at the house today or tomorrow.

I re-spot welded one of the tail light brackets as well this weekend. Time to apply some OD to a few parts (hopefully this week) so that work on the tub can commence!

There are a couple of holes to drill and a couple of broken bolts to extract, and of course LOTS of threads to chase!
Luke Sparks
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Re: Restoration thread for GPW 12078 Script

Post by 1943Willysgpw » Sun Jun 28, 2015 12:14 pm

Luke is cleaning out the tub the easy way.
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"None of us are as smart as all of us"

1942 GPW 1871 DoD 2-27-42 Dallas Plant
1945 GPW 247890 DoD 1-26-45 Louisville Plant
1942 GTB 136166 DoD 9-18-42
1942 GTB 135938 DoD
1952 M100

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