Ford GPA vs Ford GPW radiator (inside photos)

1941 - 1945, MB, GPW Technical questions and discussions, regarding anything related to the WWII jeep.
Klaas
Sergeant Major of the Gee
Sergeant Major of the Gee
Posts: 331
Joined: Thu Oct 25, 2018 4:38 am
Location: Netherlands

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by Klaas » Mon Oct 21, 2019 2:25 am

Hi Yves,
A very good address for the new core is this one in the south of the Netherlands (Den Bosch): http://www.radiateur.nl/pages/open_rsb.htm
They are very knowledgable about old cars and their radiators.
They rebuilt my original GPW radiator to new condition and guarantee the work they do.
Increased the number of tubes in the matrix for better cooling when towing as well. I run at a steady 170 degrees F now.
Also rebuilt a GPA radiator for a friend with the 4 row matrix.
Not cheap but well recommended.
Klaas
GPW17331 - DOD april 21 1942 - Dallas
BSA Airborne Bicycle R45105
BSA Airborne Bicycle R49171


User avatar
YLG80
G-Brigadier General
G-Brigadier General
Posts: 2178
Joined: Fri Aug 05, 2011 10:45 am
Location: near Namur, Belgium
Contact:

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by YLG80 » Mon Oct 21, 2019 5:00 am

Klaas wrote:
Mon Oct 21, 2019 2:25 am
Hi Yves,
A very good address for the new core is this one in the south of the Netherlands (Den Bosch): http://www.radiateur.nl/pages/open_rsb.htm
They are very knowledgable about old cars and their radiators.
They rebuilt my original GPW radiator to new condition and guarantee the work they do.
Increased the number of tubes in the matrix for better cooling when towing as well. I run at a steady 170 degrees F now.
Also rebuilt a GPA radiator for a friend with the 4 row matrix.
Not cheap but well recommended.
Thank you very much for that information. Do you have an idea about the budget?
If they have already made a GPA radiator that' a first choice !
I'm going also to ask for a quotation in France (Sud Ouest Radiateurs ( https://www.sud-ouest-radiateurs.com/en/home/ )
Yves
Ford GPW 164794 1/4T 12-7-43 - Frame# GPW*239762*
ACM I body#198443
Restored as 1st Army 759th LT B21
ON6YD(ex YB1AUH) MVPA38444

Klaas
Sergeant Major of the Gee
Sergeant Major of the Gee
Posts: 331
Joined: Thu Oct 25, 2018 4:38 am
Location: Netherlands

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by Klaas » Mon Oct 21, 2019 8:34 am

My GPW radiator cost almost 540 euro's inclusive of tax. For that money they de-soldered the old radiator, cleaned and repaired the tanks and strengthened the top tank on the inside with an extra rib, replaced the old and worn matrix with a new higher capacity 3 row matrix, tinned both tanks inside and out and assembled, painted and pressure tested the "new" radiator. Also repaired the overflow pipe and straightened the water inlet and outlet pipes and supplied the two coach bolts to fix the radiator to the frame. It is now better than new and should last another 75 years! :D
I expect a GPA radiator will be more expensive as the 4 row matrix will be more money than a 3 row.
Also depending on the brackets: will it be set up for a GPW or with the different brackets for the GPA (repro GPA brackets are available from some dealers)
Klaas
GPW17331 - DOD april 21 1942 - Dallas
BSA Airborne Bicycle R45105
BSA Airborne Bicycle R49171

User avatar
YLG80
G-Brigadier General
G-Brigadier General
Posts: 2178
Joined: Fri Aug 05, 2011 10:45 am
Location: near Namur, Belgium
Contact:

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by YLG80 » Wed Oct 23, 2019 7:47 am

[@Klaas]
Thank you very much for that information.
I've also requested a budget quotation to SOR in France.
I will tell you what they propose.

On my GPA radiator, the brackets on each side have been cut off for a GPW.
That's should not be a big deal to weld a new steel plate of the correct dimension with the hole for the GPA.
Yves
Ford GPW 164794 1/4T 12-7-43 - Frame# GPW*239762*
ACM I body#198443
Restored as 1st Army 759th LT B21
ON6YD(ex YB1AUH) MVPA38444

Klaas
Sergeant Major of the Gee
Sergeant Major of the Gee
Posts: 331
Joined: Thu Oct 25, 2018 4:38 am
Location: Netherlands

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by Klaas » Wed Oct 23, 2019 11:03 am

Hi Yves, the firm in question did the same thing on the GPA radiator for my friend. They will need the dimensions for the brackets and the hole position however.
Klaas
GPW17331 - DOD april 21 1942 - Dallas
BSA Airborne Bicycle R45105
BSA Airborne Bicycle R49171

Chuck Lutz
Gee Addict
Posts: 26833
Joined: Wed Jun 28, 2006 8:00 am
Location: Novato, CA

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by Chuck Lutz » Wed Oct 23, 2019 2:13 pm

Just for comparisons sake, here is a GPW radiator core:
GPW Core 38 Tubes in Each Row.jpg
GPW Core 38 Tubes in Each Row.jpg (31 KiB) Viewed 400 times
38 tubes in each of the three rows, 19 on either side of the center...
Chuck Lutz

GPW 17963 4/24/42 Chester, PA. USA 20113473 (USA est./Tom W.)
Bantam T3-C 1947

Klaas
Sergeant Major of the Gee
Sergeant Major of the Gee
Posts: 331
Joined: Thu Oct 25, 2018 4:38 am
Location: Netherlands

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by Klaas » Wed Oct 23, 2019 11:24 pm

Hi Chuck, do you know the reason for the "missing" central tube in the rearmost row of the GPW core?
Klaas
GPW17331 - DOD april 21 1942 - Dallas
BSA Airborne Bicycle R45105
BSA Airborne Bicycle R49171

Chuck Lutz
Gee Addict
Posts: 26833
Joined: Wed Jun 28, 2006 8:00 am
Location: Novato, CA

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by Chuck Lutz » Thu Oct 24, 2019 10:42 am

I believe the design is such that no tube is exactly behind another so that airflow through the gaps is directed to each row. That is my understanding of the design.
Chuck Lutz

GPW 17963 4/24/42 Chester, PA. USA 20113473 (USA est./Tom W.)
Bantam T3-C 1947

User avatar
YLG80
G-Brigadier General
G-Brigadier General
Posts: 2178
Joined: Fri Aug 05, 2011 10:45 am
Location: near Namur, Belgium
Contact:

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by YLG80 » Thu Oct 24, 2019 1:59 pm

Klaas wrote:
Mon Oct 21, 2019 8:34 am
My GPW radiator cost almost 540 euro's inclusive of tax. For that money they de-soldered the old radiator, cleaned and repaired the tanks and strengthened the top tank on the inside with an extra rib, replaced the old and worn matrix with a new higher capacity 3 row matrix, tinned both tanks inside and out and assembled, painted and pressure tested the "new" radiator. Also repaired the overflow pipe and straightened the water inlet and outlet pipes and supplied the two coach bolts to fix the radiator to the frame. It is now better than new and should last another 75 years! :D
I expect a GPA radiator will be more expensive as the 4 row matrix will be more money than a 3 row.
Also depending on the brackets: will it be set up for a GPW or with the different brackets for the GPA (repro GPA brackets are available from some dealers)
Hi Klaas,
I've got the quote from the French company S.O.R. : 480 euro excl VAT or about 580 € VAT included providing that the tanks are OK and reusable.
The core would be the exact copy of the original GPA 4 tubes cores. One week delay to complete the order.
I need to ask if the radiator would be painted after repair.
Yves
Ford GPW 164794 1/4T 12-7-43 - Frame# GPW*239762*
ACM I body#198443
Restored as 1st Army 759th LT B21
ON6YD(ex YB1AUH) MVPA38444

User avatar
YLG80
G-Brigadier General
G-Brigadier General
Posts: 2178
Joined: Fri Aug 05, 2011 10:45 am
Location: near Namur, Belgium
Contact:

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by YLG80 » Thu Oct 24, 2019 2:04 pm

Brackets cut off for a GPW
IMG_9073-1.JPG
IMG_9073-1.JPG (140.4 KiB) Viewed 366 times
Ford GPW 164794 1/4T 12-7-43 - Frame# GPW*239762*
ACM I body#198443
Restored as 1st Army 759th LT B21
ON6YD(ex YB1AUH) MVPA38444

Klaas
Sergeant Major of the Gee
Sergeant Major of the Gee
Posts: 331
Joined: Thu Oct 25, 2018 4:38 am
Location: Netherlands

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by Klaas » Thu Oct 24, 2019 10:44 pm

YLG80 wrote:
Thu Oct 24, 2019 1:59 pm
Klaas wrote:
Mon Oct 21, 2019 8:34 am
My GPW radiator cost almost 540 euro's inclusive of tax. For that money they de-soldered the old radiator, cleaned and repaired the tanks and strengthened the top tank on the inside with an extra rib, replaced the old and worn matrix with a new higher capacity 3 row matrix, tinned both tanks inside and out and assembled, painted and pressure tested the "new" radiator. Also repaired the overflow pipe and straightened the water inlet and outlet pipes and supplied the two coach bolts to fix the radiator to the frame. It is now better than new and should last another 75 years! :D
I expect a GPA radiator will be more expensive as the 4 row matrix will be more money than a 3 row.
Also depending on the brackets: will it be set up for a GPW or with the different brackets for the GPA (repro GPA brackets are available from some dealers)
Hi Klaas,
I've got the quote from the French company S.O.R. : 480 euro excl VAT or about 580 € VAT included providing that the tanks are OK and reusable.
The core would be the exact copy of the original GPA 4 tubes cores. One week delay to complete the order.
I need to ask if the radiator would be painted after repair.
Yves
Hi Yves,
So that is in the same price range. Worth getting a quote for your GPA radiator from the Dutch company to see if they will match the French quote.
Will you go personally to bring and collect your radiator, so you can discuss options (and make sure the rad. does not get damaged in transport)?
Best of luck!
Klaas
GPW17331 - DOD april 21 1942 - Dallas
BSA Airborne Bicycle R45105
BSA Airborne Bicycle R49171

User avatar
YLG80
G-Brigadier General
G-Brigadier General
Posts: 2178
Joined: Fri Aug 05, 2011 10:45 am
Location: near Namur, Belgium
Contact:

Re: Ford GPA vs Ford GPW radiator (inside photos)

Post by YLG80 » Fri Oct 25, 2019 3:32 am

Klaas wrote:
Thu Oct 24, 2019 10:44 pm
Hi Yves,
So that is in the same price range. Worth getting a quote for your GPA radiator from the Dutch company to see if they will match the French quote.
Will you go personally to bring and collect your radiator, so you can discuss options (and make sure the rad. does not get damaged in transport)?
Best of luck!
Yes I'm going to request also a quotation form the Dutch company.
I have a good packaging for that radiator, coming from repo GPW radiator bought to replace that GPA radiator.
So I will ship the radiator via a carrier.
Before that, I need to find/calculate the dimensions of the brackets and restore them.
Ford GPW 164794 1/4T 12-7-43 - Frame# GPW*239762*
ACM I body#198443
Restored as 1st Army 759th LT B21
ON6YD(ex YB1AUH) MVPA38444


Post Reply

Return to “MB GPW Technical Knowledge Base”

Who is online

Users browsing this forum: Bob Moyle, Google [Bot] and 28 guests