The Ford Barn

Ol' Ron · 01-13-2015, 10:29 AM

I've never worked on a Canadian block that I know of. However, Ive been told by several people that these blocks are heaver than their American counter part han have thicker cylinder walls. Be interesting to know if any of this is true???

G32 · 01-13-2015, 11:27 AM

Quote:

Originally Posted by 38 coupe

I think you have a 39-40 motor. I would be very surprised if Canada introduced the larger bearings and longer crank before US production did. These changes were made when the Mercury was introduced.

Thanks 38 coupe.
Maybe a separate thread for Canadian blocks?

Gene Tulsa

G32 · 01-13-2015, 12:31 PM

[QUOTE=gmanrides;1013886]Well the 51 Merc block is trash.

Gmanrides,
Is the "Merc" true ---4" stroke--merc pistons?

Gene Tulsa

gmanrides · 01-13-2015, 06:14 PM

Ron, Not sure if the block is heavier seems plenty heavy to me. I wonder how accurate a measurement one could get from the center water jacket to cylinder bore?

gmanrides · 01-13-2015, 06:27 PM

G32, I measured from the piston at the bottom of the stroke to the deck and was right at 4". The guy at the machine shop said it was a 3.75 crank. I am not sure how that could be. I am out of town with work but when I get back I am going by and compare my components with that off a Ford 8BA. I have a buddy that has one disassembled and I have talked him out of it so it would be great to compare apples to apples and oranges to oranges. Hopefully the block is good and I can clear up this confusion in my head.

Bored&Stroked · 01-13-2015, 08:06 PM

Sponsored Links (Register now to hide all advertisements)

RE: Oiling - Cross Port Not Plugged

I've recently been building a 1942 Merc engine that saw service in WWII - probably in some stationary device. Anyway, it has the return line port just like your block and the cross-over tube was not plugged. (I've never seen one plugged from the factory?).

What was interesting is that it had the brass fittings for the external oil filter - the one that picks up the oil out of the block was very interesting. Below the threaded area, it has a longer (smooth tube) area that is designed to go through the cross-shaft hole and index on the lower hole (vertically oriented).

This tubing extension blocks off the cross-extension hole and directs all the oil to the filter. This is the first time I've actually seen one of these fittings - kind of answered the question of what the heck directs the oil to the filter - such that it can then be routed back to the engine and plumbed into the second hole?

If anybody is interested, I can take a picture. This seems like an easy way to direct oil flow - and is how the engines must have been configured from the factory.

Bypass valve: does anybody have one of these? I'd love to see one and go through it!

B&S

gmanrides · 01-13-2015, 08:25 PM

I am interested and would like to see a picture.

meric42 · 01-13-2015, 09:00 PM

Quote:

Originally Posted by gmanrides

I am interested and would like to see a picture.

Me too

Ol' Ron · 01-13-2015, 10:15 PM

I've seen one of these a few years back and I think they have a 1/4 line. I rreally like to use 3/8 so I enlarge the hole to 3/8NPT

38 coupe · 01-15-2015, 04:08 PM

Are you going to pull the pan? I'd love to know what size mains are in that block. I still think it is '39 and will have the large mains. Wouldn't it be interesting if I was wrong?

gmanrides · 01-16-2015, 12:03 AM

I have not planned on it but what the heck. I may get a chance this weekend. I have to fix momma's Jeep 1st though. LOL.

Campbell Cartel · 03-09-2024, 11:19 PM

Quote:

Originally Posted by Brian

That is indeed a Canadian block. The number cast in front of #1 cylinder will give a positive ID of what year.

What's the key for deciphering this number (cast in front of #1 cylinder)?

What number would a 1947 block have??

Thanks!

Brian · 03-09-2024, 11:32 PM

38 coupe, it'll have the large dia mains, because it's got the long crank snout. All 24 stud engines with the long crank snout run the large journal cranks. If you find a 24 stud engine with short snout, it is the early 38 engine and runs the same crank as the later 21 stud engines [LB 36,37,38]

Newc · 03-10-2024, 01:17 PM

Canada Ford made thousands of Flathead MILITARY engines. Many had extra oil ports for oil coolers [carrier engs], My '48 114X has a '41 military eng [3 3/16"- releaved] . Surplus engs used in Production vehicles. Newc

38 coupe · 03-10-2024, 05:09 PM

Quote:

Originally Posted by Brian

38 coupe, it'll have the large dia mains, because it's got the long crank snout. All 24 stud engines with the long crank snout run the large journal cranks. If you find a 24 stud engine with short snout, it is the early 38 engine and runs the same crank as the later 21 stud engines [LB 36,37,38]

The long snout indicating large mains was my thoughts at the time (back in 2015), which was why I was thinking 39-40 motor.

The opposite happened though, Ford Germany produced a few short snout large bearing cranks after breaking away from Ford USA due to starting a world war.

glennpm · 03-11-2024, 12:12 PM

From pages 69 to 74 of the TECHNO link in my signature below and attached extracted pages.

Glenn

Westernswede · 03-17-2024, 05:37 PM

It's good to have a plan and a back-up plan. They say I need nine posts before I can come up with a plan. Thanks for your help.

01-13-2015, 10:29 AM	#21
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,860	Re: Canadian Flathead? I've never worked on a Canadian block that I know of. However, Ive been told by several people that these blocks are heaver than their American counter part han have thicker cylinder walls. Be interesting to know if any of this is true???

01-13-2015, 12:31 PM	#23
G32 Senior Member Join Date: May 2010 Posts: 258	Re: Canadian Flathead? [QUOTE=gmanrides;1013886]Well the 51 Merc block is trash. Gmanrides, Is the "Merc" true ---4" stroke--merc pistons? Gene Tulsa

01-13-2015, 06:14 PM	#24
gmanrides Senior Member Join Date: May 2012 Location: Ashland City, TN Posts: 130	Re: Canadian Flathead? Ron, Not sure if the block is heavier seems plenty heavy to me. I wonder how accurate a measurement one could get from the center water jacket to cylinder bore?

01-13-2015, 06:27 PM	#25
gmanrides Senior Member Join Date: May 2012 Location: Ashland City, TN Posts: 130	Re: Canadian Flathead? G32, I measured from the piston at the bottom of the stroke to the deck and was right at 4". The guy at the machine shop said it was a 3.75 crank. I am not sure how that could be. I am out of town with work but when I get back I am going by and compare my components with that off a Ford 8BA. I have a buddy that has one disassembled and I have talked him out of it so it would be great to compare apples to apples and oranges to oranges. Hopefully the block is good and I can clear up this confusion in my head.

01-13-2015, 08:06 PM	#26
Bored&Stroked Senior Member Join Date: Jan 2011 Location: Central Ohio Posts: 5,070	Re: Canadian Flathead? Sponsored Links (Register now to hide all advertisements) RE: Oiling - Cross Port Not Plugged I've recently been building a 1942 Merc engine that saw service in WWII - probably in some stationary device. Anyway, it has the return line port just like your block and the cross-over tube was not plugged. (I've never seen one plugged from the factory?). What was interesting is that it had the brass fittings for the external oil filter - the one that picks up the oil out of the block was very interesting. Below the threaded area, it has a longer (smooth tube) area that is designed to go through the cross-shaft hole and index on the lower hole (vertically oriented). This tubing extension blocks off the cross-extension hole and directs all the oil to the filter. This is the first time I've actually seen one of these fittings - kind of answered the question of what the heck directs the oil to the filter - such that it can then be routed back to the engine and plumbed into the second hole? If anybody is interested, I can take a picture. This seems like an easy way to direct oil flow - and is how the engines must have been configured from the factory. Bypass valve: does anybody have one of these? I'd love to see one and go through it! B&S

01-13-2015, 08:25 PM	#27
gmanrides Senior Member Join Date: May 2012 Location: Ashland City, TN Posts: 130	Re: Canadian Flathead? I am interested and would like to see a picture.

01-13-2015, 10:15 PM	#29
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,860	Re: Canadian Flathead? I've seen one of these a few years back and I think they have a 1/4 line. I rreally like to use 3/8 so I enlarge the hole to 3/8NPT

01-15-2015, 04:08 PM	#30
38 coupe Senior Member Join Date: May 2010 Location: South Texas Posts: 1,631	Re: Canadian Flathead? Are you going to pull the pan? I'd love to know what size mains are in that block. I still think it is '39 and will have the large mains. Wouldn't it be interesting if I was wrong?

01-16-2015, 12:03 AM	#31
gmanrides Senior Member Join Date: May 2012 Location: Ashland City, TN Posts: 130	Re: Canadian Flathead? I have not planned on it but what the heck. I may get a chance this weekend. I have to fix momma's Jeep 1st though. LOL.

03-09-2024, 11:32 PM	#33
Brian Senior Member Join Date: May 2010 Location: Masterton, New Zealand Posts: 3,834	Re: Canadian Flathead? 38 coupe, it'll have the large dia mains, because it's got the long crank snout. All 24 stud engines with the long crank snout run the large journal cranks. If you find a 24 stud engine with short snout, it is the early 38 engine and runs the same crank as the later 21 stud engines [LB 36,37,38] __________________ Unfortunately, two half wits don't make a whole wit!

03-10-2024, 01:17 PM	#34
Newc Senior Member Join Date: May 2010 Posts: 2,488	Re: Canadian Flathead? Canada Ford made thousands of Flathead MILITARY engines. Many had extra oil ports for oil coolers [carrier engs], My '48 114X has a '41 military eng [3 3/16"- releaved] . Surplus engs used in Production vehicles. Newc

03-17-2024, 05:37 PM	#37
Westernswede Junior Member Join Date: Mar 2024 Posts: 19	Re: Canadian Flathead? It's good to have a plan and a back-up plan. They say I need nine posts before I can come up with a plan. Thanks for your help.