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tex42
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-- 12-13-2016 @ 5:32 AM
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I recently started restoring a 1941 ford pickup. This pickup belonged to my wife's father and has been setting in a field since the 50's. I am in the process of dismantling the truck and while getting ready to take the engine out I unbolted the intake manifold and upon removing it I noticed it was sure light. I then got my magnet and discovered it was aluminum. My question is did ford make aluminum intakes? Was this an after market part? I noticed some aluminum ones advertised on e-bay and they seem to indicate they are ford products.
This message was edited by tex42 on 12-13-16 @ 5:34 AM
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kubes40
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-- 12-13-2016 @ 5:39 AM
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Ford installed aluminum intakes through 1939 on some vehicles. They were "mixed in production" along with cast iron intakes. After 1939, all cast - no aluminum.
It is very possible someone may have installed an earlier (than your truck) intake and / or a different engine.
A photo of the intake (properly termed a valve chamber cover) may offer accurate identification.
A photo or two of the engine may go a long way in determining if it is authentic (proper year) to your vehicle.
This message was edited by kubes40 on 12-13-16 @ 5:40 AM
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tex42
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-- 12-13-2016 @ 6:01 AM
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Attached are some pictures
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tex42
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-- 12-13-2016 @ 6:03 AM
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Other oic
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tex42
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-- 12-13-2016 @ 6:04 AM
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Engine
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tex42
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-- 12-13-2016 @ 6:05 AM
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Bottom of intake
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JM
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-- 12-13-2016 @ 9:51 PM
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I would say that's a '37-'39 cast aluminum intake manifold, most likely originally used on a passenger car. See if you can find the date of manufacture cast on the bottom. I have a couple intakes that look exactly like yours, and one has a '37 date on the bottom.
John
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JM
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-- 12-13-2016 @ 9:53 PM
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Picture of bottom showing a cast in date
John
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JM
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-- 12-14-2016 @ 4:01 AM
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Picture of bottom showing a cast in date
John
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kubes40
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-- 12-14-2016 @ 6:13 AM
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A bit tough to tell year of engine from that photo but it appears (at least from that photo) that it is an earlier block, most likely 39 - 40. That may help explain the aluminum valve chamber cover which does appear to be 38 - 39.
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tex42
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-- 12-14-2016 @ 11:16 AM
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What is a good view so you can tell the year? I'm a novice with identifying year of flatheads. Can you interchange distributors among years?
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tex42
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-- 12-14-2016 @ 11:41 AM
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Could not find a date code on the bottom like yours. See pic.
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tex42
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-- 12-14-2016 @ 11:43 AM
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Jim, I did find a #1 with a circle around it on the top.
This message was edited by tex42 on 12-14-16 @ 11:46 AM
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tex42
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-- 12-14-2016 @ 11:49 AM
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Having problems posting pics. This is the bottom, no I'd #
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tex42
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-- 12-14-2016 @ 11:50 AM
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Also found a #2 on top
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tex42
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-- 12-14-2016 @ 11:52 AM
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Also a #2 on bottom
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supereal
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-- 12-14-2016 @ 1:51 PM
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I have one just like that sitting under my workbench. It came from a '39. I bought it years ago to get the carb that was on it because I needed the throttle linkage. There is a difference in fuel pump push rod lengths from cast iron version.
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tex42
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-- 12-14-2016 @ 4:21 PM
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Thanks for the information.
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kubes40
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-- 12-14-2016 @ 4:37 PM
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A photo from the side of the block - depicting a cylinder head. A photo of the area just above the timing gear cover. Both would help.
Distributors can be swapped between the years. An early distributor (37 - 41) can be installed on a 42 - 48 with a small adapter "button" to in effect lengthen the camshaft of the later engines.
Installing a later distributor (42-48) on an earlier engine (37 -41) requires an adapter plate that moves the distributor outward perhaps 3/8" or so.
Judging by the distributor caps in your photo, no doubt the correct, to 1941, distributor was being utilized at "last run".
I looked at your engine photo once again - very carefully, and think perhaps it may very well be the '41 engine. Maybe even the one authentic to that truck. Regardless, the manifold could have easily ben swapped through the years. The only "modification" truly necessary would have been a shorter (by 1") fuel pump push rod.
This message was edited by kubes40 on 12-14-16 @ 4:42 PM
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tex42
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-- 12-15-2016 @ 8:41 AM
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front of engine
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tex42
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-- 12-15-2016 @ 8:43 AM
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drivers side
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tex42
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-- 12-15-2016 @ 8:44 AM
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passenger side
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tex42
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-- 12-15-2016 @ 8:46 AM
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fuel push rod, it is 7 7/8 inches long. it also has some brazing on the bottom
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tex42
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-- 12-15-2016 @ 12:18 PM
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here is a better picture of the front of the engine
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kubes40
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-- 12-16-2016 @ 6:47 AM
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Thanks to your additional posted photographs, I can n0w tell you this much... that's a 1941 block for certain. The heads I believe are from a large (one ton & bigger) truck, circa 1941. The intake is '38 - '39.
To have an engine "built" this way is more typical than not. One must remember that these vehicles had little to nearly no value from the early 50's up through the late 60's and subsequently were repaired with whatever was available on the cheap. Even through the early 70's these vehicles saw little increase in value. Thus, even then, they were often repaired the same (on the cheap) way.
Please, don't be discouraged... this is typical and easy to restore properly. Or, if you should so decide, fix what ya got 
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tex42
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-- 12-16-2016 @ 2:00 PM
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Thanks for the info. The truck belonged to my father-in-law. He was a dirt poor farmer and had little money. I am sure he bought the truck at a farm sale and he had 4 sons that drove the truck hard. You should have seen the many welds, fenders bed, tailgate, bumpers, etc. as they say, "it was drove hard and put up wet". Or was that horses? I am going to fix it up for my grandson who is 13. It will not be a show truck. Will probably put in a modern drive train, though as a purest restorer, it hurts. My wife's dad also had a 42 Tudor that I have restored. It will not leave the family.
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dean333
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-- 12-26-2016 @ 12:35 PM
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I have a cast iron intake as well as a 40 gas tank if you need either or both.
TIM CARLIG
This message was edited by dean333 on 12-26-16 @ 12:36 PM
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ken ct.
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-- 12-26-2016 @ 4:27 PM
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You also CANNOT use a 94 type carb on that manifold W/O blocking off that hole in the mount inbetween the 2 front studs. You will cook the power valve in a ford or holley type carb. The manifold was really made for a 37 to early 38 engine. Hole wont bother a Stromberg as that's what it was made for. ken ct.
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