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Discussion Topic:
Serial numbers and car codes
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sq1954 |
07-18-2025 @ 7:45 AM
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New Member
Posts: 107
Joined: Jan 2017
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The dark blue engine paint was not used until 1942. The 1941 Mercury engine and transmission were still painted green.
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sq1954 |
06-26-2025 @ 10:44 PM
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New Member
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They stamped the number on the frame and again on the top of the bell housing. Ford quit stamping the number on the bell housing in 47 or 48. If someone has changed out the transmission then you may not have matching numbers with the frame number.
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sq1954 |
06-26-2025 @ 10:36 PM
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New Member
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I have a 39-40 Mercury block with the milled top of the block and 99A stamped on it. It does does not have sleeves.
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sq1954 |
06-26-2025 @ 10:30 PM
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All the 41 Mercurys had the raised deck for the intake manifold. No 99A stamping. They also had raised flanges for the exhaust manifold. 41 Mercury lefthand exhaust manifold was 41 Mercury only.
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sq1954 |
06-26-2025 @ 10:21 PM
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New Member
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The engine color is not correct. The 1941 Mercury still used the engine color in green then changed to blur in 1942. I have verified that by two low milage all original 1941 Mercurys with 30k miles on them. One built in October of 1940 the other one built in August of 1941. Both of them had engine and transmissions painted green.
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sq1954 |
06-12-2025 @ 9:00 AM
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New Member
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Looking at my 41 Mercury registry your serial would be about May or June of 41. Check your glass bugs to see when it was made if it has the original glass in it.
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TomC750 |
12-05-2024 @ 6:22 PM
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TomO, Makes perfect sense. Thanks. TomE
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TomO |
12-05-2024 @ 4:40 PM
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Senior
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Joined: Oct 2009
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My understanding of why the serial number was stamped on the transmission and not the block is that Ford had an engine exchange program and the serial number would stay with the car. If your Ford V-8 needed to be rebuilt, Ford would exchange your engine with a rebuilt engine, resulting in much less down time.
Tom
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TomC750 |
11-29-2024 @ 1:48 PM
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Member
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Well, sure enough, my ser# was on the transmission, and it matches the # on the frame and the title. That still does not determine if my engine is original, but at this point I'll assume so, for one thing, the brake drums are like new and so much of the car seems not to be high mileage. TomE
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TomC750 |
11-27-2024 @ 7:06 PM
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Member
Posts: 38
Joined: Nov 2024
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I guess I think transmissions, as I broke the one in my original'41 and my brother broke the one in his '48. Gee, I wonder if it had anything to do with our driving style? As far as the engines go, you could eventually wear one out, but as long as you kept oil and water in one, they were impossible to blow up. Thanks Alan. TomE
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