BenBuick38

41 Buick data plate decode

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Hi i have a new project car for next winter

Does someone have a resourse to help me decode this cars data plate

 

Buick Super 56S Sport Coupe

1941 Model 56S

Style No:41-4527

Body No:C1237

Trim  No:905

Paint No:564  Monteray Blue

 

Vin:23993874

 

Engine no:70215714

 

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Edited by BenBuick38 (see edit history)

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23993874

2 = built at South Gate, CA

3993874 = sequential number, range was 3,892,008 to 4,245,877 for South Gate, CA for 1941

 

 

70215714

7021571 = sequential number, starting at 6,950,620 for 1953

4 = Series 40/Special (I8 263)

 

 

 

1941 MOD. 56S

STYLE No 41-4527

BODY No C 1237

TRIM No 905

PAINT No 564

 

 

1941 = 1941 model year

 

MOD. 56S

56S = 2-door sport coupe with full rear seat, 6-passenger

 

STYLE No 41-4527 = Fisher body style number

41 = 1941 model year

4527 = Fisher body style number

4 = Buick

5 = Series 50 (Super)

27 = 2-door sport coupe with full rear seat, 6-passenger

 

 

BODY No C 1237

C  = body built at South Gate, CA

1237 = 1237th 4527 built at South Gate, CA

 

Trim 905 = Grey Bedford Cord (2 Tone), available on models 44C, 51, 51C, 56C, 56S, replaced 904 after approx. the first 4600 cars

 

Paint code 564 = solid Monterey Blue Metallic

 

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That engine number doesn't seem right to me. The first digit being a 7 indicates a Roadmaster 320, which obviously wouldn't fit in this car. Perhaps a replacement engine or an engine from another car? A Super engine would have a 5 as the first digit. Can anyone look up sequence numbers and perhaps narrow down a date of manufacture?

 

How I miss my friend Dave Corbin.

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For 1941 and earlier the series digit is on the left and for 1942-1956 the series digit is on the right.  Taking that into consideration, the sequence number indicates the engine is from an 1953 Special, making it a 263.  So it seams the engine is not original to the car.  See my post above.

Edited by sean1997 (see edit history)
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Not a 320, but a 263.  The 320 is about 6 inches longer than the 263, which is the same size as the 248 that would have been in the car originally.

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Oops, I'm sorry, Sean, I didn't see that you'd already addressed the engine number in your first post. Thanks for the clarification!

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The 263 ci will have 4 stud threaded holes on the side of the crankcase that were used for the engine mounts. When a later engine is installed in an earlier car these are not used.  The 263ci is a better engine.

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If the 263 I8 engine was introduced in 1950, and this re-engined 1941 model had an I.D. plate that matches that engine and not the original one, does that mean that the newer engine was dealer installed and that they re-badged it when the retrofit was completed? Seems to me that would make this a semi-legitimate upgrade with a warranty to go with it back then.

 

Also, was the engine painted a grey color to siginify that it was a replacement as opposed to the factory red or blue?

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 1967-1997, Sean identified the ENGINE from the engine number on the block, I believe, not the I.D. [data] plate. The valve cover looks to be black, which all post war I 8's I have seen seem to have been primed with. Too bad the turquoise paint did not last as long.

 

  The engine picture shown for sure has a ,49 or later valve cover installed as evidenced by the saddle for the air cleaner. Of course that means nothing. The water pump to block connector, I believe, started in '50. A pic of the mounting pads, preferably driver side, would confirm what Sean has said. 

 

  Ben

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More pictures of the engine ,Why is the 263 better than 240, whats the diffrence, and the 1953 was the last year of the straight 8attachicon.gif23.jpgattachicon.gif26.jpg //Bt

OK, visual confirmation!!  In image 1, the side engine mount is clearly visible.  These FIRST came in 1948. Just to the right of the pad can be seen a rib on the block. These are ONLY on a 263, which came out in 1950, in the Super. So therefore , a 263, 1950 or later. Sean has confirmed it as a 1953, and yes, last year of Straight Eight, in the Special only.

 

  Ben

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Thank you all ,,now i know what i have bought ...

Just to wait for the Buick to arrive home to me , so i can do a frame off renovation next winter ..

 

More pictures will come , when it arrives //Bt

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