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1971 cutlass sx 442 vin?

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Old September 27th, 2020, 08:58 PM
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1971 cutlass sx 442 vin?

Hello, my first time on any forum so upfront I apologize for anything misspelled or wrongly done. So I just bought a 71 442 and found the build sheet whitch shows a L32 455.
I be leave this may be a sx because I found all the sx trim in the car and all holes drilled on car are for sx.
what is extreamly strange is my car has the rounded rear fenders like the (s) model and the sx only came in the supreme body.
also strange that my vin starts with a 344 whitch would indicate a 442.
can I get some help. I have the intire build sheet.
feel free to send me a message to sscottdeck@gmail.com

wow I sure apreciate your guy's response so quick.
here are some pics of car as requested.


no sheet metal has been replaced. Car was owned by same guy for 40 plus years. All I can figure is somone wanted to make it look like as sx because both front fenders, doors, and quarters are all drilled for the moldings.

Last edited by Sscott; September 28th, 2020 at 05:41 AM.
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Old September 27th, 2020, 09:08 PM
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If your VIN starts with 344, then your car is a 442. Could be that someone used a SX as a parts car to rebuild the 442.

Also note that your trans code is OG, the trans in a 71 SX would be OD.

Can you post pics of your car

Last edited by 70W-32; September 27th, 2020 at 09:13 PM.
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Old September 27th, 2020, 09:41 PM
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Welcome aboard Scott, here is your build sheet rotated.



In addition to what 70W-32 said.

L33 is engine code for SX not L32, and the code for SX option is Y79 which is not on the build sheet.

P.S. if you can please take pic of build sheet without flash, difficult to read left side as is.

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Old September 28th, 2020, 05:00 AM
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I enlarged the image further for better viewing. Fremont Build - 344871Z



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Old September 28th, 2020, 11:44 AM
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Originally Posted by Sscott
no sheet metal has been replaced. Car was owned by same guy for 40 plus years
Unless he was original owner or knows the car back to day one, you have to take that claim with a grain of salt. I think the car either suffered a front end hit early in life or fenders were replaced due to rust. 44 in VIN indicates 442 and SX were built only as a 4200 Supreme.

But don't let this keep you from enjoying your car.

Last edited by rocketraider; September 28th, 2020 at 11:51 AM.
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Old September 28th, 2020, 11:47 AM
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Originally Posted by Vintage Chief
I enlarged the image further for better viewing. Fremont Build - 344871Z


Even Fremont wouldn't have built something that differently!😃

Seems like all SX were Lansing builds?🤔 I'm not 100% sure.

Last edited by rocketraider; September 28th, 2020 at 11:50 AM.
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Old September 28th, 2020, 01:31 PM
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Originally Posted by rocketraider
Unless he was original owner or knows the car back to day one, you have to take that claim with a grain of salt. I think the car either suffered a front end hit early in life or fenders were replaced due to rust. 44 in VIN indicates 442 and SX were built only as a 4200 Supreme.

But don't let this keep you from enjoying your car.
I've had many classics and this thing is original through out but they must have drilled holes. Original door sticker in jam. Anyhow I do realize now its definitely a 442 and a 68 blue printed and balanced motor. isent a bad year 455 to have. I have alot of the original intake and carb if anyone is in need. Also have the sx parts
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Old September 28th, 2020, 01:48 PM
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Hey Scott, are you sure it is SX trim, any pictures of the trim? I ask because some of the side trim uses studs welded to the body to hold the clips that hold the trim. I don’t see any studs in your pictures. A short self tapping screw can do the same thing but that would obviously have been added later and not factory installed. I could be interested in some of the extra parts. Where are you located? Thanks.
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Old September 28th, 2020, 02:26 PM
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Originally Posted by Sscott
I've had many classics and this thing is original through out but they must have drilled holes. Original door sticker in jam. Anyhow I do realize now its definitely a 442 and a 68 blue printed and balanced motor. isent a bad year 455 to have. I have alot of the original intake and carb if anyone is in need. Also have the sx parts
I don't think 442 engines were "blueprinted." What, if any, extra machining occurred in Lansing was done on the W-30 and W-31 engines.
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Old September 28th, 2020, 04:27 PM
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Originally Posted by rocketraider

Seems like all SX were Lansing builds?🤔 I'm not 100% sure.
SX's were built at any plant that made Supremes, and SX W32 cars could be assembled at any plant that made Supremes and 442s
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Old September 28th, 2020, 10:27 PM
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Originally Posted by 4speed455
Hey Scott, are you sure it is SX trim, any pictures of the trim? I ask because some of the side trim uses studs welded to the body to hold the clips that hold the trim. I don’t see any studs in your pictures. A short self tapping screw can do the same thing but that would obviously have been added later and not factory installed. I could be interested in some of the extra parts. Where are you located? Thanks.
Parts are located in Bakersfield, I'm also going to let go some 442 original equipment.
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Old September 29th, 2020, 11:41 AM
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Originally Posted by Sscott
Parts are located in Bakersfield, I'm also going to let go some 442 original equipment.
Post up what you have in the parts for sale section..
Adding pictures always helps
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