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need help with 1971 stingray

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Old Nov 9, 2012 | 06:46 AM
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Hello, All,

Just signed up tonight and could you use some help - I have a 1971 Stingray -454 - convertible. I owned the vehicle since July 2000 - this is the vin # 194671S116091 (which is within the vin numbers for the 1971 production with the 4th digit being a 6 indicating it is a convert) the numbers stamped on the engine are T0319CPH with a bit smaller number listed (again, stamped) C11S116091 On the door the tag number is 130 - trim 412 and paint 979

OK - I get that it was built in T town on March 19 and the trim and paint are blue my question is what does the 130 on door tag stand for (I read that because of the strike sometimes a letter wasn't used but a number for the month)? Also the smaller number matches the vin from "1S116091" but what does the C1 stand for.

I have read that there was a strike so some of the engine numbers had a "alpha C" in them for the 1971 year but have no clue what that means - does the engine match the vehicle? I was told 12 years ago that it did but never thought to check this out.
Full numbers stamped are T0319CPH and C11S116091 (fig to edit to include these)
Any and all help is greatly appreciate!

Christa

Last edited by Christa; Nov 9, 2012 at 07:00 AM.
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Old Nov 9, 2012 | 07:01 AM
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I'm not into originallity with regard to numbers matching, all that much. So I can't help you. I'll bet though, that within 30 min. you'll have a detailed answer. You might send Alan71 a message, I'd bet he has your answers.
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Old Nov 9, 2012 | 07:22 AM
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Originally Posted by Christa
Hello, All,

Just signed up tonight and could you use some help - I have a 1971 Stingray -454 - convertible. I owned the vehicle since July 2000 - this is the vin # 194671S116091 (which is within the vin numbers for the 1971 production with the 4th digit being a 6 indicating it is a convert) the numbers stamped on the engine are T0319CPH *engine type and HP rating with a bit smaller number listed (again, stamped) C11S116091 *matching engine On the door the tag number is 130 *seat material ??? - trim 412 and paint 979



Christa
...

Last edited by Tim H; Nov 9, 2012 at 07:26 AM.
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Old Nov 9, 2012 | 07:36 AM
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Hi Christa,
I believe that the 'C' indicates 'Chevrolet', and the '1' indicates 'Chevrolet Car Line'.
I also believe the mixed use of I and 1 applies to the engine stamps not the trim tag infomation.
How sure are you that you're seeing a 1 and not an I? The info I have indicates the last car produced in April was 15983.
It would seem the trim tag went on your car in April and the car left the line a day or two later, which was normal.
Regards,
Alan

Last edited by Alan 71; Nov 9, 2012 at 08:14 AM.
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Old Nov 9, 2012 | 08:55 AM
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Originally Posted by Christa
...vin # 194671S116091...
Correct VIN for a 71 convertible.

...T0319CPH...
T Tonawanda, New York engine assembly plant. All Corvette big blocks came from Tonawanda.

0319 March 19th. Date the engine was assembled at Tonawanda. This date must be prior to the assembly date of your Corvette.

CPH engine suffix identification code for a 454 365hp with 4 speed

C11S116091 VIN derivitive stamp indicating the vehicle the engine was originally installed in.

130 I30 alpha I time/build date month and day for April 30th, 1971. Your Corvette passed the station on the assembly line where the trim tag was attached on April 30th. Your engine had been assembled about two weeks earlier and shipped to St. Louis.

trim 412 code for dark blue vinyl interor

paint 979 code for Bridgehampton Blue

Your car appears to be original.

Congratulations.

Originally Posted by Alan 71
...the 'C' indicates 'Chevrolet', and the '1' indicates 'Chevrolet Car Line'...
Yep. 71 model year only.


Last edited by Easy Mike; Nov 9, 2012 at 03:01 PM.
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Old Nov 9, 2012 | 10:28 AM
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Welcome to the "club".

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Old Nov 9, 2012 | 01:46 PM
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pics??
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Old Nov 9, 2012 | 06:01 PM
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Thank you very much for the help - I have photos but can't figure out how to up load them (computers it is a love hate thing)

A couple of more questions - why is the 1971 the only year that chevrolet used a "C" for Chevrolet and "1" for the line?

I was also told that the vette engines were made at the Flint Michigan plant and no vette engines were made at Tonawanda, only truck engines - I see from above that the big blocks were all made at Tonawanda - I might be a little slow here but how do you guys know this?
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Old Nov 9, 2012 | 07:23 PM
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Everyone here is a certified genius! It's one of the requirements. Google helps too.
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Old Nov 10, 2012 | 10:44 AM
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Originally Posted by Christa
...why is the 1971 the only year that chevrolet used a "C" for Chevrolet and "1" for the line?...
You'll have to ask Chevrolet why they decided to experiment with the C1 thing only for the 71 model year. The NCRS Judging Guide explains it and says it began to be used as early as September 2, 1970. I have always considered the strike had something to do with the change in format, but that is only my hunch.

...I was also told that the vette engines were made at the Flint Michigan plant...
All Corvette small blocks were assembled at Flint.

...and no vette engines were made at Tonawanda, only truck engines...
The Tonawanda facility built truck engines. They also assembled all Corvette big block engines.

How do we know? We read the printed reference material. There are tons of it. If I were King, I would require every Corvette owner to have a personal reference library for his/her model year - at the least - and all Corvettes in general at the most.


Last edited by Easy Mike; Nov 10, 2012 at 10:50 AM.
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Old Nov 10, 2012 | 03:23 PM
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Thank you very much!

Did all 1971 have this "C1" thing or just certain ones? Any idea on a place to go to read about that? I checked the NCRS online but had no luck.
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Old Nov 10, 2012 | 05:22 PM
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Hi Crista,
The NCRS 70-72 TECHNICAL INFORMATION MANUAL AND JUDGING GUIDE has information in it's Mechanical Section regarding the engine's source, it's assembly date, the suffix codes, and the VIN derivative.
There are sections for the Exterior, Interior, Mechanical, and Chassis in the Manual.
If you're interested in knowing about, and determining the degree of originality of your car, the TIM&JG is hard to beat.
There has been so much interest in Corvettes, and for so many years, that there is now a tremendous amount of information readily available.
Regards,
Alan
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Old Nov 11, 2012 | 11:54 AM
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Originally Posted by Christa
...Did all 1971 have this "C1" thing or just certain ones?...
Not quite all. Early cars (August through about mid September) used the old standard VIN stamp formula. The C11 format came later.

The strike began September 15th and continued through close to Thanksgiving. There were no cars assembled in October. The C11 format was definitely in use by December.

...Any idea on a place to go to read about that?...
You'll love it. Order a copy from the NCRS Store.


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