Matching numbers question for you fellas - Chevelle Tech
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post #1 of 5 (permalink) Old May 11th, 05, 7:06 PM Thread Starter
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Big G
 
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Cool Matching numbers question for you fellas

If a person has a matching number car like a 70 ss and the build date on the build sheet is October 1, 1969 will the block be stamped the day that the engine goes in the car? Or does the engine get stamped at the engine building plant, say Tonawanda then the workers put it in the car. Is it possible to have the code on the front stamp pad say, T1001CTW if the car was built the say day or does the engine have a lead time on the build date.
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post #2 of 5 (permalink) Old May 11th, 05, 7:49 PM
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Tony
 
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Re: Matching numbers question for you fellas

Quote:
Originally Posted by gab712
If a person has a matching number car like a 70 ss and the build date on the build sheet is October 1, 1969 will the block be stamped the day that the engine goes in the car? Or does the engine get stamped at the engine building plant, say Tonawanda then the workers put it in the car. Is it possible to have the code on the front stamp pad say, T1001CTW if the car was built the say day or does the engine have a lead time on the build date.
I am not sure on when the build sheet was dated, but the engine was dated when assembled at the Tonawanda factory (in your example, the T1001CTW), and the "VIN deriviative" (example 0A123456) would be stamped at the assembly plant, which is why the fonts usually differ...

Also, the date on the cowl tag (example "10A"), would that be when the tag was made? How long from tag/buildsheet creation until final assembly was complete (typical) or even until the engine was stamped/installed?


How often would engines get shipped to various plants? How long would it take for an engine to be built/inspected/loaded up/shipped to the assembly plant/unloaded, not to mention there were probably other engines already in the que at the assembly plant? If the engines were going from NY to Fremont Cali, then I'd think at least 2 days transit on a train, maybe more... How long did it take to cycle through the typical engine supply? I think a week would be more than reasonable...

Once you go RAT, you never go back...
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post #3 of 5 (permalink) Old May 12th, 05, 1:48 AM
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Dale
 
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Re: Matching numbers question for you fellas

Although it's about the Camaro assembly process, the same would generally be true of Chevelles. See Camaros.org for a short story on the general assembly process.

Looking at some 70 POPs I have, the engine could be assembled in Tonawanda and be installed in the car anywhere from a few days to normally not more than 2 or 3 weeks.

I do have one Baltimore POP showing Sept 16 engine stamping, Sept 19 rear end, Feb 8 trans, and final assembly in March.

Also have a Los Angeles POP showing Oct 20 engine, Oct 17 rear end, Jan 27 trans, and final assembly in March.

That's 6 and 5 months - nothing surprises me anymore about some of these cars.

TC Gold #92 ~ August 1998
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post #4 of 5 (permalink) Old May 12th, 05, 8:26 AM
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Mike Crown
 
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Re: Matching numbers question for you fellas

In the FWIW section... my engine is stamped 1208 Trans is stamped 1207 and Rear is stamped 1207


TRIM TAG shows the car built 4th week DEC. Fremont.


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post #5 of 5 (permalink) Old May 12th, 05, 9:19 AM
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Mike
 
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Re: Matching numbers question for you fellas

Tonawanda and Flint V-8 each made around 5500 engines per day (2 shifts)(one every twelve seconds), trains rolled out daily to various assemby plants. At Flint Engine, at 170-180 per hour (Line #1) and 110-120 per hour (Line #2).

The separate holders for all suffixes scheduled to be built that day were set up at the beginning of the day shift by the utilityman, and each one was placed in a wooden "pigeonhole" rack at the stamp station, after the heads went on (except for Tonawanda BB's - they were stamped before the heads went on due to holder interference with the plug in the front of the head

Also heep in mind, car production was scheduled when components were in inventory.

Last edited by elcamino; May 12th, 05 at 5:59 PM.
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