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Old 01-28-2007, 09:55 PM   #1
TEP061
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Default right casting number for a 1961 and....

The block is stamped 1001C is this corect?
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Old 01-28-2007, 10:05 PM   #2
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anyone knows what that is? Im so lost with this. I need to sit down and talk to someone about the dates of blocks heads ect...
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Old 01-28-2007, 10:10 PM   #3
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I`m not a numbers freak but I believe there is more letters and numbers necessary but in what year I dont know. However being a 61 there may be some special reason for yours. I have no knowledge when block stamping began. What always made sense to me is HP, I didn`t give a damn for the number of the engine. Hell I wasn`t keeping score.
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Old 01-28-2007, 10:12 PM   #4
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sorry its f1001c the engine block casting is 3756519
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Old 01-28-2007, 10:21 PM   #5
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Looks correct, but should be followed by another letter. Some passenger cars only had one letter. What is the casting date?
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Old 01-28-2007, 10:23 PM   #6
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your saying there should be something after the C?
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Old 01-28-2007, 10:40 PM   #7
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In the code F1001, the F is June, the 10 is the day of the month, and the 01 is the single digit of the calendar year so it translates to June 10, [6]1. The Saginaw engine plant used the single digit code for the year whereas the Tonawanda plant used the proper two digits for the year. Not sure what the final C may mean. I'm sure someone else here can help.
The 3756519 is a correct number for a 283 manufactured mid "58 through late "61.

Last edited by dkleather; 01-28-2007 at 10:43 PM. Reason: added information
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Old 01-28-2007, 11:30 PM   #8
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Thanks That single C has me...
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Old 01-29-2007, 02:04 AM   #9
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Looks like casting number is right for 58-62 but "C" suffix indicates Low horsepower car application.

A 61 Corvette Engine stamped number should look more like this:
10867S1xxxxx plus two suffix letters,
First "1" digit is year (61)
"08" 2nd and third digit indicate Corvette
"67" code for 2 door convertible
"S" for St Louis assembly plant
followed by six digit serial number of which the first digit is always "1"
This is followed by two suffix letters indicating horsepower transmission combination.
Example: 10867S100920CS
1961 Corvette serial number 920 315 Horsepower manual transmission.
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Old 01-29-2007, 09:05 AM   #10
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Why would this number be so different F1001c than what you show? could it be from a passanger car?
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Old 01-29-2007, 03:42 PM   #11
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Quote:
Originally Posted by K2 View Post
Looks like casting number is right for 58-62 but "C" suffix indicates Low horsepower car application.

A 61 Corvette Engine stamped number should look more like this:
10867S1xxxxx plus two suffix letters,
First "1" digit is year (61)
"08" 2nd and third digit indicate Corvette
"67" code for 2 door convertible
"S" for St Louis assembly plant
followed by six digit serial number of which the first digit is always "1"
This is followed by two suffix letters indicating horsepower transmission combination.
Example: 10867S100920CS
1961 Corvette serial number 920 315 Horsepower manual transmission.
Nope. Only a first digit for the model year and the last six digits of the car's VIN appear on the stamp pad; would be 1xxxxxx, like the 2xxxxxx in the '62 pad photo below.

The engine plant stamp (F1001C) indicates the build date, October 1st; there is no indication of the year in the engine plant stamp - that has to come from the block casting date. The "C" suffix indicates that it was originally a 2-barrel 283 from a full-size passenger car; all Corvette applications had a 2-digit suffix code.
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Old 01-29-2007, 09:04 PM   #12
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Quote:
Originally Posted by JohnZ View Post
Nope. Only a first digit for the model year and the last six digits of the car's VIN appear on the stamp pad; would be 1xxxxxx, like the 2xxxxxx in the '62 pad photo below.

The engine plant stamp (F1001C) indicates the build date, October 1st; there is no indication of the year in the engine plant stamp - that has to come from the block casting date. The "C" suffix indicates that it was originally a 2-barrel 283 from a full-size passenger car; all Corvette applications had a 2-digit suffix code.
I stand corrected John- I confused it with the vin number.
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Old 01-29-2007, 10:34 PM   #13
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you guys save me from buying a lot of junk, Thanks so much.
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Old 01-29-2007, 10:34 PM
 
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