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Old Apr 22, 2014 | 11:26 AM
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USMC1371
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From: Brook Park
Default Engine clarification

I bought a corvette with 3970010 number on rear of block and V0823CLA on the front of block.What do I have? How do I tell if it is original engine?
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Old Apr 22, 2014 | 11:48 AM
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Mike Ward
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If that's all that on the pad it's not the original.

You might get more help if you tell us what year car and engine option you have.
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Old Apr 22, 2014 | 12:03 PM
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From: Brook Park
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It is a 1973 Corvette Stingray Coupe.
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Old Apr 22, 2014 | 12:05 PM
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Hi U,
The CLA suffix code was used on 73, 74 and 77 Corvette engines.
The VIN derivitive stamp will tell you what car it was installed in at St.Louis. The numbers should match the VIN plate on the driver's side windshield post… viewed through the windshield.
Regards,
Alan

Not much useful information on you profile page.
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Old Apr 22, 2014 | 01:03 PM
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Originally Posted by USMC1371
...V0823CLA on the front of block.
There should be a second stamp to the side of the V0823CLA. It will be the VIN derivitive of the car the engine was originally installed in. Hopefully, it will match our VIN. Look for 13S4xxxxx.

CLA is a valid code for a 73 L-48 base engine car with auto trans.

010 blocks are very common 350s.

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