C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Identify this engine

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Old Aug 15, 2018 | 09:04 AM
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Default Identify this engine

It was an engine swap and there's no prior owner info about when. It's supposed to be a 454. The only number on the block behind the alt is C83320131

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Old Aug 15, 2018 | 09:04 AM
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by https://www.flickr.com/photos/153250783@N04/, on Flickr
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Old Aug 16, 2018 | 01:22 PM
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The casting number off the block would be helpful to identify what motor you have. You should be able to find it on the driver side rear of the engine block.
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