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Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2005 Posts: 1,971 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 1,971 | The casting code is on the left side of the distributor hole, right where the bellhousing meets the engine. The casting date will be on the opposite side.
It can be hard to see because of how close to the firewall it is. It usually is covered with dirt and grease too.
The pad on the front of the engine should be stamped with the assembly date. The first letter is a designator for the plant (F=Flint) | | |
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