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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Apr 2010 Posts: 283 Shop Shark | | Shop Shark Joined: Apr 2010 Posts: 283 | I calculate displacement bythe formula :
bore x bore x .7854 x stroke x number of cylinders .
figure area of cylinder ( bore x bore x .7854 ), then cylinder volume in cubic inches (area x stroke), this multiplyed by number of cylinders gives the engine displacement.
there is an alternate formula to calculate area of cylinder (circle).
Bob Taylor
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