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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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#68390 11/13/2006 1:41 AM | Joined: Feb 2005 Posts: 199 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2005 Posts: 199 | The casting number on the block should be 3738813 to be 261.Those 8's often times appear as 3's.
If in fact the number is 3738813 that would be correct for 1957 261.
The head number is 235 high compression.
Nice find!!!!!Hobert
"The Lord is my shepherd"
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