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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: Feb 2006 Posts: 5 Junior Member | | Junior Member Joined: Feb 2006 Posts: 5 | I have a 1939 JC Pick up truck. My title and vin states it was built in Dec.1938. The casting on my block 838710 crosses out to a 1938 block. The serial number located on the milled surfaced next to the distributer is I577549. I am unable to cross-reference the I577549 to find out this information. Does anyone know if the I in front of the number represents a number, letter, or a roman numeral? Does anyone know if this is the right motor for my truck? Does anyone know or have any web links that would be helpful in locating the answer to my question? | | | | | Joined: Jan 2005 Posts: 1,682 Extreme Gabster | | Extreme Gabster Joined: Jan 2005 Posts: 1,682 | Provided we're talking about a 216 I6 engine, which I assume we are because your block casting number matches a 216 I6.. 1187822 to 1915446 corresponds to a 1938 engine. So a 1577549 (thats a ONE not an 'eye') would fit in the '38 range according to the inliners.org website
an idea is only stupid if you think about it rationally.
| | | | | Joined: Dec 2004 Posts: 452 Member | | Member Joined: Dec 2004 Posts: 452 | Also, no prefix in front of a '38 engine number means it was a passenger car engine built at Flint.
Curt
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1953 Chevy 6400, 1957 Chevy 2dr Sedan
--"Mediocrity is easy, the good things take time"
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