What year motor?

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SGBARRACUDA

ROY
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I listed a 273 on parts for sell section. My question is how can I tell what year the engine is? It doesn't have the ci. in and production date numbers like the 318,340 or 360's. How can I find out the year?
 
What is the formula for running the numbers on the side of the block,the numbers are 4006630-360-5 ,I know that it is a 360 but what year We just picked up a complete engine and trans for $200.00 here in Calif.
 
Hey, I've got a similar annoying question,

The stamp on my block reads 4M318 0908 0694. The 4 should mean that it's a 1974 block, but according to HP books', "Small-Block Mopar Engines," the date code ( 0908 ) would be pre-65. What's going on here???
 
4M318 0908 0694 =

4 = 74
M = Mound Road Assembly Plant
318 CI

0908 = Date Day/Month
0694 = Block # built

http://www.yearone.com/updatedsinglepages/Id_info/mopar/mopar casting numbers/castingnumbers4.html

yearcodes.jpg


assemblycds.jpg
 
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