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Violating consensual reality
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Hello.
I've contacted a gentleman who has an engine for sale. We've emailed back and forth a little. He says there is a "Z" cast on the block and thinks it's something valuable so he won't budge on the price. No one he's talked to knows what it is. Does anyone know what this "Z" is all about?
Here is the info I have:

Block: 3782870 cast
T 07IOS stamped
Heads:3890462
Date?: K 22 6

He didn't say where but the Z is there. I'll see if I can get him to send some pics my way.

Strummin
 

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Dont know about the Z but the 2870 block was used from '62-'67 on everything from a 250 hp Impala to the 375 hp vette. I have 2 of them and they are NOT rare but they are an xlnt starting point.
 

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I found the single letter "S" code listed for 3 years under Impala. 62,63 & 64.
All were for 250HP 327 engines. That fits the block casting number correctly, but the head casting numbers would be wrong for a 250 HP 327 in those years. The casting date you give would be Oct or Nov 22, 1966. (depending if they used I for Sept or not)
A casting number from the engine block would narrow it down a lot.
JA
 
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