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Afternoon everyone, just purchased a 66, 396 SS 360 HP Chevelle and trying to find out about the correct dates on my engine, heads, intake, exhaust & carb. I have a numbers matching engine but not sure about the heads, intake, exhaust and carb. I have the dates but not sure if they are correct for my engine. Any correct information would be greatly appreciated.
Joe from Connecticut
 

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Hey joe from Connecticut. I'm al from Connecticut lol
Google it Man . There are a myriad of resources out there .
Just gotta dig a little.
How about a few pictures of that 66 ??
 

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1967 Chevy Chevelle
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Here -
 

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1966 396 360HP
Casting numbers and casting dates would be useful. Also build date of car and type of transmission. Here are basics.
Engine block depending on assy date of engine: 3855961 or 3855962.
Heads: 3872702.
Intake: 3866948.
4160 Holley, auto trans: list 3420, with A.I.R. list 3608
4160 Holley, std trans: list 3419, with A.I.R. list 3609

Heads, block, intake are also cast in Tonowanda, and can have casting dates within days before the assembly date of the engine. A few days or weeks before being more normal.
 

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1969 Chevelle SS ZZ 502
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Afternoon everyone, just purchased a 66, 396 SS 360 HP Chevelle and trying to find out about the correct dates on my engine, heads, intake, exhaust & carb. I have a numbers matching engine but not sure about the heads, intake, exhaust and carb. I have the dates but not sure if they are correct for my engine. Any correct information would be greatly appreciated.
Joe from Connecticut
what is the last letters on the block number ? Is it ED
 

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