The strangest part is that there is no T1004IN for 1965 that I know of. The closest thing I can find for 1965 is:

 

T = Tonawanda

10 = October

04 = 4th

IX = 396CID,  375HP, 11:1 CR, w/ 4bbl & manual transmission.

 

I can’t find anything about any L's on the engine block.

 

HTH,

John Nasta

 

 

 

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of [EMAIL PROTECTED]
Sent: Saturday, January 04, 2003 3:08 PM
To: [EMAIL PROTECTED]
Subject: [Chevelle-List] Can one of you smart guys answer this? plz

 


Hi All,


     I sent this to the list yesterday, Does any of you have a guess as to what these letters pertain to:




Here is an email I received from someone else with this information for a 65 396
can someone decipher this. The info is as follows:

Something interesting we came across on the block was: the engine code
format T1004IN are 3/16" high as per normal. Next to them, where the vin code
format are normally located is 7 digits, instead of numbers are the letters
LLLLLLL (7 times) these letters are 5/32" high as per normal for vin #'s

intake date is 1-22-5
block date is 1-25-5
head date G-21-5 and F-15-5

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