Vintage Cars: 1969 chevell ss engine block numbers, chevell ss, 1969 chevell

Question
Ron:
 TO33IJA (the "I" could be a 1 - i dunno) 19B371787 are the engine block numbers on my cousin's
ss 396 engine. will you please tell me what they mean?
and the vin number is 136379A326645. will you tell me what this means?

Thank you for you time and help Ron.

Peace.

Answer
T -Tonawanda,
0331 - march 31st
JA -1969 Chevelle 396 325 manual tranny


1ST DIGIT: Identifies the Chevrolet division
1 Chevrolet
2ND DIGIT: Indicates series
3 Chevelle, Malibu
3RD DIGIT: Indicates engine
Odd number 4 or 6 cylinder
Even number 8 cylinder
4TH & 5TH DIGITS: Indicates body style
36 4 door Station wagon/2 seat/dual acting tailgate
37 2 door notch back- hardtop coupe
46 4 door notch back - hardtop (4 window) sedan 39
4 door Station wagon/3 seat/dual acting tailgate
47 2 door notch back - hardtop coupe
57 2 door notch back - hardtop coupe
67 2 door Convertible coupe
69 4 door Notch Back - pillar (4 window) sedan
87 2 door Plain Back - hardtop coupe
6TH DIGIT: Indicates the model year
0 1970
1 1971
2 1972
4 1964
5 1965
6 1966
7 1967
8 1968
9 1969
7TH DIGIT: Indicates the assembly plant
A Atlanta, GA
B Baltimore, MD
C Southgate, CA
F Flint, MI
G Framingham, MA
J Janesville, WI
K Kansas City, MO
L Los Angeles, CA
N Norwood, OH
R Arlington, TX GMAD
S St. Louis, MO
T Tarrytown, NY
W Willow Run, MI
Y Wilmington, DE
REMAINING LAST SIX DIGITS: Indicates production sequence number starting with 100,000.