NUMBERS (Part 2 of 4)
Engine block
Casting number 3932386
Casting date I268 (I=September, 26=day of month, 8=1968, [assuming a straight line I, not the number 1])
Stamp pad V0928WK
V = source plant, Flint, MI
0928 = (09=September, 28=day of month)
WK = 1969 350 tur hydro - 255 4 C-10 to 35
Engine Ref: :
http://www.nastyz28.com/chevy-engine-code-stampings.php
Transmission nameplate
70M556 (556 = July 10, 1970 )
70-CM-6134 (dunno what 6134 is, serial or part number maybe)
Turbo Hydra-matic 400, 1970, Series 30 mobilehome chassis, w/307 motor ( hmm, this doesn’t look original at all )
Transmission Ref:
http://books.google.com/books?id=JJI...page&q&f=false Page 13
http://novaresource.org/trans.htm
Rear end
Casting No. 3934635
ID No. JU 0928 G2
JU = 1969 Series 20-G20 4.10 ratio (no Positraction)
09 = September
28 = day of month
G2 = Gear and Axle Plant, 2nd shift
There is also a stamped letter B (two places) and 99 on the housing of whose meaning I know not (inspection stamps if I had to guess).
Rear End Ref: p. 85 Chevrolet Truck Parts Catalog for 1946-1972 Series 10-30, September 1972